The "Callback-Number" AVP
The "Callback-Number" Diameter AVP, which is of type UTF8String, uses the AVP code "19".
It has the MANDATORY flag, the MAY-ENCRYPT flag.
It is part of the AA-Request, Accounting-Request, Diameter-EAP-Answer, AA-Answer, Diameter-EAP-Request commands.
| Update source | Insertion date |
|---|---|
| Wireshark | 2026-04-26 07:12 |