On Thu, 2006-02-16 at 14:58 +0200, yusuf wrote: > also doing IAX2 trunking. What do yuo mean you dont run asterisk out of > the box. Also want to know what is you bandwith usage for 100 calls and > g729
I run a modified version of asterisk. There are a few things that I felt needed to be added, changed, deleted, etc. With SIP I am using about 2.25Mbps for 100 calls. Asteriskguru.com's bandwidth calculator said that would be 2.3Mbps so its really close to what I saw. There are a variety of reasons why I averaged lower, but still less than 3% difference is very close and acceptable. With iax2 trunking asteriskguru.com's bandwidth calculator said that it should drop to about 0.8Mbps or about 1/3 that of SIP for that codec. That is a considerable savings and doesnt count the savings on the ATM layer (about 500kbps because of the 8 byte trailer per packet sent) not does it count a few other things. All in all its enough to justify playing with it to see if it works with this load. I was just concerned becuase I recall someone saying they had problems with > 20 calls trunked, although I didnt pay attention at the time and didnt catch the details. Zoa said that 60 per trunk works, or did for him, so that certainly counters what I remember being said not that long ago on this list. -- Trixter http://www.0xdecafbad.com Bret McDanel UK +44 870 340 4605 Germany +49 801 777 555 3402 US +1 360 207 0479 or +1 516 687 5200 FreeWorldDialup: 635378 http://www.sacaug.org/ Sacramento Asterisk Users Group
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