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ASAI and Domain Control
5-16 Issue 7 May 1998
Protocol Error (NAK) Cause
The ECS issues the following cause for a protocol processing error:
■ Protocol error (CS0/111)
The Q.932 protocol has been violated or the capability invoked is not
consistent with this association. For example, invoking a Third Party
Domain Control Request over a Call Control association is inconsistent.
NOTE:
For more information regarding protocol errors and a complete list of
reason codes (cause values), see the
DEFINITY Enterprise
Communications Server CallVisor ASAI Protocol Reference
,
555-230-221.
Considerations
The adjunct uses previously acquired call_id information about the call to release
it from the held state. The call must have been placed on (hard or soft) hold from
the station set or via the adjunct.
If the party is already reconnected on the specified call when the ECS receives
the request, an ACK is returned.