NEC NEAX2400 ICS, Руководство по программированию

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NEAX2400 IPX Feature Programming Manual
Page 1008
NDA-24297, Issue 1
S-52 Serial Call - CCIS
S-52 Serial Call - CCIS
General Description
This service feature is the Inter-Office serial call service to be provided when the ATTCON and the called party
respectively, belong to a different PBX (Main PBX Satellite PBX) in the CCIS network.
Operating Procedure
1. Station (c) in the Public Switched Telephone Network places a call to Node A and receives ringback tone.
The Attendant in Node A receives an audible tone.
2. The Attendant presses the ANSWER key and is connected with Station (c). The user at Station (c) asks
the Attendant to set up a connection first with Station (b1) and then with Station (b2) in Node B.
STN (c)
STN (a)
ATT
[Node A]
CCIS
[Node B]
CCIS
RBT
RG
PUBLIC
SWITCHED
TELEPHONE
NETWORK
STN (c)
STN (a)
ATT
[Node A]
CCIS
[Node B]
First: STN (b1)
Second: STN (b2)
STN (b1)
STN (b2)
1
2
PUBLIC
SWITCHED
TELEPHONE
NETWORK