SIST ES 283 018 V2.3.1:2009
Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) - Resource and Admission Control: H.248 Profile for controlling Border Gateway Functions (BGF) in the Resource and Admission Control Subsystem (RACS) - Protocol specification
- Abstract
The present document defines a profile of the Gateway Control Protocol (H.248.1) to be used for controlling Border Gateway Functions (BGF), as defined in ES 282 003 [3].
- Status
- Published
- Publication Date
- 05-Feb-2009
- Technical Committee
- SPN - Services and Protocols for Networks
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 13-Jan-2009
- Due Date
- 20-Mar-2009
- Completion Date
- 06-Feb-2009
Buy Documents
ETSI ES 283 018 V2.3.1 (2008-06) - Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Resource and Admission Control: H.248 Profile for controlling Border Gateway Functions (BGF) in the Resource and Admission Control Subsystem (RACS); Protocol specification
SIST ES 283 018 V2.3.1:2009 is the Slovenian standard identical to ETSI ES 283 018 V2.3.1. It specifies an H.248.1 profile for controlling Border Gateway Functions (BGF) in the Resource and Admission Control Subsystem (RACS), at the Ia reference point between the Service Policy Decision Function (SPDF) and the BGF. It is intended for implementers of NGN/TISPAN control, media gateway, and policy systems that need a common protocol profile for gateway admission and resource control.
What does SIST ES 283 018 V2.3.1:2009 specify?
SIST ES 283 018 V2.3.1:2009 defines how the Gateway Control Protocol (H.248.1) is profiled for BGF control. The scope ties the profile to the BGF role defined in ES 282 003 and to the Ia reference point used by the SPDF to request services from the BGF.
The document is organized from architecture and profile description into detailed command procedures and then informative annexes. The main body covers applicability, termination naming, descriptors, commands, transport, security, packages, SDP usage, session-dependent procedures, non-session-related use cases, and session-independent procedures.
| Annex | What it covers |
|---|---|
| Annex A | General explanation of the point-to-point session model and the relationship between gates and H.248 streams |
| Annex B | Comparison between ES 283 018 V1.1.4 and TS 102 333 |
| Annex C | Differences between ES 283 018 V1.1.4 and the present profile version |
| Annex D | Example IP processing model for an H.248 (IP, IP) context |
| Annex E | Guidelines for Ia-to-Gq' mapping |
What are the key requirements of SIST ES 283 018 V2.3.1:2009?
The profile fixes the H.248 control model, the termination naming scheme, and the package set that the BGF and SPDF use on the Ia interface. In practice, this tells an implementer how to create terminations, which messages are allowed, what transport to use, and which control functions the BGF must expose.
Control model and context rules
The profile uses ITU-T Recommendation H.248.1 Version 3. Version 3 is required because the profile may use stream statistics.
The connection model is point-to-point: the maximum number of terminations per context is 2, and the allowed termination type combination is (IP,IP). This matters because the implementation is built around a simple IP-to-IP media path rather than multipoint mixing.
Context attributes are tightly constrained. Priority Indicator is supported with values 0 to 15, and Emergency Indicator is supported as ON/OFF. Topology, IEPS Indicator, ContextAttribute Descriptor, ContextIdList Parameter, and AND/OR Context Attribute are not used in this profile.
Terminations and naming
The IP Termination name is structured as ip/<group>/<interface>/<id>. The Group field is an integer from 0 to 255, the Interface field is a string of up to 51 alphanumeric characters, and the Id is a non-zero 32-bit integer.
This naming structure supports wildcarding and operational grouping. The document explains both strict and partial relationships between group and interface, which affects how the MGC can issue wildcarded audit or ServiceChange commands when hardware failures or selective audits occur. For the reader, that means termination numbering is not just a label - it is part of the operational control model.
The profile also states that the CHOOSE wildcard for Id must be used in ADD.request, while the MG manages the usable Id range. That is important when allocating termination identifiers automatically.
Commands, descriptors, and transaction limits
The profile supports the core H.248 commands used for gateway control: Add, AuditValue, Modify, Notify, ServiceChange, and Subtract. Table 35 also shows which commands can target IP and ROOT terminations and where wildcarding is allowed.
Transactions are small and bounded. The profile allows only one transaction request/reply/response-ack/segment reply per message, and at most 2 commands per transaction request and 2 per transaction reply. AuditValue may be marked optional, and Subtract may be wildcarded. In practice, this keeps control messages simple and predictable.
The command tables also show which descriptors appear in requests and replies. The profile uses H.248 descriptors such as Local, Remote, Stream, Media, Statistics, Events, ObservedEvents, ServiceChange, and Error, while several audit combinations are restricted by the profile rules.
Transport, monitoring, and security
SCTP is the recommended transport and UDP is optional. Segmentation is inherent in SCTP, while UDP segmentation is optional and depends on the Segmentation package. Control association monitoring is also transport-dependent: SCTP provides it inherently, while UDP relies on H.248.14 or an empty AuditValue on ROOT.
Table 66 lists Security as none. That is a direct profile statement and means the H.248 profile itself does not define security services.
Packages and functional behavior
The profile includes mandatory and optional H.248 packages, and the SPDF may use package audit to discover which optional packages the BGF supports. The package set includes, among others, gate management, traffic management, IP NAPT traversal, MPLS, VLAN, MGC information, inactivity, segmentation, RTP, application data inactivity detection, IP domain connection, media gateway overload control, hanging termination detection, and statistic conditional reporting.
These packages carry the practical behavior of the profile: gate opening and closing, NAT traversal, QoS marking, resource reservation, policing, statistics, inactivity detection, overload handling, and recovery behavior. For implementers, the package list is the checklist for feature support.
SDP usage
The profile also constrains SDP usage. It requires specific handling of the protocol version line, connection line, and bandwidth line. The bandwidth value uses the AS modifier and represents the IP-layer bandwidth for the H.248 stream; for RTP flows, the bandwidth can include both RTP and RTCP when the RTP-specific behavior of the Gate Management package is used.
