The "CS-MultiParty-Call-Indication" AVP

The "CS-MultiParty-Call-Indication" Diameter AVP, which is of type Grouped, is defined by Telefonica OAMA (vendor ID 27640) and uses the AVP code "53".

It has the MANDATORY flag, the MAY-ENCRYPT flag.

It is a grouped AVP, which can hold the following nested AVPs:

AVP code	AVP name	AVP type	AVP requirement
52	CS-Conference-Id	UTF8String
885	Number-Of-Participants	Integer32

Its AVP-header format definition is the following:

< CS-MultiParty-Call-Indication > ::= < AVP-Header: 53, 27640 > 
* [ CS-Conference-Id ]
* [ Number-Of-Participants ]

Update source	Insertion date
Wireshark	2026-04-26 07:14