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FreePBX 5.211.65-21 and Cisco 7970G OSS Templating

FreePBX is an awesome asterisk front-end that allows one to setup asterisk as a fully functional PBX very quickly. Schmooze has its own commercially supported endpoint manager module, but even that doesn’t have proper support for the older Cisco VOIP phones. The free community-driven OSS Endpoint Manager does have support for the 7960 which is abundant in many environments and the “Deluxe” model 7970G.
After Fiddling around for a while with the OSS Endpoint manager it became painfully obvious that the 7960 support was somewhat lacking and the support for the 7970G was virtually nonexistent even though the template is there. The included template for the 7970G doesn’t work even for the firmware its supposedly made for ( 8.0(3) ) and doesn’t work for the newer firmware revisions.
I thought this requires correction and started to write an 8.5(4) and 9.4(2) compatible templates. This took a few days since I lack access to a CUCM system from where to pull examples and the information around the internet was scarce at best.
After a lot of trial and error, I’ve managed to produce a working OSS Endpoint Manager Template for the 9.4(2) and 8.5(4) firmware versions which are the newest in their respective major release versions.
The additional things one needs is the tzupdater.jar from oracle java downloads and to enable TCP in asterisk. One also needs to set the extension nat=no and transport all, prefer UDP.

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Published on: Mar 03, 2021

Categories: Web Development

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