The profile gives guidance for optional SDP elements such as origin, session name, and timing, and it notes that Annex C information elements are not required in H.248 text encoding mode. This matters when building interoperable encoders and decoders.
Operational procedures
The profile defines session-dependent procedures for common gateway tasks: adding terminations, establishing sessions, updating media, changing bandwidth, deleting streams, auditing statistics, and reporting events such as IP media stop, hanging termination, and statistic conditional reporting.
It also defines session-independent procedures for registration, restoration, enabling and disabling MGs, failover, overload notification, handoff, and control-association recovery. In practice, these clauses tell the MGC and MG how to behave during startup, shutdown, failure, and recovery, not only during normal call setup.
What terms does SIST ES 283 018 V2.3.1:2009 define?
BGF - Border Gateway Function; a packet-to-packet gateway for user plane media traffic that performs policy enforcement and NA(P)T functions under SPDF control.
SPDF - Service Policy Decision Function; the controller that interacts with the BGF on the Ia reference point.
RACS - Resource and Admission Control Subsystem; the control framework in which the BGF is managed.
GATE - A transport-plane function that enables or disables unidirectional IP packet forwarding under specified conditions, such as QoS.
MGC - Media Gateway Controller; the control entity that sends H.248 commands to the MG/BGF role in this profile.
MG - Media Gateway; in this profile, the BGF has the H.248 MG role.
NAPT-PT - NAPT and Protocol Translation; the profile uses it for IP address/port translation and IPv4/IPv6 interworking.
CoAC - Context Admission Control; the admission-control decision at the context level in the MG side of the profile.
Who uses SIST ES 283 018 V2.3.1:2009?
The profile is used by vendors and integrators building H.248-controlled media gateways, border gateways, and policy control systems in TISPAN/NGN environments. It is also relevant to network operators and quality managers who need to configure or validate admission control, NAT traversal, QoS marking, bandwidth reservation, statistics reporting, and failure handling.
In practice, the main users are SPDF and BGF implementers, MGC and MG designers, and test teams verifying registration, session setup, mid-session updates, overload behavior, and recovery behavior.
What changed in SIST ES 283 018 V2.3.1:2009 from the previous edition?
Annex C states that the present document is the upversioned profile defined in ES 283 018 V1.1.4. The main changes listed there are:
- QoS monitoring is added through H.248 statistics.
- The termination ID structure is changed to
ip/<group>/<interface>/<id>, with the interface field separated from IP realm/domain indication. - Guidance is added for SDP
s=,t=, ando=lines. - The meaning of SDP
b=changes so that the bandwidth value defines IP-layer bandwidth for the H.248 stream. - The RTP package becomes optional in this profile version.
Which standards are used with SIST ES 283 018 V2.3.1:2009?
| Reference | What it contributes |
|---|---|
| ITU-T H.248.1 | Base Gateway Control Protocol, Version 3, used as the protocol foundation |
| ETSI ES 282 003 | Functional architecture of RACS and the BGF role referenced by the profile |
| ITU-T H.248.45 | MGC information package |
| ITU-T H.460.18 | Traversal of H.323 signalling across NATs and firewalls |
| IETF RFC 5234 | ABNF syntax notation used for text encoding rules |
| IETF RFC 3264 | Offer/Answer model with SDP |
| IETF RFC 2663 | NAT terminology and considerations |
| ITU-T H.248.54 | MPLS support package |
| ITU-T H.248.56 | Virtual private network support package |
| ITU-T H.248.40 | Application Data Inactivity Detection package |
| ITU-T H.248.14 | Inactivity timer package |
| ITU-T Q.3303.2 | H.248 alternative for the Rw interface |
| ITU-T H.248.11 | Media gateway overload control package |
| ITU-T H.248.41 | IP domain connection package |
| Draft ITU-T H.248.52 | QoS support packages |
| ETSI TS 102 333 | Informative comparison point for the earlier Gate Control Protocol |
| ETSI TR 183 025 | Background on non-call-related procedures and management interaction |
| IETF RFC 2327 | SDP reference used in the informative list |
| ETSI ES 282 001 | NGN functional architecture |
| ITU-T V.152 | Voice-band data support over IP networks |
| IETF RFC 4301 | IP security architecture, cited as an informative reference |
What does the SIST ES 283 018 V2.3.1:2009 document contain?
The document contains profile tables for identification, connection model, context attributes, termination naming, descriptor support, command support, transaction limits, transport, and security. It also contains package descriptions and package usage information, plus detailed message-sequence examples for add, update, delete, notify, audit, failover, and registration procedures.
The annexes add comparison tables, an IP flow processing model, and mapping guidance for Ia-to-Gq' signalling. For implementers, these annexes are useful when aligning the profile with related ETSI and ITU-T work, or when building conformance tests and operational procedures.
Buy Documents
ETSI ES 283 018 V2.3.1 (2008-06) - Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Resource and Admission Control: H.248 Profile for controlling Border Gateway Functions (BGF) in the Resource and Admission Control Subsystem (RACS); Protocol specification
Get Certified
Connect with accredited certification bodies for this standard
ANCE
Mexican certification and testing association.
Intertek Slovenia
Intertek testing, inspection, and certification services in Slovenia.
LNE (Laboratoire National de Métrologie et d'Essais)
French national laboratory for metrology and testing.
Sponsored listings
Frequently Asked Questions
SIST ES 283 018 V2.3.1:2009 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) - Resource and Admission Control: H.248 Profile for controlling Border Gateway Functions (BGF) in the Resource and Admission Control Subsystem (RACS) - Protocol specification". This standard covers: The present document defines a profile of the Gateway Control Protocol (H.248.1) to be used for controlling Border Gateway Functions (BGF), as defined in ES 282 003 [3].
The present document defines a profile of the Gateway Control Protocol (H.248.1) to be used for controlling Border Gateway Functions (BGF), as defined in ES 282 003 [3].
