Page 10  01/2007 AMT/PTD/PBX/0062/1/2EN 
3  ABOUT THE IP DECT SERVICE 
3.1 GENERAL INFORMATION 
The IP DECT service is meant for NeXspan S/L/D, NCS, NeXspan 50 and NeXspan 500 PBXs. 
The IP DECT system contains the following items: 
♦ 
♦ 
♦ 
♦ 
♦ 
♦ 
♦ 
The mobile terminal which gives the user access to PBX telephony features 
The base station which provides radio coverage for a given area and supports eight 
simultaneous calls 
 The number of base stations to be installed in order to ensure full coverage on each site 
can only be determined after on-site radio study. 
OpenMobility Manager (OMM), which manages the service either on one of the radio 
fixed parts (main RFP), or on the Linux server PC  
A web interface (accessible through a dedicated URL), for managing the OMM 
configuration 
An iPBX, which manages all the calls, especially those passing through the IP network 
A GSI gateway associated with the iPBX which manages the SIP DECT STIMULI 
signalling interface with the OMM application. 
 
 
 
 
 
 
RFPs 
255 max
. 
 WEB interface 
NeXspan iPBX 
 GSI gateway
 
 
 
OMM 
(RFP in OMM mode) 
    
 
 
 
 
 
 
3.2  RULES AND LIMITATIONS FOR USE 
♦ 
One OMM interface per IP DECT network