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ASAI and Call Control
Issue 7 May 1998
4-57
Third Party Single-Step Conference Parameters
ACK (positive acknowledgement) Parameters
The DEFINITY ECS responds with a list of up to six party identifiers (party_id) for
the parties on the call and a list of up to six extensions of the parties on the call.
1. The field “Send UCID to ASAI” is administered on the feature-related System
Parameters form.
called number [mandatory] The station extension to be added into
the call.
call options [optional] The following call options are supported.
■ Visibility [optional] — The newly added party with
‘full visibility’ option will have listen and talking
paths. With ‘no visibility’, only listening paths will
be provided for the newly added party.
■ Alert-Order [optional] — Not used, defaults to “add
party without alerting”.
NOTE:
If a call is in vector processing at the time the
Single-Step Conference request is received, a
request with ‘full visibility’ option will be denied.
party_id list Provided by the DEFINITY ECS and sent to the adjunct in
the capability’s acknowledgment. The party_id list contains
the party_id number for every party on the call. Each party
identifier corresponds to an entry in the extension list.
extension
list
Specifies the extension address of each party on the call.
Addresses of every local party on the call are provided for
alerting, connected, or queued parties. The address for
queued parties is the split extension of the queue. The
default trunk extension (#####) is provided for remote
parties.
call_id The call_id in the request.
UCID
(Universal
Call ID)
The UCID is included in the acknowledgment only if it exists,
and the “Send UCID to ASAI”
1
field is administered to ‘y’. It is
a unique tag assigned to each ECS call.