SIST ES 283 018 V2.3.1:2009 is classified under the following ICS (International Classification for Standards) categories: 33.040.01 - Telecommunication systems in general; 33.080 - Integrated Services Digital Network (ISDN). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST ES 283 018 V2.3.1:2009 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
ETSI Standard
Telecommunications and Internet converged Services and
Protocols for Advanced Networking (TISPAN);
Resource and Admission Control: H.248 Profile for controlling
Border Gateway Functions (BGF) in the Resource and
Admission Control Subsystem (RACS);
Protocol specification
2 ETSI ES 283 018 V2.3.1 (2008-06)
Reference
RES/TISPAN-03192-NGN-R2
Keywords
H.248, interface
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
Individual copies of the present document can be downloaded from:
http://www.etsi.org
The present document may be made available in more than one electronic version or in print. In any case of existing or
perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).
In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive
within ETSI Secretariat.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, please send your comment to one of the following services:
http://portal.etsi.org/chaircor/ETSI_support.asp
Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2008.
All rights reserved.
TM TM TM TM
DECT , PLUGTESTS , UMTS , TIPHON , the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered
for the benefit of its Members.
TM
3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners.
ETSI
3 ETSI ES 283 018 V2.3.1 (2008-06)
Contents
Intellectual Property Rights.8
Foreword.8
1 Scope.9
2 References.9
2.1 Normative references.9
2.2 Informative references.11
3 Definitions and abbreviations.11
3.1 Definitions.11
3.2 Abbreviations.13
4 Applicability.13
4.1 Architecture.13
5 Profile description .14
5.1 Profile identification.14
5.2 Summary.14
5.3 Gateway Control Protocol Version .15
5.4 Connection model.15
5.5 Context attributes.15
5.6 Terminations.15
5.6.1 Termination names.15
5.6.1.1 IP Termination.15
5.6.1.1.1 Overview and prose specification.15
5.6.1.1.2 Syntactical Specification.18
5.6.2 Multiplexed terminations.18
5.7 Descriptors.18
5.7.1 TerminationState descriptor.18
5.7.2 Stream descriptor.19
5.7.2.1 LocalControl descriptor.19
5.7.3 Events descriptor.19
5.7.4 EventBuffer descriptor.20
5.7.5 Signals descriptor.20
5.7.6 DigitMap descriptor.21
5.7.7 Statistics descriptor.21
5.7.8 ObservedEvents descriptor.21
5.7.9 Topology descriptor.21
5.7.10 Error descriptor.22
5.8 Command API.22
5.8.1 Add.23
5.8.2 Modify.23
5.8.3 Subtract.24
5.8.4 Move.24
5.8.5 AuditValue.24
5.8.6 AuditCapabilities .24
5.8.7 Notify.24
5.8.8 ServiceChange.24
5.8.9 Manipulating and auditing context attributes.25
5.9 Generic command syntax and encoding.25
5.10 Transactions.25
5.11 Messages.26
5.12 Transport.26
5.13 Security.27
5.14 Packages.27
5.14.1 Overview.28
5.14.2 Package usage information .29
ETSI
4 ETSI ES 283 018 V2.3.1 (2008-06)
5.14.2.1 Generic (g).29
5.14.2.2 Base root (root) .30
5.14.2.3 Network (nt).31
5.14.2.4 Differentiated Services (DS) .31
5.14.2.5 Gate Management (GM) .32
5.14.2.6 Traffic management (tman).33
5.14.2.7 IP NAPT Traversal (ipnapt) .33
5.14.2.8 MPLS (mpls).34
5.14.2.9 VLAN (vlan).34
5.14.2.10 MGC Information (mgcinfo).35
5.14.2.11 Inactivity (it).35
5.14.2.12 Segmentation (seg).36
5.14.2.13 RTP Package.37
5.14.2.14 Application Data Inactivity Detection (adid) .37
5.14.2.15 IP Domain Connection (ipdc) .38
5.14.2.16 Media Gateway Overload Control Package .38
5.14.2.17 Hanging Termination Detection (Hangterm) .39
5.14.2.18 Statistic Conditional Reporting (scr).39
5.15 Mandatory support of SDP and Annex C information elements .40
5.16 Optional support of SDP and Annex C information elements.41
5.17 Overview of Procedures .42
5.17.1 Overview of Session Dependent Procedures .42
5.17.1.1 Gate control.43
5.17.1.2 Allocation and translation of IP addresses, ports and versions (NAPT-PT) .44
5.17.1.3 Support of Hosted NAT Traversal .45
5.17.1.4 QoS marking.45
5.17.1.5 Bandwidth control - Reservation, Allocation and Policing.45
5.17.1.5.1 Admission Control.46
5.17.1.5.2 Traffic Descriptor.46
5.17.1.5.3 Bandwidth reservation and allocation .47
5.17.1.5.4 Bandwidth policing.47
5.17.1.5.5 Non-specification of tman properties .47
5.17.1.6 Usage metering and statistics reporting.47
5.17.1.6.1 Statistics for Media/Transport-agnostic IP packets .47
5.17.1.6.2 Traffic Volume related Statistics.47
5.17.1.7 RTCP Handling.48
5.17.1.7.1 RTCP Port Allocation.48
5.17.1.7.2 RTP/RTCP to-H.248 Stream Mapping.49
5.17.1.8 RTCP Forwarding .49
5.17.1.8.1 Conditions for RTCP packet policing.49
5.17.1.8.2 Forwarding of regular RTCP traffic .49
5.17.1.8.3 Handling of RTCP XR/HR traffic .49
5.17.1.9 Media Inactivity.49
5.17.1.10 IP Realm/Domain Indication.50
5.17.1.10.1 Codepoint and format/encoding .50
5.17.1.10.2 Unsuccessful indication.50
5.17.1.10.3 Fix assignment per termination lifetime .50
5.17.1.10.4 Number of IP Realms/Domains.50
5.17.1.11 Two-Stage BGF Resource Reservation.51
5.17.1.12 Hanging Termination Detection.51
5.17.1.13 Real Time Statistics Reporting.51
