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ASAI and Domain Control
5-20 Issue 7 May 1998
Third Party Merge
The adjunct requests that two calls (already existing at the domain-controlled
station) be merged.
Information Flow
The adjunct expects a response to its request.
The ECS either:
— Validates the parameters, sends an acknowledgement to the adjunct, and
merges the two calls, or
— Denies the request if the parameters are invalid
Third Party Merge Parameters
ACK (Positive Acknowledgement) Parameters
An acknowledgement is sent with a call identifier for the merged call (call_id), and
also, if present, with a UCID (Universal Call ID), a list of up to six party identifiers
for the parties on the call (party_id), and a list of up to six extensions of the parties
on the call to the controlling adjunct when the conference is complete.
common_
party_id
[ignored] Identifies the common endpoint with regard to the
merged call. This endpoint must have one call on hold and
one active (talking) state call.
call_id [mandatory] The held call_id to be merged with the active
call.
call_id2 [mandatory] The active call_id to be merged with the held
call.
conf/trans_
flag
[mandatory] The conf/trans_flag must be PRESENT. If set to
TRANSFER, the call transfers and the controlled station is
dropped from the call. The transfer operation merges the two
existing calls and drops the controlled station from the call.
An acknowledgement is sent to the controlling adjunct (with
party/extension information) when the transfer function is
successful.
If the conf/trans_flag is CONF, the call conferences. The
controlled station is retained in the resultant call.