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Spec #CR #Revision #Impacted VersionTarget ReleaseTitleWG TDoc #WG statusTSG TDoc #TSG statusNew Version
29.1631072116.3.0Rel-16Interworking of Local Number Format in From Header FieldC3-195294agreedCP-193218approved16.4.0
29.1631072-16.3.0Rel-16Interworking of Local Number Format in From Header FieldC3-195014revised   
29.1631071-16.3.0Rel-16Modification on the condition of setting of the Privacy header field when the call is diverted.C3-194024agreedCP-193218approved16.4.0
29.1631070416.3.0Rel-16Interworking of Local Number Format in Generic NumberC3-195191agreedCP-193218approved16.4.0
29.1631070316.3.0Rel-16Interworking of Local Number Format in Generic NumberC3-194401agreed   
29.1631070216.3.0Rel-16Interworking of Local Number Format in Generic NumberC3-194258revised   
29.1631070116.3.0Rel-16Interworking of Local Number Format in Generic NumberC3-194023revised   
29.1631070-16.3.0Rel-16Interworking of Local Number Format in Generic NumberC3-194021revised   
29.1631069116.2.0Rel-16Mapping of History-Info header field to ISUP Original called numberC3-193391agreedCP-192161approved16.3.0
29.1631069-16.2.0Rel-16Mapping of History-Info header field to ISUP Original called numberC3-193055revised   
29.1631068115.7.0Rel-15Mapping of History-Info header field to ISUP Original called numberC3-193390agreedCP-192161approved15.8.0
29.1631068-15.7.0Rel-15Mapping of History-Info header field to ISUP Original called numberC3-193054revised   
29.1631067114.12.0Rel-14Mapping of History-Info header field to ISUP Original called numberC3-193389agreedCP-192161approved14.13.0
29.1631067-14.12.0Rel-14Mapping of History-Info header field to ISUP Original called numberC3-193053revised   
29.1631066113.12.0Rel-13Mapping of History-Info header field to ISUP Original called numberC3-193388agreedCP-192161approved13.13.0
29.1631066-13.12.0Rel-13Mapping of History-Info header field to ISUP Original called numberC3-193052revised   
29.1631065112.15.0Rel-12Mapping of History-Info header field to ISUP Original called numberC3-193387agreedCP-192161approved12.16.0
29.1631065-12.15.0Rel-12Mapping of History-Info header field to ISUP Original called numberC3-193051revised   
29.1631064116.2.0Rel-16Reference Update RFC8606C3-193394agreedCP-192166approved16.3.0
29.1631064-16.2.0Rel-16Reference Update RFC8606C3-193034revised   
29.1631063115.7.0Rel-15Reference Update RFC8606C3-193393agreedCP-192166approved15.8.0
29.1631063-15.7.0Rel-15Reference Update RFC8606C3-193033revised   
29.1631062114.12.0Rel-14Reference Update RFC8606C3-193392agreedCP-192166approved14.13.0
29.1631062-14.12.0Rel-14Reference Update RFC8606C3-193032revised   
29.1631061-16.1.0Rel-16Reference Update for the ISUP Cause Location Parameter DraftC3-192015agreedCP-191094approved16.2.0
29.1631060-15.6.0Rel-15Reference Update for the ISUP Cause Location Parameter DraftC3-192014agreedCP-191094approved15.7.0
29.1631059-14.11.0Rel-14Reference Update for the ISUP Cause Location Parameter DraftC3-192013agreedCP-191094approved14.12.0
29.1631058416.2.0Rel-16Modification on the setting of P-Asserted-Identity header field when a calling party number is not available.C3-193385agreedCP-192174approved16.3.0
29.1631058316.2.0Rel-16Modification on the setting of P-Asserted-Identity header field when a calling party number is not available.C3-193014revised   
29.1631058216.1.0Rel-16Modification on the setting of P-Asserted-Identity header field when a calling party number is not available.C3-192266revised   
29.1631058116.1.0Rel-16Modification on the setting of P-Asserted-Identity header field when a calling party number is not available.C3-192022revised   