5.17.1.14 Transcoding.52
5.17.1.14.1 Media types and formats (Codecs) .52
5.17.1.14.2 Decision for transcoding.52
5.17.2 Overview of Session Independent Procedures.52
5.17.2.1 Introduction - Relation to TR 183 025.52
5.17.2.2 Session-independent procedures.52
5.17.2.3 MG Overload Control: Rate limitation of H.248 Messages from MGC-to-MG .52
5.18 Session Dependent Procedures (Command Level Details) .53
5.18.1 Add Termination.54
5.18.1.1 Add Termination - Remote Addr and Port Known, Select Local Addr and Port.54
5.18.1.1.1 Conditions for Address Policing: SAF, SPF, SAM, SPR, SPRR .56
ETSI
5 ETSI ES 283 018 V2.3.1 (2008-06)
5.18.1.1.2 Assigning IP Domain/Realm to Termination .57
5.18.1.1.3 Add Termination - Remote Addr and Port Known, Select Local Addr and Port - Examples.57
5.18.1.2 Add Termination - Select Local Addr and Port.59
5.18.1.2.1 Add Termination - Select Local Addr and Port - Examples.61
5.18.1.3 Add Termination - Remote Addr Known, Select Local Addr.62
5.18.1.3.1 Add Termination - Remote Addr Known, Select Local Addr - Examples .63
5.18.1.4 Add Termination - Select Local Addr.64
5.18.1.4.1 Add Termination - Select Local Addr - Examples .65
5.18.2 Session Establishment Update .65
5.18.2.1 Session Establishment Update - Remote Addr and Port Known.66
5.18.2.1.1 Session Establishment Update - Remote Addr and Port Known - Examples .67
5.18.2.2 Session Establishment Update - Remote Addr Known.69
5.18.2.2.1 Session Establishment Update - Remote Addr Known - Examples .70
5.18.2.3 Session Establishment Update - Through Connect .71
5.18.2.3.1 Session Establishment Update - Through Connect - Examples.72
5.18.2.4 Session Establishment Update - Select Local Port.73
5.18.2.4.1 Session Establishment Update - Select Local Port - Examples .75
5.18.2.5 Session Establishment Update - Bandwidth Change.76
5.18.2.5.1 Session Establishment Update - Bandwidth Change - Examples .78
5.18.3 Mid-Session Update.78
5.18.3.1 Mid-Session Update - Bandwidth Change .79
5.18.3.1.1 Mid-Session Update - Bandwidth Change - Examples.81
5.18.3.2 Mid-Session Update - Media Change .82
5.18.3.2.1 Mid-Session Update - Media Change - Examples.84
5.18.3.3 Mid-Session Update - Remote Port Change.85
5.18.3.3.1 Mid-Session Update - Remote Port Change - Examples .87
5.18.3.4 Mid-Session Update - Add Stream, Remote Addr and Port Known .88
5.18.3.4.1 Mid-Session Update - Add Stream, Remote Addr & Port Known - Examples .90
5.18.3.5 Mid-Session Update - Add Stream.91
5.18.3.5.1 Mid-Session Update - Add Stream - Examples .93
5.18.3.6 Mid-Session Update - Delete Stream.94
5.18.3.6.1 Mid-Session Update - Delete Stream - Examples .95
5.18.4 Auditing.98
5.18.4.1 Mid-Session Statistics Audit .98
5.18.4.1.1 Mid-Session Statistics Audit - Example .99
5.18.5 Notification of MG Events .100
5.18.5.1 Notification of IP Media Stop .100
5.18.5.2 Notification of Hanging Termination.101
5.18.5.3 Notification of Statistic Conditional Reporting.102
5.18.6 Delete Session/Termination.103
5.18.6.1 Delete Session/Termination.103
5.18.6.1.1 Delete Session/Termination - Examples.104
5.18.6.2 Delete Session/Termination - Wildcarded Reply.106
5.18.6.2.1 Delete Session - Wildcarded Reply - Examples .106
5.19 Non-Session Related Use Cases.106
5.19.1 Enable MG.107
5.19.1.1 Enable MG (at MGC).107
5.19.1.2 Enable MG (at MG) .107
5.19.1.2.1 Enable MG (at MG): Cold Boot .108
5.19.1.2.2 Enable MG (at MG): Warm Boot.109
5.19.2 Enable MGC.110
5.19.3 Disable MG (Graceful) .110
5.19.3.1 Disable MG (Graceful) (MGC).110
5.19.3.2 Disable MG (Graceful) (MG) .111
5.19.4 Disable MG (Immediate) .111
5.19.4.1 Disable MG (Immediate) (MGC).111
5.19.4.2 Disable MG (Immediate) (MG) .112
5.19.5 Disable MGC.112
5.19.6 Enable Termination.112
5.19.7 Disable Termination (Graceful).112
5.19.8 Disable Termination (Immediate).112
5.19.9 MG Failure and Recovery.113
ETSI
6 ETSI ES 283 018 V2.3.1 (2008-06)
5.19.10 MG Termination Failure and Recovery.113
5.19.11 MGC Failure and Recovery.113
5.19.12 User Plane Failure.114
5.19.13 MGC-MG Control Association Failure and Recovery .114
5.19.14 MG Overload.117
5.19.15 MGC Overload.117
5.19.16 MGC Hand-Off.117
5.19.17 MGC Re-Direct.118
5.19.18 MG Failover.118
5.20 Session Independent Procedures (Command Level Details).119
5.20.1 MG Initial Registration.120
5.20.2 MG Restoration.121
5.20.3 Packages Audit.121
5.20.4 Context Audit.122
5.20.5 MG Termination Available.123
5.20.6 MG Termination Unavailable.123
5.20.7 Audit Termination State.124
5.20.8 Set ROOT Termination Events/Properties.124
5.20.9 MGC Ordered Re-Register .125
5.20.10 Check MG Availability.125
5.20.11 MG OOS Graceful.126
5.20.12 MG OOS Immediate.126
5.20.13 MGC Hand-Off.127
5.20.14 MG Re-Register.128
5.20.15 MG Termination OOS Graceful .128
5.20.16 MGC Overload Notification .128
5.20.17 Registration Redirect.129
5.20.18 User Plane Failure.130
5.20.19 Check MGC Availability.130
5.20.20 Re-Establish Previous Control Association .131
5.20.21 MGC Failover - Establish New Control Association.131
5.20.22 MG Primary Failover.132
5.20.23 MG Overload Notification.133
5.20.24 MG Ordered Re-Register.133
5.20.25 Wildcarded Subtract.134
5.20.26 MG Secondary Failover.134
