NEC NEAX2400 ICS, Руководство по программированию

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NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Page 245
Call Block C-150
C-150 Call Block
General Description
This feature is a part of Caller ID service. This feature restricts termination of incoming calls from the preassigned
calling numbers. This feature is available by designating the calling number by the MAT.
Call Block is used to restrict an incoming call that has a Restriction Number (Physical Station Number, telephone
number or the Caller ID number, which are preset by each station). The Restriction Number can be set or cancelled
at each station by using the access code or the feature key. The called station can send busy tone to the caller.
Operating Procedure
Using Access Code
To assign the Restriction Number (the latest incoming call is to be registered as the Restriction Number)
1. Lift the handset.
2. Dial the Access Code (ACC for registration of Restriction Number by the last incoming call).
3. Receive service set tone (SST). Note 1
4. The latest incoming call number is registered as the Restriction Number.
To assign the Restriction Number by dialing an optional number
1. Lift the handset.
2. Dial the Access Code (ACC for registration of Restriction Number by dialing an optional number).
3. Receive special dial tone (SPDT).
4. Dial the number to be restricted.
5. Receive service set tone after the preassigned inter-digit timer (default is 6 seconds). Note 1
6. The dialed number is registered as the Restriction Number.
To cancel the registered Restriction Number
1. Lift the handset.
2. Dial the Access Code (ACC for cancelling the Restriction Number).
3. Receive service set tone (SST).
Using Feature Key Note 2
1. Press the CALL BLOCK key when the station is idle, a call is terminating to the station, or when the
station is in a two-party connection.
2. The CALL BLOCK key lights red.
3. The latest incoming call number is registered as the Restriction Number.
To Set the Restriction Number
1. Press the CALL BLOCK key when the station is idle, a call is terminating to the station, or when the
station is in a two-party connection.
2. The latest calling number is displayed for 5 seconds on the LCD.
3. Press the CALL BLOCK set key (“*” or “#” key, depending on system data) while the number is
displayed.
4. The CALL BLOCK LED lights red.
5. The latest incoming call number (the physical station number or the received calling number) is registered
as the Restriction Number.