Table of Contents
1Scope
2Normativereferences
3Definitions
4Abbreviations
5Introduction
6Communicationbetweengateways
6.1Internetprotocol-TCPorUDP
6.2Gatewayfacsimiledatatransferfunctions
7IFTprotocoldefinitionandprocedures
7.1General
7.2IFPpacketformat
7.3TYPEdefinitions
7.4TheIFPDATAelement
7.5LimitationofV.21framepacketsize
8IFPmessageflowforfacsimilemodulationsuptoV.17
8.1Dataratemanagementmethod1
8.2Dataratemanagementmethod2
9IFToverUDPtransport
9.1IFToverUDPtransportusingUDPTLprotocol:
IFT/UDPTL/UDP
9.2IFToverUDPtransportusingRTPprotocol:IFT/RTP/UDP
10MessageflowforV.8signalsandAnnexF/V.34facsimile
10.1V.8negotiation
10.2V.34dataratemanagement
10.3Facsimilemode
10.4Compatibilitywithequipmentconformingtoprior
versionsofthisRecommendation
AnnexA-ASN.1notation
A.1T.38(2002)ASN.1notation
A.2T.38(1998)ASN.1notation
AnnexB-H.323callestablishmentprocedures
B.1Introduction
B.2Communicationbetweenfacsimileterminalandgateway
B.3Communicationbetweengateways
AnnexC-Theoptionalforwarderrorcorrectionschemefor
UDPTL
C.1Overviewoftheoptionalforwarderrorcorrection
mechanism
C.2Parityencode/decodeschemeoperationand
characteristics
AnnexD-SIP/SDPcallestablishmentprocedures
D.1Introduction
D.2Communicationbetweengateways
AnnexE-H.248.1callestablishmentprocedures
E.1Introduction
E.2Communicationbetweengateways
AnnexF-Interworkingprocedures:T.38andV.150.1inthe
samegateway
F.1Introduction
F.2SSEreasonidentifiercodesforT.38transition
F.3ModeOverridefromV.34Group3facsimiletostandard
Group3facsimile
F.4Externalsignalling
AnnexG-H.245CapabilityDefinitionforT.38overRTP
AppendixI-Sessionexamples
I.1Sessionexamples
I.2IAFdevice
AppendixII-Examplesofcallestablishmentprocedures
describedinAnnexB/T.38
II.1Sequenceexamplesofcallestablishmentprocedures
II.2Protocoldatausedincallestablishmentprocedures
AppendixIII-H.248callestablishmentprocedureexamples
forfacsimile-capablemediagateways
III.1Introduction
III.2Examplesofcallsetup
AppendixIV-V.34sessionexamples
IV.1V.34sessionexamples
AppendixV-T.38ImplementationGuidelines
V.1Generalissue
V.2IAFissue
V.3Call-setupissue
V.4Others Abstract
Defines the procedures to be applied to allow Group 3 facsimile transmission between terminals where in addition to the PSTN or ISDN a portion of the transmission path used between terminals includes an IP network, e.g. the Internet.
