ASAI and Call Control
Third Party Merge
The adjunct uses this controlling capability to merge (for example, conference or transfer at a specified station) two existing controlled calls into a single call on behalf of an
NOTE:
This only works if one call is on hold while the other is active (alerting, queued, held, or connected).
Information Flow
The adjunct expects a response to its request.
The ECS either:
—Merges the two calls after it has validated the parameters, or
—Denies the request if the calls and specified station are not specified or are not in the correct state
Third Party Merge Parameters
common_ | [mandatory] Identifies the common endpoint with regard to |
party_id | the held call. This station must have a call on hold and one |
| active (talking) state call. |
call_id | [mandatory] The call_id of the active call. |
conf/trans_ | [mandatory] The type of merge (Conference/Transfer) is set |
flag | with this parameter. |
| If the flag is set to TRANSFER, the calls are merged and the |
| common party is dropped from the call. The transfer |
| operation merges the two existing calls and drops the |
| common party from the call. |
| If the conf/trans_flag is set to CONFERENCE, the calls are |
| merged together and the common party is retained in the |
| resultant call. |
ACK (Positive Acknowledgement) Parameters
The ECS replies with a call identifier for the merged call (call_id), UCID (Universal Call ID) for the merged call, if available, 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.