29.1631058-16.1.0Rel-16Modificataion on the setting of P-Asserted-Identity header field when a calling party number is not available.C3-191135postponed   
29.1631057216.0.0Rel-16Reference Update for the ISUP Cause Location Parameter DraftC3-190291agreedCP-190126approved16.1.0
29.1631057116.0.0Rel-16Reference Update for the ISUP Cause Location Parameter DraftC3-190256revised   
29.1631057-16.0.0Rel-16Reference Update for the ISUP Cause Location Parameter DraftC3-190037revised   
29.1631056215.5.0Rel-15Reference Update for the ISUP Cause Location Parameter DraftC3-190290agreedCP-190126approved15.6.0
29.1631056115.5.0Rel-15Reference Update for the ISUP Cause Location Parameter DraftC3-190255revised   
29.1631056-15.5.0Rel-15Reference Update for the ISUP Cause Location Parameter DraftC3-190036revised   
29.1631055214.10.0Rel-14Reference Update for the ISUP Cause Location Parameter DraftC3-190289agreedCP-190126approved14.11.0
29.1631055114.10.0Rel-14Reference Update for the ISUP Cause Location Parameter DraftC3-190254revised   
29.1631055-14.10.0Rel-14Reference Update for the ISUP Cause Location Parameter DraftC3-190035revised   
29.1631054116.0.0Rel-16Correction for the encoding of the INFO message for overlap signalling using the in-dialog methodC3-190298agreedCP-190122approved16.1.0
29.1631054-16.0.0Rel-16Correction for the encoding of the INFO message for overlap signalling using the in-dialog methodC3-190018revised   
29.1631053-15.4.0Rel-15Resolution of Editor’s Notes in TS 29.163C3-187027agreedCP-183112approved15.5.0
29.1631052-14.9.0Rel-14Resolution of Editor’s Notes in TS 29.163C3-187026agreedCP-183112approved14.10.0
29.1631051-13.11.0Rel-13Resolution of Editor’s Notes in TS 29.163C3-187025agreedCP-183112approved13.12.0
29.1631050-12.14.0Rel-12Resolution of Editor’s Notes in TS 29.163C3-187024agreedCP-183112approved12.15.0
29.1631049-11.18.0Rel-11Resolution of Editor’s Notes in TS 29.163C3-187023agreedCP-183112approved11.19.0
29.1631048-10.21.0Rel-10Resolution of Editor’s Notes in TS 29.163C3-187022agreedCP-183112approved10.22.0
29.1631047-9.25.0Rel-9Resolution of Editor’s Notes in TS 29.163C3-187021agreedCP-183112approved9.26.0
29.1631046-8.31.0Rel-8Resolution of Editor’s Notes in TS 29.163C3-187020agreedCP-183112approved8.32.0
29.1631045215.4.0Rel-16New Q850 cause for Call completed elsewhereC3-186442agreedCP-183115approved16.0.0
29.1631045115.4.0Rel-16New Q850 cause for Call completed elsewhereC3-186283revised   
29.1631045-15.4.0Rel-16New Q850 cause for Call completed elsewhereC3-186077revised   
29.1631044-15.3.0Rel-15Reference Update for the ISUP Q.850 location parameterC3-185254agreedCP-182024approved15.4.0
29.1631043-14.8.0Rel-14Reference Update for the ISUP Q.850 location parameterC3-185253agreedCP-182024approved14.9.0
29.1631042215.3.0Rel-15Correction of the Interworking of the Redirecting NumberC3-185329agreedCP-182028approved15.4.0
29.1631042115.3.0Rel-15Correction of the Interworking of the Redirecting NumberC3-185281revised   
29.1631042-15.3.0Rel-15Correction of the Interworking of the Redirecting NumberC3-185049revised   
29.1631041-15.2.0Rel-15Resolving Call Completed Elsewhere mapping to CSC3-183116postponed   
29.1631040115.2.0Rel-15Providing attestation informationC3-183505agreedCP-181016approved15.3.0
29.1631040-15.2.0Rel-15Providing attestation informationC3-183097revised   
29.1631039-15.2.0Rel-15Correction of the Interworking of the Backward call indicators parameter interworkingC3-183047withdrawn   
29.1631038-14.7.0Rel-14Correction of the Interworking of the Backward call indicators parameter interworkingC3-183046withdrawn   
