Posts Tagged ‘VoIP’

Multi-account VoIP providers

Wednesday, January 14th, 2009

In some cases one would like to be able to connect multiple SIP/IAX accounts to the same upstream server. Each account may have differing creditials etc and this can (with asterisk at least) create some authentication issues. Fortunately there exists some “solutions”.


Hooking cell phones up to your (IP) PBX

Sunday, November 30th, 2008

I recently got overly annoyed with both the office phone and my cell phone going off on me at the same time. Then I bumped into chan_mobile. Now I have some nasty ideas. Why not use bluetooth to automatically hook your cellphone up to the PBX whenever you walk into the office? Sounds hard? Well, as a matter of fact, it’s not.


A strategy for recording calls and minimizing g729 license usage

Saturday, September 6th, 2008

When making recordings of g729 channels at least two decoders will be used. This means that if you have 10 licenses you can have a maximum concurrency of 5 calls going through your system that is being recorded. For anything but the smallest of switches this is not acceptable.

In addition, recording to .wav is a rather space-consuming process. Instead, we’d like to minimize the g729 license usage, as well as optimizing disk-consumption.