ITU V.252:1998
ITU V.252:1998 Procedure For Control Of V.70 And H.324 Terminals By A Dte Covers the operation of the DCE/DTE interface where either an H.324 entity of a V.70 DSVD entity is implemented in the DCE.
Table of Contents
1Scope2Controlmodel
2.1Devicecodes
3Commands
3.1Terminalconfiguration,+STC
3.2Closelogicalchannel,+STH
3.3Dataconfiguration,+SDC
3.4Audiotransmitconfiguration,+SAC
3.5Audioreceivemode+SAM
3.6Videotransmitconfiguration+SVC(Class18only)
3.7Videoreceivemode+SVM(Class18only)
3.8Dataindicationreporting,+SDR
3.9Audioindicationreporting,+SARR
3.10Videoindicationreporting,+SVRR(Class18only)
3.11Capabilitiesindicationreporting,+SCRR
4Additionalcommands
4.1Setaudiocode,+VAC
4.2Receivegainselection,+VGR
4.3Transmitgainselection,+VGT
4.4Beeptonedurationtimer,+VTD
4.5DTMFandtonegeneration,+VTS
4.6Ringlocalphone,+VRL
4.7Speakerphoneconfiguration+VDX
4.8Trainacousticecho-canceller,+VTA
4.9Trainhybridecho-canceller,+VTH
4.10Speakerphoneconfiguration,+VDX
4.11Phonehookswitchstatus,+VPH
4.12Telephonyporthookcontrol,+VHC
5Indications
5.1Remoteterminalcapabilitiesindications
5.1.1Remoteterminalcapabilitytableentry
indications,+SRCV,+SRCA,SRCD
5.1.2Remoteterminalsimultaneouscapability
indication,+SRSC
5.2Datachannelindication,+SDI
5.3Audioreceivechannelindication,+SAR
5.4Audiotransmitchannelindication,+SAT
5.5Videoreceivechannelindication,+SVR(Class18
only)
5.6Videotransmitchannelindication,+SVT(Class18
only)
6Additionalindications
6.1Audiocodereport,+VACR
6.2CallerIDreport,+VCIDR
6.3DIDreport,+VDIDR
6.4Simpletelephonyeventreport,+VTER
7In-bandindicationsandcommands
7.1In-bandindications
7.2In-bandcommands
7.3RemoteDCEin-bandcommandsandindications