7.2.70A Instance-Id AVP

32.2993GPPCharging managementDiameter charging applicationsRelease 17Telecommunication managementTS

The Instance-Id AVP (AVP code 3402) is of type UTF8String and contains a URN generated by the device that uniquely identifies a specific device amongst all other devices. The Instance Id is transported in the Contact header of a SIP request associated with the served user.