5.20.27 MGC Service Cancellation .134
5.20.28 Audit Service State .134
Annex A (informative): Illustration of Gate/Pinhole Concept .135
A.1 General.135
A.2 Relationships between gates and H.248 Streams .135
Annex B (informative): Comparison between ES 283 018 V1.1.4 (Ia Profile Version 1) and TS
102 333 (GCP) .136
B.1 General.136
B.2 Differences between TS 102 333 (GCP) and ES 283 018 V1.1.4 (Ia Profile Version 1).136
Annex C (informative): Comparison with Ia Profile Version 1 .137
C.1 General.137
C.2 Differences between ES 283 018 V1.1.4 (Ia Profile Version 1) and ES 283 018 V2.3.0 (Ia Profile
Version 2).137
Annex D (informative): Illustration of an IP processing model for an H.248 (IP, IP) Context.139
D.1 Example model.139
D.2 Aspects of filter interaction .141
D.2.1 Interaction between address latching and address policing .141
ETSI
7 ETSI ES 283 018 V2.3.1 (2008-06)
Annex E (informative): Guidelines for Ia-to-Gq' mapping .143
E.1 Guidelines for Ia-to-Gq' mapping with regards to session-independent procedures.143
E.1.1 Introduction.143
E.1.2 Mapping guidelines.143
E.1.2.1 Session-dependent procedures.143
E.1.2.2 Session-independent procedures.144
E.2 Guidelines for Ia-to-Gq' mapping with regards to bearer-specific events.144
E.2.1 Introduction.144
E.2.2 Mapping guidelines.145
E.2.2.1 Guidelines for Specific Action AVPs.145
E.2.2.2 Other AVPs.145
Annex F (informative): Bibliography.146
Annex G (informative): Change history .147
History .149
ETSI
8 ETSI ES 283 018 V2.3.1 (2008-06)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://webapp.etsi.org/IPR/home.asp).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This ETSI Standard (ES) has been produced by ETSI Technical Committee Telecommunications and Internet
converged Services and Protocols for Advanced Networking (TISPAN).
ETSI
9 ETSI ES 283 018 V2.3.1 (2008-06)
1 Scope
The present document defines a profile of the Gateway Control Protocol (H.248.1) to be used for controlling Border
Gateway Functions (BGF), as defined in ES 282 003 [3].
2 References
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• Non-specific reference may be made only to a complete document or a part thereof and only in the following
cases:
- if it is accepted that it will be possible to use all future changes of the referenced document for the
purposes of the referring document;
- for informative references.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
For online referenced documents, information sufficient to identify and locate the source shall be provided. Preferably,
the primary source of the referenced document should be cited, in order to ensure traceability. Furthermore, the
reference should, as far as possible, remain valid for the expected life of the document. The reference shall include the
method of access to the referenced document and the full network address, with the same punctuation and use of upper
case and lower case letters.
NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
2.1 Normative references
The following referenced documents are indispensable for the application of the present document. For dated
references, only the edition cited applies. For non-specific references, the latest edition of the referenced document
(including any amendments) applies.
[1] ITU-T Recommendation H.248.1 (2005): "Gateway control protocol: Version 3".
[2] Void.
[3] ETSI ES 282 003: "Telecommunications and Internet converged Services and Protocols for
Advanced Networking (TISPAN); Resource and Admission Control Sub-System (RACS):
Functional Architecture".
[4] ITU-T Recommendation H.248.45 (2006): "Gateway control protocol: MGC information
package".
[5] ITU-T Recommendation H.460.18: "Traversal of H.323 signalling across network address
translators and firewalls".
[6] IETF RFC 5234: "Augmented BNF for Syntax Specifications: ABNF".
[7] IETF RFC 3264: "An Offer/Answer Model with Session Description Protocol (SDP)".
[8] IETF RFC 2663: "IP Network Address Translator (NAT) Terminology and Considerations".
[9] ITU-T Recommendation H.248.37 (2005): "Gateway control protocol: IP NAPT traversal
package".
ETSI
10 ETSI ES 283 018 V2.3.1 (2008-06)
[10] ITU-T Recommendation H.248.54 (2007): "Gateway control protocol: MPLS support package".
[11] ITU-T Recommendation H.248.56 (2007): "Gateway control protocol: Packages for virtual private
network support".
[12] ITU-T Recommendation H.248.40 (2007): "Gateway Control Protocol: Application Data
Inactivity Detection Package".
[13] ITU-T Recommendation H.248.14 (2002): "Gateway control protocol: Inactivity timer package".
[14] ITU-T Recommendation Q.3303.2 (2007): "Protocol at the interface between a Policy Decision
Physical Entity (PD-PE) and a Policy Enforcement Physical Entity (PE-PE) (Rw Interface): H.248
Alternative".
[15] ITU-T Recommendation H.248.11 (2002): "Gateway control protocol: Media gateway overload
control package".
[16] ITU-T Recommendation H.248.41 (2006): "Gateway control protocol: IP domain connection
package".
[17] Draft ITU-T Recommendation H.248.52 (2007): "Gateway control protocol: QOS Support
packages".
NOTE: Available at http://ftp3.itu.ch/av-arch/avc-site/2005-2008/0801_Seo/TD-29.zip.
