Calculating VoIP Bandwidth requirements

January 22nd, 2009

I’ve racked my head a few times now trying to calculate how big a pipe I need for various call concurrencies.  So I’ve decided it’s finally time to sit down and do the calculations for both SIP/RTP and IAX2.

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Multi-account VoIP providers

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”.

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The horrors of moving office

December 23rd, 2008

So I had the privilege of moving offices recently.  In fact, December has pretty much been dedicated to getting moving.  So where shall I begin …

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A bust network “not our fault”

December 15th, 2008

So … I had the privilege of receiving an ADSL line that is about as bust as a set of lines at one of my clients. And now Telkom wants to charge me a callout charge if “the problem is not on their network”.

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