7.2.111E Network-Call-Reference-Number AVP
32.2993GPPCharging managementDiameter charging applicationsRelease 17Telecommunication managementTS
The Network-Call-Reference-Number AVP (AVP code 3418) is type OctetString and contains the reference number generated by the GMSC/MSC for the voice call service. When combined with the identity of the MSC that allocated it can be used to unambiguously identify the call.