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NEAX2400 IPX Wireless Features and Specifications
NDA-24313, Issue 1
Page 55
ISDN Roaming I-41
I-41 ISDN Roaming
General Description
This feature allows PS to move to another PBX which has a different SYS-ID via Q.931a connection. The PBX
which PS can roam from/to is assigned Network Number (NWN). Network Number must be assigned as a unique
number for each network.
Operating Procedure
1. PS moves to another PBX which has a different SYS-ID.
2. PS registers its location automatically to the Home PBX at the Visitor PBX via Q.931a connection.
3. PS can originate a call from the Visitor PBX.
4. A call terminating to the PS is transferred from the Home PBX to the Visitor PBX via Q.931a connection.
Service Conditions
1. This feature is available for the Series 7300 software.
2. This feature is available between the PBXs which are connected via Q.931a.
3. PS in the Visitor PBX cannot move to another PBX via FCCS connection.
4. SMDR outputs the PS number instead of the account code when the PS is in the Visitor PBX.
5. In the Visitor PBX, PS cannot use supplementary services which need service access code. However,
TRANSFER, CALL HOLD and some ANNOUNCEMENT SERVICE are available.
6. If there is a TS between the Home PBX and Visitor PBX, the TS must also have the roaming feature.
7. CF - All Calls/Busy Line/PS Incoming Call Incomplete
a.) CF - All Calls - If PS assigns CF - All Calls at the Home PBX, all the terminating calls are
transferred. PS can also originate a call from the Visitor PBX.
b.) CF - Busy Line - If PS is busy in the Visitor PBX, the terminating call is transferred from the
Home PBX.
c.) CF - PS Incoming Call Incomplete - If call termination to PS is incomplete in the Visitor PBX,
the incoming call is transferred from the Home PBX.
8. In the Visitor PBX pseudo PS Physical Station Number (VISITOR PS PHYSICAL STATION NUMBER)
must be assigned by System Data. In addition, telephone number for visitor PS Physical Station Number
must be assigned.
Note:
Visitor PS Physical Station Number must be the number which is not used in the Visitor PBX for the other
Physical Station Number.
9. The maximum number of PS’s includes the number of visitor PS Physical Station Numbers.
10. Roaming PS cannot use Two-Line feature.
11. Roaming PS cannot use Voice Mail Indication (VMI) feature.
12. Roaming PS cannot use OAI features.