29.1631037-13.10.0Rel-13Correction of the Interworking of the Backward call indicators parameter interworkingC3-183045withdrawn   
29.1631036-12.13.0Rel-12Correction of the Interworking of the Backward call indicators parameter interworkingC3-183044withdrawn   
29.1631035-11.17.0Rel-11Correction of the Interworking of the Backward call indicators parameter interworkingC3-183043withdrawn   
29.1631034-10.20.0Rel-10Correction of the Backward call indicators parameter interworkingC3-183037agreedCP-181018approved10.21.0
29.1631033-9.24.0Rel-9Correction of the Backward call indicators parameter interworkingC3-183036agreedCP-181018approved9.25.0
29.1631032-8.30.0Rel-8Correction of the Backward call indicators parameter interworkingC3-183035agreedCP-181018approved8.31.0
29.1631031-15.2.0Rel-15Correction of the Backward call indicators parameter interworkingC3-183042agreedCP-181018approved15.3.0
29.1631030-14.7.0Rel-14Correction of the Backward call indicators parameter interworkingC3-183041agreedCP-181018approved14.8.0
29.1631029-13.10.0Rel-13Correction of the Backward call indicators parameter interworkingC3-183040agreedCP-181018approved13.11.0
29.1631028-12.13.0Rel-12Correction of the Backward call indicators parameter interworkingC3-183039agreedCP-181018approved12.14.0
29.1631027-11.17.0Rel-11Correction of the Backward call indicators parameter interworkingC3-183038agreedCP-181018approved11.18.0
29.1631026-15.2.0Rel-15Interwork of Connected subaddress IE carried in ISUP CON messageC3-182047agreed   
29.1631025-15.1.0Rel-15Reference update: RFC 8224C3-181049agreedCP-180044approved15.2.0
29.1631024-14.6.0Rel-14Reference update: RFC 8224C3-181048agreedCP-180044approved14.7.0
29.1631023-15.1.0Rel-15Reference Update for the ISUP location parameterC3-181024agreedCP-180042approved15.2.0
29.1631022-14.6.0Rel-14Reference Update for the ISUP location parameterC3-181023agreedCP-180042approved14.7.0
29.1631021215.1.0Rel-15Interworking of Subaddress for user specified typeC3-180299agreedCP-180041approved15.2.0
29.1631021115.1.0Rel-15Interworking of Subaddress for user specified typeC3-180250revised   
29.1631021-15.1.0Rel-15Interworking of Subaddress for user specified typeC3-180014revised   
29.1631020-15.0.0Rel-15Interworking of cause location parameterC3-175052agreedCP-173099approved15.1.0
29.1631019-14.5.0Rel-14Interworking of cause location parameterC3-175051agreedCP-173099approved14.6.0
29.1631018115.0.0Rel-15Reference Update for the ISUP location parameterC3-175190agreedCP-173099approved15.1.0
29.1631018-15.0.0Rel-15Reference Update for the ISUP location parameterC3-175015revised   
29.1631017114.5.0Rel-14Reference Update for the ISUP location parameterC3-175189agreedCP-173099approved14.6.0
29.1631017-14.5.0Rel-14Reference Update for the ISUP location parameterC3-175014revised   
29.1631016214.4.0Rel-15"user=phone" URI parameter for SIP URIs in the SIP P-Asserted-Identity header fieldC3-174311agreedCP-172050approved15.0.0
29.1631016114.4.0Rel-15"user=phone" URI parameter for SIP URIs in the SIP P-Asserted-Identity header fieldC3-174218revised   
29.1631016-14.4.0Rel-15"user=phone" URI parameter for SIP URIs in the SIP P-Asserted-Identity header fieldC3-174151revised   
29.1631015-14.4.0Rel-14Reference update from draft-ietf-sipcore-status-unwanted-06 to RFC 8197C3-174101agreedCP-172049approved14.5.0
29.1631014114.4.0Rel-14Reference Update for the ISUP location parameterC3-174219agreedCP-172045approved14.5.0
29.1631014-14.4.0Rel-14Reference Update for the ISUP location parameterC3-174090revised   
29.1631013-14.3.0Rel-14Reference update: draft-ietf-stir-rfc4474bisC3-173021agreedCP-171131approved14.4.0
