| 摘要 |
A method of enabling charging information generated within a GPRS access network 4 to be associated with charging information generated within an IP Multimedia Core Network Subsystem, IMSS, 7 the charging information relating to a multimedia call facilitated by the IMSS 7 and carried by the GPRS network 4. The method comprises sending a SIP call identity from the IMSS 7 to the GPRS network 4 and/or a GPRS charging identity from the GPRS network 4 to the IMSS 7. A received identifier is included in charging information messages generated by one or both of the GPRS network 4 and the IMSS 7.
|
