Instruction manual

QSIG
Issue 4 May 2003 147555-233-767
Call Independent Signaling Connections (CISC)
Call Independent Signaling Connections (CISC) are used to pass QSIG
supplementary service information that is independent of an active call between
two QSIG compliant nodes. Implementation is based on the ISO standard for
CISC. It is possible to determine the status of a QSIG TSC by using the “status
signaling group” command on the SAT.
Call offer
This feature, on request from the calling-user (or on that user’s behalf), enables a
call to:
■ Be offered to a busy called-user
■ Wait for a busy called-user to accept the call when the necessary resources
have become available
Call transfer
QSIG call transfer differs from the standard Communication Manager transfer
feature in that additional call information is available for the connected parties
after the transfer completes. However, the information is only sent for QSIG
trunks. If one call is local to the transferring switch, that user receives the name of
the party at the far end.
Called name ID
The QSIG called name feature presents the called party’s name on the calling
party’s display while the call is ringing. It then reverts to “connected name” when
answered.
Centralized Attendant Service (CAS)
Provides you with the capability to have all your attendants in one location,
serving users in multiple locations. QSIG CAS does not utilize separate Release
Link Trunks (RLT). This feature will not restrict calls from going out over
non-QSIG trunks; however, the full functionality of the QSIG CAS will not be
available.
Attendant display of Class of Restriction (COR)
While on a call, the attendant can press a “COR display” button to see the class of
restriction of the user. The attendant will not block the transfer of the restricted
line to the user. This feature is used for informational purposes only.