Not true... You can provided you disable data compression (AT&K0) on your modem. Reason? Because a codec is already compressed. Adding compression at the modem level to an already compressed bitstream == lost bits. I call all over the world all the time using asterisk/sip/ulaw with decent bit rates.
Alex Balashov wrote: > Without getting into a lot of detail, this will not work. Period. > You just can't do reliable modem passthrough with VoIP in most cases, > some clever proprietary hacks notwithstanding. > > To the extent it is possible, nobody is going to "send you the > procedure.". This list is for specific answers to specific questions. > > -- > Sent from mobile device > > On Jun 29, 2009, at 10:47 AM, Vidura Senadeera <vidura...@gmail.com > <mailto:vidura...@gmail.com>> wrote: > >> Hellow, >> >> / I have a problem with dial up signalling. currently I have >> configured asterisk server and E1 card to ISP. then other side I am >> having ATA to PC for connecting internet through DialUP connection. >> is it possible and please send me the procedure how I can do it ?? / >> >> ISP< <-> Asterisk <-> ATA <-> DIALUP >> -- >> Thanks & Regards, >> Vidura Senadeera, >> Sri Lanka. >> msn/yahoo/skype Ids - vidurased >> _______________________________________________ >> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >> >> asterisk-users mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-users > ------------------------------------------------------------------------ > > _______________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users