1.13 P
250 Feature Manual
[Enhanced Service Table]
Feature Manual References
1.9.16 ISDN (INTEGRATED SERVICES DIGITAL NETWORK) FEATURES
1.13.13 PRIVATE NETWORK FEATURES
1.13.19 Private Network Features—QSIG—CCBS (Completion of
Calls to Busy Subscriber)
Description
If the call has been made to an extension in another PBX in the QSIG network and the called party is busy,
an extension user can set to receive callback ringing when the called party becomes free. When the user
answers the callback ringing, that party's number is automatically dialed.
Call Forwarding (CF)—by QSIG Forwards a call to the QSIG network.
→ 1.13.20 Private Network Features—QSIG—CF (Call Forwarding)
Call Transfer (CT)—by QSIG Transfers a call to the QSIG network.
→ 1.13.22 Private Network Features—QSIG—CT (Call Transfer)
Completion of Calls to Busy
Subscriber (CCBS)—by QSIG
Receives callback ringing when a busy called party on the QSIG
network becomes free.
→ 1.13.19 Private Network Features—QSIG—CCBS (Completion of
Calls to Busy Subscriber)
Service Description & Reference
Network Direct Station
Selection (NDSS)
Allows the extensions connected to up to seven other PBXs in a
network to be monitored, as well as the transferring of calls to those
extensions with one touch.
→ 1.13.15 Private Network Features—NDSS (Network Direct Station
Selection)
Centralized Voice Mail Allows up to 8 PBXs to share the services of a VPS connected to
another PBX in DPT integration. This VPS can provide voice mail for
extensions attached to any of the PBXs in the network.
→ 1.13.14 Private Network Features—Centralized Voice Mail
Service Description & Reference