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Voice over IP

Open Source Bridge Presentation

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It was a pleasure to speak this year at OSBridge (the best conference ever, by the way!).  Attached is the presentation and all of the files I used to cheat the clock for the install except the Asterisk source code.  You can get that from

Asterisk - Trunk Group Limits

I had a need to limit the number of calls sent out on a specific trunk, and wanted a generic way to do it.  I have been using this on Asterisk 1.6.1.x, but it may be supported on other versions.  At the core it uses GROUP and GROUP_COUNT functions.  Hopefully this will be of use to someone else.

Cisco voice command reference

This is a collection of commands to run on Cisco IOS platforms to help with troubleshooting voice connections. This is not a complete list, but just a few handy commands that I have used over the last few years.

Asterisk - Voicemail Password Restrictions

One of the new features in Asterisk 1.6.1 is the ability to launch an external application when someone wants to change their voicemail password.  This is most useful for administrators who want to enforce more strict password requirements.  Adding this option is as simple as:

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