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ASAI and Domain Control
Issue 7 May 1998
5-21
Denial (NAK) Causes
The ECS issues one of the following reasons as the cause for ending the
association:
■ Invalid number/domain (CS0/28)
The controlling party has not been specified correctly.
■ Message not compatible with call state (CS0/98)
The common party is not in a valid state for the operation (merge) to take
place. For example, the common party does not have one call active
(talking) and one call in the held state.
■ Invalid information element contents (CS0/100)
The party_id value of the request is invalid.
■ Mandatory information element missing (CS0/96)
■ Resources not available (CS3/40)
The host attempted to add a seventh party to a call with six parties active
(bridging and held cases only).
■ Reorder/Denial (CS3/42)
Both calls are alerting, or both calls are being service observed, or an
active call is in a vector processing stage.
Protocol Error (NAK) Causes
The ECS issues the following causes for returning a protocol processing error.
1. The field “Send UCID to ASAI” is administered on the feature-related System
Parameters form.
result_call_
id
[mandatory] The call_id after the call is merged (provided by
the ECS)
party_id [mandatory] The list of party_ids for the merged call provided
by the ECS
connected
number
[mandatory] The list of extensions for the parties on the call
old party_id A list of party ids corresponding to the calls prior to the
conference. This report item is used in conjunction with the
party_id list to map the party ids prior to the conference to
the party ids after the conference.
UCID
(Universal
Call ID)
Starting with Release 6, UCID is included only if it exists in
the DEFINITY ECS and the “Send UCID to ASAI”
1
field is
administered to ‘y’. It is a unique tag assigned to each ECS
call.