Howto:FXS FXO trunk with IP22 media gateway and Cisco 1700 router
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This article describes how to realize an analog trunk using Innovaphone FXS media gateway and Cisco router.
Applies To
This information applies to
- IP 22, V7
Build 09-70300.14 and later.
More Information
Problem Details
In this case Innovaphone IP22 is used like FXS media gateway with a Cisco 1700 Router to realize an analog PBX extension over an IP network.
Installation
Configuration
Connect devices as show in figure. Cisco FXO gateway must forward incoming calls to IP22. This automatic mechanism is realized with PLAR OPX feature. The private line automatic ringdown Off-Premises extension allows remote FXS devices to appear to a central PBX as a directly connected extension.