On Fri, 2006-06-02 at 22:49 +0200, Alejandro Vargas wrote: > 2006/6/2, Leon Sun <[EMAIL PROTECTED]>: > > 10$/channel > > If you are connecting a device that uses g729 with another that don't > support it... let's say it uses gsm. Then you will use 2 channels, one > for encoding and one for decoding. Is it? > >
one g729 license can encode, decode or both. The g729 consortium doesnt differentiate. However if you have 2 channels (ie call to A bridged to B) and asterisk is doing any translations between them then it will use a license for any translations that it does. Normally if A calls B via an asterisk box and both are g.729 then it just pushes bits and doesnt use a license. To create a contrived setup, lets say that A calls B both are g.729 and asterisk is playing some sound files in between, meaning its not just pushing bits but has to insert data, say from a gsm file which it must transcode, then it will use 2 licenses, one for each call leg. Although a meetme example would probably be better than what I just gave, but meh ... In other words the g729 consortium liceneses per channel, regardless of whether its encoding, decoding or both. A channel is typically an individual call leg. In your example, if you have 1 G.729 channel and one non-G.729 channel you should only need 1 license to handle that channel. The only time you would need 2 is if you have sound files in g.729 format that you are playing to both callers (or at least to the one that doesnt use g.729). Then you would need an additional G.729 license to decode that file. This probably just added to the confusion, I cant say ... -- Trixter http://www.0xdecafbad.com Bret McDanel Belfast IE +44 28 9099 6461 DE +49 801 777 555 3402 Utrecht NL +31 306 553058 US WA +1 360 207 0479 US NY +1 516 687 5200 FreeWorldDialup: 635378 http://www.trxtel.com/ We pay you to terminate calls with us!
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