29.1631012114.3.0Rel-14Reference update: draft-ietf-sipcore-status-unwantedC3-173190agreedCP-171131approved14.4.0
29.1631012-14.3.0Rel-14Reference update: draft-ietf-sipcore-status-unwantedC3-173018revised   
29.1631011114.3.0Rel-14Reference Update RFC8119C3-172180agreedCP-171124approved14.4.0
29.1631011-14.3.0Rel-14Reference Update RFC8119C3-172062revised   
29.1631010113.9.0Rel-13Reference Update RFC8119C3-172179agreedCP-171124approved13.10.0
29.1631010-13.9.0Rel-13Reference Update RFC8119C3-172061revised   
29.1631009-14.3.0Rel-14Mapping of additional 4xx response codes for SPECTREC3-172035agreedCP-171131approved14.4.0
29.1631008-14.3.0Rel-15Interworking of Network Provided Generic NumberC3-172034not pursued   
29.1631007114.3.0Rel-14Addition of the location parameterC3-172201agreedCP-171130approved14.4.0
29.1631007-14.3.0Rel-14Addition of the location parameterC3-172014revised   
29.1631006-14.2.0Rel-14Support of "Calling number verification"C3-171072agreedCP-170082approved14.3.0
29.1631005114.2.0Rel-14Update ref to draft-mohali-dispatch-cause-for-service-numberC3-171171agreedCP-170080approved14.3.0
29.1631005-14.2.0Rel-14Update ref to draft-mohali-dispatch-cause-for-service-numberC3-171038revised   
29.1631004113.8.0Rel-13Update ref to draft-mohali-dispatch-cause-for-service-numberC3-171170agreedCP-170080approved13.9.0
29.1631004-13.8.0Rel-13Update ref to draft-mohali-dispatch-cause-for-service-numberC3-171037revised   
29.1631003-14.1.0Rel-14Corrections to handling of the DTX related EVS MIME parameterC3-164045merged   
29.1631002-13.7.0Rel-13Corrections to handling of the DTX related EVS MIME parameterC3-164044merged   
29.1631001-12.12.0Rel-12Corrections to handling of the DTX related EVS MIME parameterC3-164043merged   
29.1631000-14.1.0Rel-14Update of subclause 9.2.3.4.2C3-164042agreedCP-160631approved14.2.0
29.1630999114.1.0Rel-14Handling of dtx and dtx-recv MIME parameters in SDP offer/answerC3-164122agreedCP-160618approved14.2.0
29.1630999-14.1.0Rel-14Handling of dtx and dtx-recv MIME parameters in SDP offer/answerC3-164039revised   
29.1630998113.7.0Rel-13Handling of dtx and dtx-recv MIME parameters in SDP offer/answerC3-164121agreedCP-160618approved13.8.0
29.1630998-13.7.0Rel-13Handling of dtx and dtx-recv MIME parameters in SDP offer/answerC3-164038revised   
29.1630997112.12.0Rel-12Handling of dtx and dtx-recv MIME parameters in SDP offer/answerC3-164120agreedCP-160618approved12.13.0
29.1630997-12.12.0Rel-12Handling of dtx and dtx-recv MIME parameters in SDP offer/answerC3-164037revised   
29.1630996114.1.0Rel-14Correction of Calculation of Redirection CounterC3-164156agreedCP-160631approved14.2.0
29.1630996-14.1.0Rel-14Correction of Calculation of Redirection CounterC3-164015revised   
29.1630995214.1.0Rel-14Updates to EVS over CS aspectsC3-163286agreedCP-160617approved14.2.0
29.1630995114.1.0Rel-14Updates to EVS over CS aspectsC3-163231revised   
29.1630995-14.1.0Rel-14Updates to EVS over CS aspectsC3-163106revised   
29.1630994213.7.0Rel-13Updates to EVS over CS aspectsC3-163285agreedCP-160617approved13.8.0
29.1630994113.7.0Rel-13Updates to EVS over CS aspectsC3-163230revised   
29.1630994-13.7.0Rel-13Updates to EVS over CS aspectsC3-163105revised   
29.1630993114.1.0Rel-14Updated ref to draft-mohali-dispatch-cause-for-service-number-09C3-163229agreedCP-160624approved14.2.0
29.1630993-14.1.0Rel-14Updated ref to draft-mohali-dispatch-cause-for-service-number-09C3-163039revised   
29.1630992113.7.0Rel-13Updated ref to draft-mohali-dispatch-cause-for-service-number-09C3-163228agreedCP-160624approved13.8.0
29.1630992-13.7.0Rel-13Updated ref to draft-mohali-dispatch-cause-for-service-number-09C3-163038revised   
