Archive for the ‘VoIP’ Category

Asterisk – bri_net_ptmp

Thursday, September 16th, 2010

I recently needed to do some testing and required a bri_net_ptmp mode running on asterisk to connect another asterisk to. Needless to say, bumping into “How cool would it be if someone implemented this mode! For now, sucks for you.” is NOT fun.

South Africa and Asterisk (DAHDI)

Tuesday, March 9th, 2010

So after strugling a LOT to make some ISDN equipment work, I figured I better write some of it down.

Is asterisk ready for a fork?

Wednesday, January 27th, 2010

It is with a heavy heart that I start writing this entry. I’ve always enjoyed working with asterisk after overcoming an initial (unfounded) fear of it, in part due to the words from a relatively brilliant ex-coleage of mine from my days working at Techteam (CS dept at the University of Pretoria). It’s a mind-bending experience, to say the least, fun and requires a decent amount of intuition. However, recently I’ve been realizing that the current state of affairs is oh so very far from ideal. (more…)

Broadband … really?

Tuesday, March 10th, 2009

How does one define broadband?  Is it all defined around throuput?  Latency?  Between which endpoints?  Using ADSL currently one can expect a local latency of around 30ms to anywhere within SA, and depending on whether you’ve got a SAIX (Fibre) or IS (both Fibre and Satellite) you can expect anything between 300ms and 800ms to international destinations (obviously depending on the exact geographical location and the type/distance of the peerings being used).