NEC NDA-24311 Manuale Utente
NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
NDA-24311, Issue 1
Page 141
Calling Party Recognition Service (CF - All Calls/Busy Line/Don’t Answer)
C-103
C-103
Calling Party Recognition Service (CF - All
Calls/Busy Line/Don’t Answer)
General Description
With existing services, like CALL FOWARDING - ALL CALLS [C-5], CALL FORWARDING - BUSY LINE
[C-2], and CALL FORWARDING - DON’T ANSWER [C-3], all terminating calls are forwarded to a
predetermined station. In ISDN, a forwarded-to station can be changed according to the calling station number.
Since the calling telephone number is provided by the Central Office, this service can provide variable forwarded-
to telephone numbers, depending upon the calling party telephone number.
[C-2], and CALL FORWARDING - DON’T ANSWER [C-3], all terminating calls are forwarded to a
predetermined station. In ISDN, a forwarded-to station can be changed according to the calling station number.
Since the calling telephone number is provided by the Central Office, this service can provide variable forwarded-
to telephone numbers, depending upon the calling party telephone number.
Operating Procedure
When users dial their own telephone numbers as the target telephone number after dialing CALL FORWARDING
- ALL CALLS - PRI [C-95] access code, CALLING PARTY RECOGNITION SERVICES (DIRECT-IN
TERMINATION (DIT)) [C-104] is activated.
- ALL CALLS - PRI [C-95] access code, CALLING PARTY RECOGNITION SERVICES (DIRECT-IN
TERMINATION (DIT)) [C-104] is activated.
Service Conditions
1.
The feature is available only when a call is incoming to the station directly from the PRI-DID line. It is
not applicable to calls incoming from the PRI line via an Attendant Console.
not applicable to calls incoming from the PRI line via an Attendant Console.
2.
Calls can be forwarded up to five times when MULTIPLE CALL FORWARDING [M-40, M-41, M-42]
features are provided.
features are provided.
3.
When the called station has set CALLING PARTY RECOGNITION SERVICE (DIRECT-IN
TERMINATION (DIT)) [C-104] and CALL FORWARDING - BUSY LINE [C-2], incoming calls are
forwarded to the destination station providing the forwarding station is busy, DND, or in lockout.
TERMINATION (DIT)) [C-104] and CALL FORWARDING - BUSY LINE [C-2], incoming calls are
forwarded to the destination station providing the forwarding station is busy, DND, or in lockout.
4.
When the called station has set CALLING PARTY RECOGNITION SERVICE (DIRECT-IN
TERMINATION (DIT)) [C-104] and CALL FORWARDING - DON’T ANSWER [C-3], incoming calls
not answered are forwarded to the destination station.
TERMINATION (DIT)) [C-104] and CALL FORWARDING - DON’T ANSWER [C-3], incoming calls
not answered are forwarded to the destination station.
5.
For the procedure on setting/cancelling of call forwarding features, refer to System Operations Manual.
6.
This service is not available when the destination telephone number exceeds 13 digits.