29.1630991214.1.0Rel-14Editorial Correction for Redirection CounterC3-164031agreedCP-160631approved14.2.0
29.1630991114.1.0Rel-14Editorial Correction for Redirection CounterC3-163235agreed   
29.1630991-14.1.0Rel-14Editorial Correction for Redirection CounterC3-163021revised   
29.1630990114.1.0Rel-14Unknown User Identity for Call DiversionC3-163284agreedCP-160635approved14.2.0
29.1630990-14.1.0Rel-14Unknown User Identity for Call DiversionC3-163020revised   
29.1630989-13.7.0Rel-13Unknown User Identity for Call DiversionC3-163019not pursued   
29.1630988-12.12.0Rel-12Unknown User Identity for Call DiversionC3-163018not pursued   
29.1630987-11.17.0Rel-11Unknown User Identity for Call DiversionC3-163017not pursued   
29.1630986-10.20.0Rel-10Unknown User Identity for Call DiversionC3-163016not pursued   
29.1630985-9.24.0Rel-9Unknown User Identity for Call DiversionC3-163015not pursued   
29.1630984-8.30.0Rel-8Unknown User Identity for Call DiversionC3-163014not pursued   
29.1630983114.0.0Rel-14Updated ref to draft-mohali-dispatch-cause-for-service-number-07C3-162167agreedCP-160449approved14.1.0
29.1630983-14.0.0Rel-14Updated ref to draft-mohali-dispatch-cause-for-service-number-07C3-162079revised   
29.1630982113.6.0Rel-13Updated ref to draft-mohali-dispatch-cause-for-service-number-07C3-162166agreedCP-160449approved13.7.0
29.1630982-13.6.0Rel-13Updated ref to draft-mohali-dispatch-cause-for-service-number-07C3-162078revised   
29.1630981114.0.0Rel-14Clarification on handling of P-Early-Media headerC3-162175agreedCP-160451approved14.1.0
29.1630981-14.0.0Rel-14Clarification on handling of P-Early-Media headerC3-162048revised   
29.1630980114.0.0Rel-14Correction on mapping from 3GPP EVS to UMTS_EVS codecC3-162171agreedCP-160450approved14.1.0
29.1630980-14.0.0Rel-14Correction on mapping from 3GPP EVS to UMTS_EVS codecC3-162047revised   
29.1630979113.6.0Rel-13Correction on mapping from 3GPP EVS to UMTS_EVS codecC3-162170agreedCP-160450approved13.7.0
29.1630979-13.6.0Rel-13Correction on mapping from 3GPP EVS to UMTS_EVS codecC3-162046revised   
29.1630978114.0.0Rel-14Correction for the SIP-ISUP interworking regarding redirection counterC3-162176agreedCP-160451approved14.1.0
29.1630978-14.0.0Rel-14Correction for the SIP-ISUP interworking regarding redirection counterC3-162035revised   
29.1630977-13.5.0Rel-13Update ref to draft-mohali-dispatch-cause-for-service-number-06C3-161118agreedCP-160261approved13.6.0
29.1630976313.5.0Rel-13Clarification on counting diverting entriesC3-161307agreedCP-160272approved13.6.0
29.1630976213.5.0Rel-13Clarification on counting diverting entriesC3-161274revised   
29.1630976113.5.0Rel-13Clarification on counting diverting entriesC3-161208revised   
29.1630976-13.5.0Rel-13Clarification on counting diverting entriesC3-161117revised   
29.1630975-13.5.0Rel-14Correcting name of "network-provided" parameterC3-161052agreedCP-160260approved14.0.0
29.1630974-13.5.0Rel-13Mapping P-Access-Network-Info header to Location Number, clarificationsC3-161044agreedCP-160256approved13.6.0
29.1630973-12.11.0Rel-12Mapping P-Access-Network-Info header to Location Number, clarificationsC3-161043agreedCP-160256approved12.12.0
29.1630972-11.16.0Rel-11Mapping P-Access-Network-Info header to Location Number, clarificationsC3-161042agreedCP-160256approved11.16.0
29.1630971-13.4.0Rel-13Corrections to EVS AMR-WB IO mode-change-capability MIME parameter handlingC3-160196merged   
29.1630970213.4.0Rel-13Corrections to EVS AMR-WB IO mode-change-capability MIME parameter handlingC3-160326agreedCP-160111approved13.5.0
