NEC UNIVERGE NEAX 2000 IPS - Manual (Page 326)

Chapter 16 Wireless System
Page 16-4 UNIVERGE NEAX 2000 IPS Request for Proposal (RFP) Reference Guide
Issue 6
Multi-Site Roaming
In a mixed network of both U NIVERGE NEAX 2400 IPX and U NIVERGE NEAX 2000 IPS systems or a
network of U NIVERGE NEAX 2000 IPS systems supporting wireless users in a private network, some
users may desire the ability to take their handsets from one site to the other and still remain in touch
with those who are calling. Dterm PS III users can originate or receive a call in any place of a network
provided by the plural PBXs which are interfaced by JT-Q931-a, common wireless roaming protocol for
network wide roaming capabilities.
Configuration Application: Integrated Type and Adjunct Type with CCIS interface
Service Conditions
1. A roaming service network can be provided by maximum 512 PBXs.
2. One AP00B card for Data Base Module (DBM) is required per PBX.
3. An AP00B DBM-C is required when accommodating 257 or more PS’s per site.
4. Visitor Location Register (VLR) information for maximum 512 Visitor PSs can be recorded to a
system. When the VLR information exceeds for more than 512 Visitor PSs, AP00 deletes the
oldest VLR information in the system.
5. When a call terminates to a Multiline Terminal from a PS, the ringing of the Multiline Terminal is as
follows, regardless of Home PS or Visitor PS:
When the PS is under control of the same PBX: Ringing for Internal call
When the PS is under control of the other PBX: Ringing for External call
6. When the Home PS is roaming, the Home PBX cannot route Announcement-PS No Answer /-PS
Out of Zone to the calling party. If the Visitor PBX allowed it will inform the Home PBX that the PS
cannot answer, the Home PBX activates Call Forwarding-Not Available.
7. Billing of Home PS is executed to its Virtual LC Number.
8. While the Home PS is roaming, billing information cannot be recorded.
9. The Visitor PS can allow following service features.
Originating a call to a station of the same office
Originating a call to a station of the different office
Terminating a call from a roaming trunk
PS Exclusive Hold
Call Forwarding
10. The visitor PS cannot allow Calling Name Display.
11. Maximum 64 Visitor PSs can originate or receive a call in a network at the same time.
12. The Visitor PS can answer a call only from the roaming trunk.
13. Billing of Visitor PS is executed to its Virtual LC Number.
14. Billing information for the Visitor PS can be recorded only when the Visitor PS originates a call.