[18] Draft ITU-T Recommendation H.248.43 (2007): "Gateway control protocol: Gate Management
and Gate Control packages".
NOTE: Available at http://ftp3.itu.ch/av-arch/avc-site/2005-2008/0801_Seo/TD-66.zip.
[19] Draft ITU-T Recommendation H.248.53 (2007): "Gateway control protocol: Traffic Management
packages".
NOTE: Available at http://ftp3.itu.ch/av-arch/avc-site/2005-2008/0801_Seo/TD-30.zip.
[20] Void.
[21] Void.
[22] ETSI ES 283 018 (V1.1.4):
...
SLOVENSKI STANDARD
01-marec-2009
Zlite telekomunikacijske in internetne storitve ter protokoli za napredno omreženje
(TISPAN) - Krmiljenje vira in pristopa: Profil H.248 za krmiljenje funkcij mejnega
prehoda (BGF) v podsistemu za krmiljenje vira in pristopa (RACS) - Specifikacija
protokola
Telecommunications and Internet converged Services and Protocols for Advanced
Networking (TISPAN) - Resource and Admission Control: H.248 Profile for controlling
Border Gateway Functions (BGF) in the Resource and Admission Control Subsystem
(RACS) - Protocol specification
Ta slovenski standard je istoveten z: ES 283 018 Version 2.3.1
ICS:
33.040.01 Telekomunikacijski sistemi Telecommunication systems
na splošno in general
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
ETSI Standard
Telecommunications and Internet converged Services and
Protocols for Advanced Networking (TISPAN);
Resource and Admission Control: H.248 Profile for controlling
Border Gateway Functions (BGF) in the Resource and
Admission Control Subsystem (RACS);
Protocol specification
2 ETSI ES 283 018 V2.3.1 (2008-06)
Reference
RES/TISPAN-03192-NGN-R2
Keywords
H.248, interface
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
Individual copies of the present document can be downloaded from:
http://www.etsi.org
The present document may be made available in more than one electronic version or in print. In any case of existing or
perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).
In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive
within ETSI Secretariat.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, please send your comment to one of the following services:
http://portal.etsi.org/chaircor/ETSI_support.asp
Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2008.
All rights reserved.
TM TM TM TM
DECT , PLUGTESTS , UMTS , TIPHON , the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered
for the benefit of its Members.
TM
3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners.
ETSI
3 ETSI ES 283 018 V2.3.1 (2008-06)
Contents
Intellectual Property Rights.8
Foreword.8
1 Scope.9
2 References.9
2.1 Normative references.9
2.2 Informative references.11
3 Definitions and abbreviations.11
3.1 Definitions.11
3.2 Abbreviations.13
4 Applicability.13
4.1 Architecture.13
5 Profile description .14
5.1 Profile identification.14
5.2 Summary.14
5.3 Gateway Control Protocol Version .15
5.4 Connection model.15
5.5 Context attributes.15
5.6 Terminations.15
5.6.1 Termination names.15
5.6.1.1 IP Termination.15
5.6.1.1.1 Overview and prose specification.15
5.6.1.1.2 Syntactical Specification.18
5.6.2 Multiplexed terminations.18
5.7 Descriptors.18
5.7.1 TerminationState descriptor.18
5.7.2 Stream descriptor.19
5.7.2.1 LocalControl descriptor.19
5.7.3 Events descriptor.19
5.7.4 EventBuffer descriptor.20
5.7.5 Signals descriptor.20
5.7.6 DigitMap descriptor.21
5.7.7 Statistics descriptor.21
5.7.8 ObservedEvents descriptor.21
5.7.9 Topology descriptor.21
5.7.10 Error descriptor.22
5.8 Command API.22
5.8.1 Add.23
5.8.2 Modify.23
5.8.3 Subtract.24
5.8.4 Move.24
5.8.5 AuditValue.24
5.8.6 AuditCapabilities .24
5.8.7 Notify.24
5.8.8 ServiceChange.24
5.8.9 Manipulating and auditing context attributes.25
5.9 Generic command syntax and encoding.25
5.10 Transactions.25
5.11 Messages.26
5.12 Transport.26
5.13 Security.27
5.14 Packages.27
5.14.1 Overview.28
5.14.2 Package usage information .29
ETSI
4 ETSI ES 283 018 V2.3.1 (2008-06)
5.14.2.1 Generic (g).29
5.14.2.2 Base root (root) .30
5.14.2.3 Network (nt).31
5.14.2.4 Differentiated Services (DS) .31
5.14.2.5 Gate Management (GM) .32
5.14.2.6 Traffic management (tman).33
5.14.2.7 IP NAPT Traversal (ipnapt) .33
5.14.2.8 MPLS (mpls).34
5.14.2.9 VLAN (vlan).34
5.14.2.10 MGC Information (mgcinfo).35
5.14.2.11 Inactivity (it).35
5.14.2.12 Segmentation (seg).36
5.14.2.13 RTP Package.37
5.14.2.14 Application Data Inactivity Detection (adid) .37
5.14.2.15 IP Domain Connection (ipdc) .38
5.14.2.16 Media Gateway Overload Control Package .38
5.14.2.17 Hanging Termination Detection (Hangterm) .39
5.14.2.18 Statistic Conditional Reporting (scr).39
5.15 Mandatory support of SDP and Annex C information elements .40
5.16 Optional support of SDP and Annex C information elements.41
5.17 Overview of Procedures .42
5.17.1 Overview of Session Dependent Procedures .42
5.17.1.1 Gate control.43
5.17.1.2 Allocation and translation of IP addresses, ports and versions (NAPT-PT) .44
5.17.1.3 Support of Hosted NAT Traversal .45
5.17.1.4 QoS marking.45
5.17.1.5 Bandwidth control - Reservation, Allocation and Policing.45
5.17.1.5.1 Admission Control.46
5.17.1.5.2 Traffic Descriptor.46
5.17.1.5.3 Bandwidth reservation and allocation .47
