CHAPTER 6 NDA-24305

Page 24 8

Revision 1.0

CALL COMPLETION TO BUSY SUBSCRIBER (CCBS)

1. Station A and Station B are in station-to-station connection.2. Station C dials the number for Station B; Station C receives Busy Tone.3. Station C presses the feature key for CCBS; Station C receives Service Set Tone and hangs up.
Station A
Station B
[Node A] [Node B] [Node C]
Q-SIG/ Q-SIG/
Station C
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Station C
Station A
Station B
[Node A] [Node B] [Node C]
Q-SIG/ Q-SIG/
BT
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Station C
Station A
Station B
[Node A] [Node B] [Node C]
Q-SIG/ Q-SIG/
SST
IS-11572 IS-11572