29.1630970113.4.0Rel-13Corrections to EVS AMR-WB IO mode-change-capability MIME parameter handlingC3-160230revised   
29.1630970-13.4.0Rel-13Corrections to EVS AMR-WB IO mode-change-capability MIME parameter handlingC3-160194revised   
29.1630969-12.10.0Rel-12Corrections to EVS AMR-WB IO mode-change-capability MIME parameter handlingC3-160193agreedCP-160111approved12.10.0
29.1630968-13.4.0Rel-13Removal of references to TS 26.235 and TS 26.236C3-160157agreedCP-160105approved13.5.0
29.1630967213.4.0Rel-13Clarification on the setting of the SIP message componentsC3-160327agreedCP-160105approved13.5.0
29.1630967113.4.0Rel-13Clarification on the setting of the SIP message compnentsC3-160282revised   
29.1630967-13.4.0Rel-13Clarification on the setting of the hostportion of SIP URIC3-160055revised   
29.1630966-12.10.0Rel-12Correction of the incorrect ISUP parameter nameC3-160054withdrawn   
29.1630965-11.16.0Rel-11Correction of the incorrect ISUP parameter nameC3-160053withdrawn   
29.1630964-10.19.0Rel-10Correction of the incorrect ISUP parameter nameC3-160052withdrawn   
29.1630963-9.23.0Rel-9Correction of the incorrect ISUP parameter nameC3-160051withdrawn   
29.1630962-8.29.0Rel-8Correction of the incorrect ISUP parameter nameC3-160050withdrawn   
29.1630961113.4.0Rel-13Correction for the SIP-ISUP interworking parameterC3-160227agreedCP-160105approved13.5.0
29.1630961-13.4.0Rel-13Correction for the SIP-ISUP interworking parameterC3-160049revised   
29.1630960-12.10.0Rel-12Correction for the SIP-ISUP interworking parameterC3-160048withdrawn   
29.1630959-11.16.0Rel-11Correction for the SIP-ISUP interworking parameterC3-160047withdrawn   
29.1630958-10.19.0Rel-10Correction for the SIP-ISUP interworking parameterC3-160046withdrawn   
29.1630957-9.23.0Rel-9Correction for the SIP-ISUP interworking parameterC3-160045withdrawn   
29.1630956-8.29.0Rel-8Correction for the SIP-ISUP interworking parameterC3-160044withdrawn   
29.1630955113.4.0Rel-13Resolution of Editor’s notes on EVS over UMTS CSC3-160276agreedCP-160112approved13.5.0
29.1630955-13.4.0Rel-13Resolution of Editor’s notes on EVS over UMTS CSC3-160041revised   
29.1630954213.4.0Rel-13Support of enhanced bandwidth negotiation mechanism for MTSI sessionsC3-160387agreedCP-160102approved13.5.0
29.1630954113.4.0Rel-13Support of enhanced bandwidth negotiation mechanism for MTSI sessionsC3-160232revised   
29.1630954-13.4.0Rel-13Support of enhanced bandwidth negotiation mechanism for MTSI sessionsC3-160029revised   
29.1630953513.5.0Rel-13Interworking of History-Info Header Field when Original Called Number is not presentC3-161273agreedCP-160257approved13.6.0
29.1630953413.5.0Rel-13Interworking of History-Info Header Field when Original Called Number is not presentC3-161194revised   
29.1630953313.5.0Rel-13Interworking of History-Info Header Field when Original Called Number is not presentC3-161030revised   
29.1630953213.4.0Rel-13Interworking of History-Info Header Field when Original Called Number is not presentC3-160402revised   
29.1630953113.4.0Rel-13Interworking of History-Info Header Field when Original Called Number is not presentC3-160226revised   
29.1630953-13.4.0Rel-13Interworking of History-Info Header Field when Original Called Number is not presentC3-160022revised   
29.1630952512.11.0Rel-12Interworking of History-Info Header Field when Original Called Number is not presentC3-161272agreedCP-160257approved12.12.0
29.1630952412.11.0Rel-12Interworking of History-Info Header Field when Original Called Number is not presentC3-161193revised   
29.1630952312.11.0Rel-12Interworking of History-Info Header Field when Original Called Number is not presentC3-161029revised