NEC NEAX2400 ICS, Руководство по программированию

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NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Page 1021
Step Call - CCIS S-59
S-59 Step Call - CCIS
General Description
This service feature allows Inter-Office Step Call when the calling station and the called station belong to different
PBX’s in the CCIS network.
Operating Procedure
1. While Station (a1) and (b1) are engaging in a call, Station (a2) goes off-hook and receives dial tone.
2. Station (a2) dials No. 2220 for Station (b1) and receives busy tone.
3. Station (a2) dials the lowest digit of the number (‘5’ of N= 2225) of Station (b2) and receives ringback
tone while Station (b2) is rung.
4. Station (b2) answers and is connected with Station (a2).
Service Conditions
1. This service feature can be provided for all stations and the ATTENDANT CONSOLE(s) [A-3].
2. STEP CALLING can be in any order, 1-9 or 9-1.
STN (a1)
STN (a2)
[Node A]
[Node B]
CCIS
DT
STN (b1): 2220
STN (b2): 2225
D
T
STN (a1)
STN (a2)
[Node A]
[Node B]
CCIS
BT
STN (b1): 2220
STN (b2): 2225
2220
CCIS
[Node A]
[Node B]
STN (b1): 2220
STN (b2): 2225
RBT
RG
CCIS
[Node A]
[Node B]
STN (b1): 2220
STN (b2): 2225
STN (a2)
STN (a1)