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D-75
General Description
This service feature allows Inter-Office Distinctive Ringing for a call terminated from a different PBX in the CCIS
network.
Operating Procedure
1.
Station (c) and the Attendant in Node A are engaging in a call.
2.
The Attendant dials the number for Station (b); receives ringback tone. Station (c) receives Hold Tone,
and Station (b) is rung (Distinctive Ringing).
Service Conditions
1.
Ring for Incoming Internal Calls on CCIS network:
2-seconds on
4-seconds off
2-seconds ring
4-seconds off
2.
Ring for Incoming External Calls on CCIS network:
1-second on
2-second off or 2-second on
4-second off
3.
This feature may be assigned to individual trunk routes via system data programming.
NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Distinctive Ringing - CCIS
Distinctive Ringing - CCIS
ATT
STN (a)
[Node A]
Hold Tone
ATT
STN (a)
[Node A]
STN (c)
[Node C]
CCIS
CCIS
[Node B]
STN (c)
[Node C]
RG
RBT
CCIS
CCIS
[Node B]
STN (b)
STN (b)
D-75
Page 901
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