7.2.80C ISUP-Cause-Diagnostics AVP
32.2993GPPCharging managementDiameter charging applicationsRelease 17Telecommunication managementTS
The ISUP-Cause-Diagnostics AVP (AVP code 3422) is of type OctetString and holds the diagnostics field associated with the release of the voice call service, if available. When used for IMS charging, this AVP holds the diagnostics field associated with the release of a CS call. Refer to TS 29.078 [233] for supported values.