2009/2/25 Alejandro Cabrera Obed <aco1...@gmail.com> > But in my case, I don't need trascoding because every chanel is in GSM > and voicemail has gsm sound files. > > And for the moment, my Asterisk is not connected to the PSTN, so there > is no trascoding gsm-to-PCM or to analog. > > So I think gsm is a good choice for my scenario, do you ??? >
Hi Alejandro! Just to answer your question clearly: Yes, GSM would be a working option for your scenario. If you ever need G711 to connect to ISDN the transcoding should be no problem for a P4 class system and for example 30 ISDN-Lines. But what the others want to say is that buying new phones just to avoid paying for G729 licenses may not be a good idea as the licenses are quite cheap (US$10 for every transcoding you USE at the same time, NOT for every phone you have). I hope that answers your question. Christian
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