NEC NEAX2400 ICS, Руководство по программированию

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NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Page 713
Serial Call - Loop Release S-64
S-64 Serial Call - Loop Release
General Description
This feature allows an ATTENDANT CONSOLE loop key to become available after setting SERIAL CALL [S-15].
Operating Procedure
1. The Attendant answers an incoming Central Office call.
2. The Attendant extends the call to the desired station, and the desired station answers.
3. The Attendant presses the SC key. The loop is now available for another call.
4. The called station and the incoming call are connected.
5. The called station hangs up. The SC/RC lamp on the ATTENDANT CONSOLE flashes, indicating
INCOMING CALL IDENTIFICATION. If the Attendant position is available, an audible indication will
be provided.
6. The Attendant presses the SC/RC key or ANSWER key to return to the incoming calling party.
Service Conditions
1. This feature is available only for incoming Central Office trunk calls.
2. The Attendant can set SC/RC by pressing the SC key after answering the station.
3. The station can switch hook flash after setting SERIAL CALL-LOOP RELEASE.
4. It is not permitted to cancel SERIAL CALL-LOOP RELEASE before recall.
5. The Attendant loop will be maintained until the station is answered, even if the SC key is pressed. In this
case, the following features are not available:
CALL PICK-UP [C-7, 30]
CALL FORWARDING-DON’T ANSWER [C-3]
6. SERIAL CALL [S-15] recalling indication continues, even if the system status is changed from Day Mode
to Night Mode.
7. When this service is available, the ATTENDANT CONSOLE [A-3] cannot have a CCSA key.
8. When CALL WAITING-TERMINATING, CALL WAITING-ORIGINATING, ATTENDANT CAMP-
ON WITH TONE INDICATION or ATTENDANT CAMP-ON - CCIS is set to the station already
engaged in SERIAL CALL, the following conditions occur:
a.) If the station answers the overriding call, the previous party engaged in SC is placed on hold. If
the station releases and does not return to the held call, the Attendant is recalled.
b.) If the station does not answer the overriding call, Call Waiting or Attendant Camp-On is
activated.
9. When using the CCSA key on the DESK CONSOLE, an additional module is required.
Programming
ASYD
- System Data 1, Index 186, Bit 4 SERIAL CALL-LOOP RELEASE 0/1: Out (CCSA key) /In
Service (No CCSA key)
System Data 2, Index 2, Bit 5. Serial Call service for ATT: 0/1: Out/In service.
System Data 2, Index 7, Bit 2. SERIAL CALL-LOOP RELEASE. 0/1: Out/In service.
See SERIAL CALL [S-15] .