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NEAX2400 IPX Feature Programming Manual
Page 104 NDA-24297, Issue 1
C-1 Call Back
C-1 Call Back
General Description
This feature provides the ability for a calling station that has dialed a busy station to dial a CALL BACK code. When
this has been done, the calling station will be rung as soon as the busy station becomes available, provided the calling
stationisalsoidle.
Operating Procedure
To set
1. Dial the desired telephone number; receive busy tone.
2. Press switch hook for special dial tone.
3. Dial CALL BACK code; receive service set tone.
4. Hang up.
5. When desired station becomes idle, calling station will ring. Upon answering, the called station will be
rung.
To cancel
1. Lift the handset; receive dial tone.
2. Dial CALL BACK cancel code; receive service set tone.
Service Conditions
1. If CALL BACK is not answered within 30 seconds, ringing will stop and CALL BACK will be
automatically cancelled.
2. As with certain other CLASS OF SERVICE - INDIVIDUAL [C-15] features, CALL BACK may be
assigned via feature class.
3. CALL BACK to a busy station won't occur if that station is in the LINE LOCKOUT [L-3] mode.
4. There is no time limit for CALL BACK. Once activated, it will remain in status memory until completed
or manually cancelled.
5. A station cannot activate CALL BACK to more than one station at a time.
6. A station cannot use CALL BACK and OUTGOING TRUNK QUEUING [O-2] at the same time.
7. When the calling station is called back, STATION HUNTING [S-7, 8, 9] and CALL PICKUP [C-7]
programming will be ignored.
8. There is no limit to the number of stations that may access this feature simultaneously.
9. A delay timer can be set in system programming, on a system-wide basis. This allows a station, to which
CALL BACK has been set, to initiate another call within a predetermined time period after becoming idle,
before the CALL BACK feature is activated. The delay timer can be set in multiples of 2 seconds for up
to a maximum of 14 seconds.
10. CALL BACK service cannot be set when FCCS links are all busy.
11. CALL BACK service that has already been set is automatically cancelled when FCCS links are all busy
at the moment the target station becomes idle.
Interactions
1. OUTGOING TRUNK QUEUING [O-2] and CALL BACK cannot be accessed simultaneously.