An amendment to my previous e-mail, the Digium card supports 92 channels of G723.1 but up to 120 of G729. Both Digium and Sangoma cards do not require additional licensing for any codec.
Moises Silva Senior Software Engineer Sangoma Technologies Inc. | NEW 100 Renfrew Drive, Suite 100, Markham ON L3R 9R6 Canada t. 1 905 474 1990 x128 | e. [email protected] On Sat, Aug 28, 2010 at 1:17 PM, Moises Silva <[email protected]>wrote: > Hello Stephan, > > My opinion will be seen as obviously biased as I work for Sangoma and I > wrote the codec module for the D100 in Asterisk and FreeSWITCH. However, I > also know the Digium card as I wrote the codec module for the Digium card to > work in FreeSWITCH. > > I will give you some facts that will help you to decide, facts are never > subjective, so I won't tell you about "quality" of the voice or "stability" > of Asterisk, both depend on the scenario and perception of the customer and > in my opinion both work very well in those areas. > > The Digium TCE400B supports G729 and G723.1 codecs and only up to 92 > channels. Sangoma D100 support up to 400 of any combination of > ulaw,alaw,g729,gsm and g726. More codecs to come in the near future (G723.1 > for example is just a few weeks ahead). > > Additionally, the same D100 can be used from multiple boxes. That is, you > can have several Linux/Asterisk servers where only 1 server has the D100 > card, but still, the other servers are capable of using the D100 transcoding > resources (this is done through special HTTP SOAP requests and RTP). The > same can be done using FreeSWITCH. > > I hope that helps, > > Moises Silva > Senior Software Engineer > Sangoma Technologies Inc. | NEW 100 Renfrew Drive, Suite 100, Markham ON > L3R 9R6 Canada > t. 1 905 474 1990 x128 | e. [email protected] > > > > On Thu, Aug 26, 2010 at 10:40 PM, Stephan Monette > <[email protected]>wrote: > >> Everyone, >> >> Has anyone used and tested the transcoding cards from Digium (TCE400B) and >> Sangoma (D100)? >> >> I can't remember if someone ever posted test results using the transcoding >> cards. >> >> How's the voice quality and stability of the Asterisk system with the >> cards (SIP & IAX2). >> >> Any DTMF issues with the cards? >> >> Which version of Asterisk were you testing with the cards? >> >> We currently are using our telephone switch internal G.729 DSP cards to >> handle transcoding, but I would prefer to transcode right from our border >> gateways instead and increase the call capacity from our carrier class >> telephone switch. >> >> I'm looking to purchase about 15 new transcoding cards with 120 channels >> capacity on each card and I want to hear back from existing users on how >> well the card runs before I spend a big load of cash on them. >> >> If we decide to go ahead purchasing the cards, I will send another email >> to the BIZ list with pricing requests. But I just want to hear test results >> and feedback for now. >> >> If you have something good to say about the cards, I invite you to reply >> to the list. If not, reply to me privately instead. >> >> Thank you, >> >> Stephan Monette >> Unlimitel Inc. >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> >> >
