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How to configure PRI circuits with a third party PBX


Various third party private branch exchange (PBX) systems can be configured using digital T1 interfaces or E1 interfaces on platforms using the High Density Voice Network Module (including Cisco 2600 and Cisco 3600 Series Routers), and those using Digital Voice Port Adapters (including Cisco 72xx, 7200VXR, and 75xx Series Routers).

For more information on configuring specific PBX systems, refer to the PBX Interoperability Guidelines and Troubleshooting Guides.

Problem Type

Ask a how to ... question

Hardware problems

How to ...

How to ... voice gateways

How to ... voice gateway hardware components

Failure Type

Cannot be configured correctly

End Where Problem is Heard or Device Type Involved

PSTN/PBX or voice gateway connected device

TDM Signaling Type


Version history
Revision #:
1 of 1
Last update:
‎06-22-2009 06:15 PM
Updated by: