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QSIG B Private Networking
Administration for Network Connectivity
CID: 77730 555-233-504 — Issue 1 — April 2000
392
• Malicious Call Trace (MCT)
MCT is a feature that is performed on existing calls. MCT does not generate new
attendant seeking calls. MCT will work in QSIG-CAS provided the attendants
performing MCT-Activate, MCT-Control, and MCT-Deactivate are all on the
same PBX. That is, an attendant on the main cannot work with an attendant on the
branch to perform MCT.
• Multifrequency Signaling
Calls coming into a branch over Multifrequency trunks are subject to intercept and
may be sent to the attendant at the main. Multifrequency signaling can indicate
that an incoming call on an MF trunk terminate at the attendant, regardless of the
dialed extension.
• Night Service
Night Service is available to QSIG-CAS. If a branch PBX is in night service, then
all attendant-seeking calls for that branch are routed to the night service
destination, not the CAS attendant. If the main PBX is in night service, then all
attendant seeking calls at the main (either incoming from the main or branch) are
routed to the night service destination. The night service destination for a PBX
needs to be on that same PBX.
DEFINITY supports the following night service features:
~ Hunt Group Night Service — allows an attendant to assign a hunt group to
night service
~ Night Console Service — allows a console to be designated as the night
service destination
~ Night Station Service — allows a station to be designated as the night service
destination
~ Trunk Answer from Any Station (TAAS) — allows voice terminal users to
answer attendant seeking calls
~ Trunk Group Night Service — allows an attendant or designated night service
terminal user to assign one or more trunk groups to night service
• Non-attendant handling of CAS calls
Non-attendant handling of CAS calls functions as for RLT-CAS.
• Outgoing Trunk Queuing
Attendant-seeking calls from branch to main can be queued at the outgoing branch
trunk group.
• QSIG
All the existing QSIG features and services are available in QSIG-CAS.
QSIG-CAS is available in any QSIG-CAS ISDN network (PRI, BRI, and
PRI/ATM).
• QSIG Call Offer
Calls extended by the attendant can invoke Call Offer. If a call invokes Call Offer,
attendant return call procedures still apply.