[Asterisk-Users] Transcoding

Thomas Jalsovsky thomasj at eworld.hu
Mon Mar 3 03:14:17 MST 2003


Hello Martin,

        I  know  that  transcoding  is  possible,  I had some concrete
questions...
        Can you help me with those questions?

        Thomas

Sunday, March 2, 2003, 8:35:20 PM, you wrote:

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

MP> regards
MP> Martin

MP> 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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