Dharmen- > Am currently using Audioscience cards with pjsip , with 8 incoming and 8 outgoing, > works like a beauty. I wouldn?t recommend those USB sound cards, had terrible > nightmares with them. Anyway they still might work so just my own 2 cents. Which specific ASI cards are you using? Thanks. -Jeff > Sounds like you are using OSS (it uses /dev/dsp*) , you need to install ALSA and > configure it properly, pjsip which uses portaudio requires ALSA if im not mistaken > and wont work with OSS. > > You can then assign input/output ports in the pjsip configuration files. There is > a command line utility in the samples directory called sndinfo-i686-pc-linux-gnu > which you can use to identify which channels of your sound card are accessible by > pjsip etc. > > If you install the cards with ALSA , you can type aplay ?l (L) or aplay ?L to > list the devices/sound cards that are connected. They will be something like > card0 , card1 , card2 etc. Once this is done correctly , you can > configure/install pjsip and then use the sndinfo to get the id of each card, > configure them in the pjsip.conf and it should work > > Regards > > ----------------------------------------------------------------------------------- > > From: pjsip-bounces@xxxxxxxxxxxxxxx [mailto:pjsip-bounces at lists.pjsip.org] On > Behalf Of Jeffrey Ross > Sent: Tuesday, March 23, 2010 12:34 PM > To: pjsip at lists.pjsip.org > Subject: Multiple sound cards and pjsip > > I wish to receive 10 mono voice channels connected directly into a remote machine > and have them sent via pjsip to my local machine. The local machine will send one > voice channel back to the remote machine. At present I'm investigating if I can > get 10 USB sound cards to work in Linux and to do so reliably. For testing I plan > to modify pjsua to specify a list of device names to be opened, eg /dev/dsp0, .. > /dev/dsp9. It looks like pjsua tries to open /dev/dsp (although I can't see where > it picks up that device name from). > Has anyone succeeded in getting multiple sound cards to work with pjsip? > Any hints?
