ITU H.460.18:2005

ITU H.460.18:2005 Traversal Of H.323 Signalling Across Network Address Translators And Firewalls Describes H.323 to enable H.323 devices to successfully exchange signalling and establish calls, even when they are placed inside a private network behind NAT/FW devices.

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Table of Contents

1Scope
2References
3Definitions
4Abbreviations
5Conventions
6Overview
7Architecture
8Registrationprocedure
8.1Traversalservermodeselection
8.2RegistrationwhenH.460.18modeselectedby
traversalsever
9Outgoingcallprocedure
10Incomingcallprocedure
11H.245connectionestablishment
12Mediasetupprocedure
13Locationrequest(LRQ/LCF)procedure
14Keep-alives
15GenericdatausageinH.225.0
16GenericparametersinH.245
16.1connectionCorrelation
AnnexA-SignallingtraversalASN.1definitionsfor
useinsideH.245andH.225.0genericdata
messages
AppendixI-ASN.1OIDsdefinedinthisRecommendation

Abstract

Describes H.323 to enable H.323 devices to successfully exchange signalling and establish calls, even when they are placed inside a private network behind NAT/FW devices.

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