5.17.1.5.4 Bandwidth policing.47
5.17.1.5.5 Non-specification of tman properties .47
5.17.1.6 Usage metering and statistics reporting.47
5.17.1.6.1 Statistics for Media/Transport-agnostic IP packets .47
5.17.1.6.2 Traffic Volume related Statistics.47
5.17.1.7 RTCP Handling.48
5.17.1.7.1 RTCP Port Allocation.48
5.17.1.7.2 RTP/RTCP to-H.248 Stream Mapping.49
5.17.1.8 RTCP Forwarding .49
5.17.1.8.1 Conditions for RTCP packet policing.49
5.17.1.8.2 Forwarding of regular RTCP traffic .49
5.17.1.8.3 Handling of RTCP XR/HR traffic .49
5.17.1.9 Media Inactivity.49
5.17.1.10 IP Realm/Domain Indication.50
5.17.1.10.1 Codepoint and format/encoding .50
5.17.1.10.2 Unsuccessful indication.50
5.17.1.10.3 Fix assignment per termination lifetime .50
5.17.1.10.4 Number of IP Realms/Domains.50
5.17.1.11 Two-Stage BGF Resource Reservation.51
5.17.1.12 Hanging Termination Detection.51
5.17.1.13 Real Time Statistics Reporting.51
5.17.1.14 Transcoding.52
5.17.1.14.1 Media types and formats (Codecs) .52
5.17.1.14.2 Decision for transcoding.52
5.17.2 Overview of Session Independent Procedures.52
5.17.2.1 Introduction - Relation to TR 183 025.52
5.17.2.2 Session-independent procedures.52
5.17.2.3 MG Overload Control: Rate limitation of H.248 Messages from MGC-to-MG .52
5.18 Session Dependent Procedures (Command Level Details) .53
5.18.1 Add Termination.54
5.18.1.1 Add Termination - Remote Addr and Port Known, Select Local Addr and Port.54
5.18.1.1.1 Conditions for Address Policing: SAF, SPF, SAM, SPR, SPRR .56
ETSI
5 ETSI ES 283 018 V2.3.1 (2008-06)
5.18.1.1.2 Assigning IP Domain/Realm to Termination .57
5.18.1.1.3 Add Termination - Remote Addr and Port Known, Select Local Addr and Port - Examples.57
5.18.1.2 Add Termination - Select Local Addr and Port.59
5.18.1.2.1 Add Termination - Select Local Addr and Port - Examples.61
5.18.1.3 Add Termination - Remote Addr Known, Select Local Addr.62
5.18.1.3.1 Add Termination - Remote Addr Known, Select Local Addr - Examples .63
5.18.1.4 Add Termination - Select Local Addr.64
5.18.1.4.1 Add Termination - Select Local Addr - Examples .65
5.18.2 Session Establishment Update .65
5.18.2.1 Session Establishment Update - Remote Addr and Port Known.66
5.18.2.1.1 Session Establishment Update - Remote Addr and Port Known - Examples .67
5.18.2.2 Session Establishment Update - Remote Addr Known.69
5.18.2.2.1 Session Establishment Update - Remote Addr Known - Examples .70
5.18.2.3 Session Establishment Update - Through Connect .71
5.18.2.3.1 Session Establishment Update - Through Connect - Examples.72
5.18.2.4 Session Establishment Update - Select Local Port.73
5.18.2.4.1 Session Establishment Update - Select Local Port - Examples .75
5.18.2.5 Session Establishment Update - Bandwidth Change.76
5.18.2.5.1 Session Establishment Update - Bandwidth Change - Examples .78
5.18.3 Mid-Session Update.78
5.18.3.1 Mid-Session Update - Bandwidth Change .79
5.18.3.1.1 Mid-Session Update - Bandwidth Change - Examples.81
5.18.3.2 Mid-Session Update - Media Change .82
5.18.3.2.1 Mid-Session Update - Media Change - Examples.84
5.18.3.3 Mid-Session Update - Remote Port Change.85
5.18.3.3.1 Mid-Session Update - Remote Port Change - Examples .87
5.18.3.4 Mid-Session Update - Add Stream, Remote Addr and Port Known .88
5.18.3.4.1 Mid-Session Update - Add Stream, Remote Addr & Port Known - Examples .90
5.18.3.5 Mid-Session Update - Add Stream.91
5.18.3.5.1 Mid-Session Update - Add Stream - Examples .93
5.18.3.6 Mid-Session Update - Delete Stream.94
5.18.3.6.1 Mid-Session Update - Delete Stream - Examples .95
5.18.4 Auditing.98
5.18.4.1 Mid-Session Statistics Audit .98
5.18.4.1.1 Mid-Session Statistics Audit - Example .99
5.18.5 Notification of MG Events .100
5.18.5.1 Notification of IP Media Stop .100
5.18.5.2 Notification of Hanging Termination.101
5.18.5.3 Notification of Statistic Conditional Reporting.102
5.18.6 Delete Session/Termination.103
5.18.6.1 Delete Session/Termination.103
5.18.6.1.1 Delete Session/Termination - Examples.104
5.18.6.2 Delete Session/Termination - Wildcarded Reply.106
5.18.6.2.1 Delete Session - Wildcarded Reply - Examples .106
5.19 Non-Session Related Use Cases.106
5.19.1 Enable MG.107
5.19.1.1 Enable MG (at MGC).107
5.19.1.2 Enable MG (at MG) .107
5.19.1.2.1 Enable MG (at MG): Cold Boot .108
5.19.1.2.2 Enable MG (at MG): Warm Boot.109
5.19.2 Enable MGC.110
5.19.3 Disable MG (Graceful) .110
5.19.3.1 Disable MG (Graceful) (MGC).110
5.19.3.2 Disable MG (Graceful) (MG) .111
5.19.4 Disable MG (Immediate) .111
5.19.4.1 Disable MG (Immediate) (MGC).111
5.19.4.2 Disable MG (Immediate) (MG) .112
5.19.5 Disable MGC.112
5.19.6 Enable Termination.112
5.19.7 Disable Termination (Graceful).112
5.19.8 Disable Termination (Immediate).112
5.19.9 MG Failure and Recovery.113
ETSI
6 ETSI ES 283 018 V2.3.1 (2008-06)
5.19.10 MG Termination Failure and Recovery.113
5.19.11 MGC Failure and Recovery.113
5.19.12 User Plane Failure.114
5.19.13 MGC-MG Control Association Failure and Recovery .114
5.19.14 MG Overload.117
5.19.15 MGC Overload.117
5.19.16 MGC Hand-Off.117
5.19.17 MGC Re-Direct.118
5.19.18 MG Failover.118
5.20 Session Independent Procedures (Command Level Details).119
