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9.6. SIP-Number-Auth-Items AVP
The SIP-Number-Auth-Items AVP (AVP Code 382) is of type Unsigned32
and indicates the number of authentication and/or authorization
credentials that the Diameter server included in a Diameter message.
When the AVP is present in a request, it indicates the number of
SIP-Auth-Data-Items the Diameter client is requesting. This can be
used, for instance, when the SIP server is requesting several
pre-calculated authentication credentials. In the answer message,
the SIP-Number-Auth-Items AVP indicates the actual number of items
that the Diameter server included.
9.7. SIP-Deregistration-Reason AVP
The SIP-Deregistration-Reason AVP (AVP Code 383) is of type Grouped
and indicates the reason for a deregistration operation.
The SIP-Deregistration-Reason AVP is defined as follows (per the
grouped-avp-def of RFC 3588 [RFC3588]):
SIP-Deregistration-Reason ::= < AVP Header: 383 >
{ SIP-Reason-Code }
[ SIP-Reason-Info ]
* [ AVP ]
9.7.1. SIP-Reason-Code AVP
The SIP-Reason-Code AVP (AVP Code 384) is of type Enumerated and
defines the reason for the network initiated deregistration. The
following values are defined:
o PERMANENT_TERMINATION (0)
o NEW_SIP_SERVER_ASSIGNED (1)
o SIP_SERVER_CHANGE (2)
o REMOVE_SIP_SERVER (3)
9.7.2. SIP-Reason-Info AVP
The SIP-Reason-Info AVP (AVP Code 385) is of type UTF8String and
contains textual information that can be rendered to the user, about
the reason for a deregistration.
