Call Completion To Busy Subscriber (Ccbs) - NEC NEAX 2400 IPX Programming Manual

CALL COMPLETION TO BUSY SUBSCRIBER (CCBS)

C-148 CALL COMPLETION TO BUSY SUBSCRIBER (CCBS)
1. General Description
This feature allows an Inter-Office Call Back when the calling station and the called station respectively belong
to a different PBX in a Q-SIG network. This feature conforms to ETS 300 366.
Since the Series 7400 software program, CCBS conforming to IS-13870 is also available.
2. Operating Procedure
To set CCBS:
[When using the access code]
1. Station A and Station B are in station-to-station connection.
Station A
Station B
2. Station C dials the number for Station B; Station C receives Busy Tone.
Station A
Station B
3. Station C presses the switchhook or dials the last digit of the number for Station B; Station C receives
Special Dial Tone.
Station A
Station B
CHAPTER 6
Page 246
Revision 1.0
Q-SIG/
IS-11572
[Node A] [Node B]
Q-SIG/
IS-11572 IS-11572
[Node A] [Node B]
Q-SIG/
IS-11572
[Node A] [Node B]
NDA-24305
Q-SIG/
IS-11572
Station C
[Node C]
BT
Q-SIG/
Station C
[Node C]
SPDT
Q-SIG/
IS-11572
Station C
[Node C]