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T1 Channel Assignment
Trunk Type: In, Out, or 2-Way (recommended)
Channels Assigned: 24 (Enter partial channels if you wish to subscribe to
both voice and data service.)
Hunting: Most Idle, Least Idle, Ascend, Descend
DNIS Digits/Signal: 3/DTMF (can be 3 to 10 digits)
Caller ID Signal: DTMF, if available (Not every service provider provides
Caller ID over T1 lines.)
CSU/DSU Requirements
The CSU (channel service unit) is a device used to connect a digital trunk
line coming in from the phone company to the PBX. A CSU can terminate
signals, repeat signals and respond to loopback commands sent from the
central office.
Service Parameters for PRI
To subscribe to PRI service, certain parameters are required to establish
service. The information provided below identifies the recommended and
supported parameters for PRI service.
PRI Service Request Information
When ordering PRI service, provide the following service request
information:
Equipment Information
Product Manufacturer - AltiGen Communications, Inc.
Product Name - AltiServ PBX Phone System
CSU/DSU - ADTRAN T1 ACE (recommended) or other CSU/DSU
Technical Information for PRI with Voice
Switch Type:
• 5ESS (recommended)
• DMS (recommended)
• NI-2 (recommended)
• 4ESS
AltiWare OE System Installation & Administration Manual
Board Configuration
6-31
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Troubleshooting
