NEC NDA-24311 User Manual
NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
NDA-24311, Issue 1
Page 67
Inter-PBX Coordinated Station Numbering Plan - PRI
I-27
I-27 Inter-PBX Coordinated Station Numbering Plan -
PRI
General Description
The INTER-PBX COORDINATED STATION NUMBERING PLAN - PRI 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 three- to seven-digit number with no access codes or pauses for
dial tone.
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 three- to seven-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 NEAX2400 IPX switch in the coordinated group.
and from the public network through a single NEAX2400 IPX switch in the coordinated group.
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 can 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.
Stations at the main and satellite can 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.
Inter-PVX Coordinated Station Numbering Plan
All switches have a coordinated station numbering feature. (See the figure above.)
Example 1: A user at the satellite switch dials 5XXX to call a station at the main switch.
Example 2: A user at the main switch dials 3XXX to call a station at the satellite switch and 4XXX to call a station
Example 1: A user at the satellite switch dials 5XXX to call a station at the main switch.
Example 2: A 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.
Access PRI
Trunk
5XXX
Tie Trunks
Main
PBX
3XXX
4XXX
Satellite PBX
Tributary PBX
Attendant