Tech-
invite
3GPP
space
IETF
space
SIP
↠
Examples
Grammars
Presence
⇾
Main
Services
Transaction
Dialog
IMS
TS 24.228
–
§7.2.3
–
§7.3.6
–
§7.4.4
P-Charging-Vector
: The P-CSCF added the GPRS access network information to this header, which is removed and stored by the S-CSCF.