CHAPTER 5
NDA-24305
Page 92
Revision 1.0
INTER-PBX COORDINATED STATION NUMBERING PLAN-PRI
I-27
INTER-PBX COORDINATED STATION NUMBERING PLAN-PRI
1. General Description
The INTER-PBX COORDINATED STATION NUMBERING PLAN-PRI [I-27] feature enables the Main-
Satellite network to coordinate the numbering plan for stations in the network. This feature allows a station at
one switch to call a station at another switch by dialing a unique 3- to 7-digit number with no access codes or
pauses for Dial Tone.
This feature can also be arranged to provide a centralized exchange network capability, which channels access
to and from the public network through a single system switch in the coordinated group.
2. Operating Procedure
This feature is used for the Main/Satellite configuration and may also be provided with main/tributary
configuration. Stations at the main and satellite may dial each other without an intervening Dial Tone. The
dialing plan for an inter-PBX call is the same as for an intra-PBX call. With this arrangement different initial
digits are assigned to stations on different systems.
All switches have a coordinated station numbering feature.
Example 1: A station user at the satellite switch dials 5XXX to call a station at the Main switch.
Example 2: A station user at the Main switch dials 3XXX to call a station at the Satellite switch and 4XXX to
call a station at the Tributary switch.
3. Programming
in this manual.
Satellite PBX
Tributary PBX
3XXX
4XXX
5XXX
Main
PBX
Tie Trunks
Attendant
Access PRI
Trunk
Summary of Contents for NEAX 2400 IPX
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