ZA.10 Extensions needed in table A.4 of ES 283 003

24.4033GPPIP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Stage 3 [3GPP TS 24.229 (Release 7), modified]Release 7TISPANTS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

Table A.4: Major capabilities

Item	Does the implementation support	Reference	RFC status	Profile status
	Capabilities within main protocol






XX	an extension to the session initiation protocol for request cpc information?	[xx]	o (note)	cxx
cxx A.3/2 OR A.3/3 OR A.3/4 OR A.3.5 OR A.3/6 OR A.3/7 OR A.3/8 THEN o ELSE n/a – – cpc URI parameter
NOTE: It has to be clarified within the draft that the cpc value belongs to the trust domain and shall not be populated by UEs.