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NDA-24305 CHAPTER 6
Page 247
Revision 1.0
CALL COMPLETION TO BUSY SUBSCRIBER (CCBS)
4. Station C dials the access code for CCBS; Station C receives Service Set Tone and hangs up.
5. Both Stations A and B hang up (i.e. Station B becomes idle); Station C rings.
6. Station C answers and receives Ring Back Tone; Station B rings.
7. Station B answers; Stations C and B are connected.
When using line/feature key:
Station C
Station A
Station B
[Node A] [Node B] [Node C]
Q-SIG/ Q-SIG/
SST
IS-11572 IS-11572
[Node A] [Node B] [Node C]
Q-SIG/ Q-SIG/
RG
Station A
Station B
Station C
IS-11572 IS-11572
Station C
[Node A] [Node B] [Node C]
Q-SIG/ Q-SIG/
RBT
Station A
Station B
RG
IS-11572 IS-11572
Station C
Station B
[Node A] [Node B] [Node C]
Q-SIG/ Q-SIG/
Station A
IS-11572 IS-11572