Lucent Technologies 555-230-220 Third Party, Merge, Selective, Drop, Relinquish, Control, Listen

ASAI and Call Control

Third Party	This controlling capability enables the adjunct to direct the
Merge	ECS to merge two controlled calls at a specified station into
	one call on behalf of that party.
Third Party	This controlling capability enables the adjunct to direct the
Selective	ECS to drop a party from the controlled call (that is, a
Drop	transferred or conferenced call).
Third Party	This terminating capability enables the adjunct to relinquish
Relinquish	control of a specific call and direct the ECS to stop sending
Control	event reports for this call.
Third Party	This terminating capability enables the adjunct to direct the
Clear Call	ECS to disconnect all parties on a controlled call.
Third Party	This capability enables the adjunct to transmit a sequence of
Send DTMF	DTMF tones on behalf of a party on the call.
Signals
Third Party	This terminating capability is used by the ECS when all
Call Ended	parties on a controlled call are disconnected.
Redirect Call	This capability enables the adjunct to direct the ECS to
	redirect an alerting call away from the alerting station
	extension and route it to another number.
Third Party	This capability enables the adjunct to disconnect the path of
Listen	the listener on an active call.
Disconnect
Third Party	This capability enables the adjunct to reconnect the
Listen	listen-disconnected path of the listener on an active call.
Reconnect
Third Party	This capability enables the adjunct to add a device into an
Single-Step	existing call.
Conference
Event	See Chapter 3, ‘‘Event Reporting and U-Abort Capabilities.’’
Reports
U-Abort	See Chapter 3, ‘‘Event Reporting and U-Abort Capabilities.’’
(User Abort)

Call Control capabilities are accepted only when the call is in the proper call state with respect to the specified party. The following table specifies which call control requests are accepted and which are denied, depending on the state of the call or the affected party. In addition, the ECS restricts Call Control requests based on the call originator’s and destination’s Class of Restriction (COR).

4-2Issue 7 May 1998