NEC NEAX2400 ICS, Руководство по программированию

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NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Page 911
Executive Right-of-Way - CCIS E-8
E-8 Executive Right-of-Way - CCIS
General Description
This service feature allows Inter-Office Executive Right-of-Way when the bridging-in station and the bridged
station respectively, belong to a different PBX in the CCIS network.
Operating Procedure
1. While Stations A and B are engaging in a call, Station C goes off-hook and receives dial tone.
2. Station C dials the number for Station B and receives busy tone.
3. Station C switch hook flashes and receives special dial tone.
4. Station C dials the Executive Right-of-Way access Code; Stations A, B and C receive Warning Tone.
Station C is added to the connection between Stations A and B, making it a 3-Way connection.
[Node A]
CCIS
[Node B]
STN (b)
D
T
STN (a)
STN (c)
DT
[Node A]
CCIS
[Node B]
STN (b)
B
T
STN (a)
STN (c)
BT
[Node A]
CCIS
[Node B]
STN (b)
S
P
D
T STN (a)
STN (c)
SPDT
DCFT
[Node A]
CCIS
[Node B]
STN (b) STN (a)
STN (c)