[Asterisk-Users] Transcoding

Martin Pycko martinp at digium.com
Sun Mar 2 12:35:20 MST 2003


Yes, asterisk does SIP to IAX/H323/PSTN/MGCP etc
and any other combination.

regards
Martin

On Sun, 2 Mar 2003, Thomas Jalsovsky wrote:

>
> Hello,
>
> 	Does asterisk do transcoding when the call goes
> through the system, codecs are the same but signaling protocol is changed.
> example:
> SIP with GSM ---> IAX with GSM
>
> 	What quality destruction happen when I use transcoding? I know
> this is not a concrete/precise question, but I would like to know how is
> it in general.
>
> 	What CPU performance is needed for transcoding 30 channels e.g.
> from GSM to g723.1 in general?
>
> 	Thanks in advance,
> 		Thomas
>
>
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