Also your Disk subsystem speed. having disk RAM , makes sense in your case.
On 9/10/07, Thomas Kenyon <[EMAIL PROTECTED]> wrote: > > Barton Fisher wrote: > > Thanks, OK, a bit confused.... The cards are TE410P. I really don't > > see how the set a codec for this, other than it might default to > > something in code like ulaw. Any clue on how to verify codec in use > > during a call? > > > G.711ulaw and G.711alaw are the audio transmission methods used for > ISDN. If you have a T1 line then the transmission method is G.711ulaw. > > I've been told that if you play a ulaw signal down an alaw line (T1 > signal down E1) then at the other end the voice sounds a bit like a > dalek. (Iit's very hard to do this with asterisk since it automatically > transcodes between endpoints). > > The lack of a performance hit is quite striking when you have a > recording playing back as a native format rather than being transcoded. > (well, it's quite striking when you have thousands of them running > simultaneously). > > > Bart > > > > Steve Totaro wrote: > >> Michiel van Baak wrote: > >> > >>> On 10:28, Sun 09 Sep 07, Barton Fisher wrote: > >>> > >>>> I have 4 TDM T1's going in to a IVR system. The IVR messages are > >>>> recorded .wav format - The system appears to crap out at about 40 > >>>> calls - Would using GSM or some other format help save CPU cycles? > >>>> Using 1.2, Dual Xeon and 2GB ram > >>>> > >>> depends on what codec the T1 is using. > >>> Best to transcode the ivr sounds to the same codec to > >>> prevent on-the-fly transcoding by asterisk. > >>> > >>> > >> The answer is going to ulaw or alaw depending where you live. T1 > >> should most likely be using ulaw so make everything ulaw, end to end. > >> > >> Thanks, > >> Steve Totaro > >> > >> _______________________________________________ > >> > >> Sign up now for AstriCon 2007! September 25-28th. > >> http://www.astricon.net/ > >> --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 > >> > >> > >> > >> __________ NOD32 2516 (20070909) Information __________ > >> > >> This message was checked by NOD32 antivirus system. > >> http://www.eset.com > >> > >> > >> > >> > > > > _______________________________________________ > > > > Sign up now for AstriCon 2007! September 25-28th. > http://www.astricon.net/ > > > > --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 > > _______________________________________________ > > Sign up now for AstriCon 2007! September 25-28th. > http://www.astricon.net/ > > --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 >
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