5.20.1 MG Initial Registration.120
5.20.2 MG Restoration.121
5.20.3 Packages Audit.121
5.20.4 Context Audit.122
5.20.5 MG Termination Available.123
5.20.6 MG Termination Unavailable.123
5.20.7 Audit Termination State.124
5.20.8 Set ROOT Termination Events/Properties.124
5.20.9 MGC Ordered Re-Register .125
5.20.10 Check MG Availability.125
5.20.11 MG OOS Graceful.126
5.20.12 MG OOS Immediate.126
5.20.13 MGC Hand-Off.127
5.20.14 MG Re-Register.128
5.20.15 MG Termination OOS Graceful .128
5.20.16 MGC Overload Notification .128
5.20.17 Registration Redirect.129
5.20.18 User Plane Failure.130
5.20.19 Check MGC Availability.130
5.20.20 Re-Establish Previous Control Association .131
5.20.21 MGC Failover - Establish New Control Association.131
5.20.22 MG Primary Failover.132
5.20.23 MG Overload Notification.133
5.20.24 MG Ordered Re-Register.133
5.20.25 Wildcarded Subtract.134
5.20.26 MG Secondary Failover.134
5.20.27 MGC Service Cancellation .134
5.20.28 Audit Service State .134
Annex A (informative): Illustration of Gate/Pinhole Concept .135
A.1 General.135
A.2 Relationships between gates and H.248 Streams .135
Annex B (informative): Comparison between ES 283 018 V1.1.4 (Ia Profile Version 1) and TS
102 333 (GCP) .136
B.1 General.136
B.2 Differences between TS 102 333 (GCP) and ES 283 018 V1.1.4 (Ia Profile Version 1).136
Annex C (informative): Comparison with Ia Profile Version 1 .137
C.1 General.137
C.2 Differences between ES 283 018 V1.1.4 (Ia Profile Version 1) and ES 283 018 V2.3.0 (Ia Profile
Version 2).137
Annex D (informative): Illustration of an IP processing model for an H.248 (IP, IP) Context.139
D.1 Example model.139
D.2 Aspects of filter interaction .141
D.2.1 Interaction between address latching and address policing .141
ETSI
7 ETSI ES 283 018 V2.3.1 (2008-06)
Annex E (informative): Guidelines for Ia-to-Gq' mapping .143
E.1 Guidelines for Ia-to-Gq' mapping with regards to session-independent procedures.143
E.1.1 Introduction.143
E.1.2 Mapping guidelines.143
E.1.2.1 Session-dependent procedures.143
E.1.2.2 Session-independent procedures.144
E.2 Guidelines for Ia-to-Gq' mapping with regards to bearer-specific events.144
E.2.1 Introduction.144
E.2.2 Mapping guidelines.145
E.2.2.1 Guidelines for Specific Action AVPs.145
E.2.2.2 Other AVPs.145
Annex F (informative): Bibliography.146
Annex G (informative): Change history .147
History .149
ETSI
8 ETSI ES 283 018 V2.3.1 (2008-06)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://webapp.etsi.org/IPR/home.asp).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This ETSI Standard (ES) has been produced by ETSI Technical Committee Telecommunications and Internet
converged Services and Protocols for Advanced Networking (TISPAN).
ETSI
9 ETSI ES 283 018 V2.3.1 (2008-06)
1 Scope
The present document defines a profile of the Gateway Control Protocol (H.248.1) to be used for controlling Border
Gateway Functions (BGF), as defined in ES 282 003 [3].
2 References
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• Non-specific reference may be made only to a complete document or a part thereof and only in the following
cases:
- if it is accepted that it will be possible to use all future changes of the referenced document for the
purposes of the referring document;
- for informative references.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
For online referenced documents, information sufficient to identify and locate the source shall be provided. Preferably,
the primary source of the referenced document should be cited, in order to ensure traceability. Furthermore, the
reference should, as far as possible, remain valid for the expected life of the document. The reference shall include the
method of access to the referenced document and the full network address, with the same punctuation and use of upper
case and lower case letters.
NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
2.1 Normative references
The following referenced documents are indispensable for the application of the present document. For dated
references, only the edition cited applies. For non-specific references, the latest edition of the referenced document
(including any amendments) applies.
[1] ITU-T Recommendation H.248.1 (2005): "Gateway control protocol: Version 3".
[2] Void.
[3] ETSI ES 282 003: "Telecommunications and Internet converged Services and Protocols for
Advanced Networking (TISPAN); Resource and Admission Control Sub-System (RACS):
Functional Architecture".
[4] ITU-T Recommendation H.248.45 (2006): "Gateway control protocol: MGC information
package".
[5] ITU-T Recommendation H.460.18: "Traversal of H.323 signalling across network address
translators and firewalls".
[6] IETF RFC 5234: "Augmented BNF for Syntax Specifications: ABNF".
[7] IETF RFC 3264: "An Offer/Answer Model with Session Description Protocol (SDP)".
[8] IETF RFC 2663: "IP Network Address Translator (NAT) Terminology and Considerations".
[9] ITU-T Recommendation H.248.37 (2005): "Gateway control protocol: IP NAPT traversal
package".
ETSI
10 ETSI ES 283 018 V2.3.1 (2008-06)
[10] ITU-T Recommendation H.248.54 (2
...