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NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Page 901
Distinctive Ringing - CCIS D-75
D-75 Distinctive Ringing - CCIS
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.
STN (a)
STN (b)
[Node B]
[Node A]
CCIS
CCIS
[Node C]
STN (c)
ATT
CCIS
[Node C]
RBT
STN (c)
RG
STN (a)
STN (b)
[Node B]
[Node A]
CCIS
ATT
Hold Tone