On 12.02.2018 20:15, Raman Gupta wrote: > When I start Zoiper with PULSE_PROP="filter.want=echo-cancel", it > demonstrates some odd behavior. It ends up creating many Echo-Cancel > Sink and Source streams, and I am unable to select my USB headset as > the source of any of them. > > I think, based on the discussion around a recent crasher bug I > reported, Zoiper is trying to be too clever, without being clever > enough, and is actually trying to open up various streams to all of > the Pulse Input and Output devices. Is this just a Zoiper issue, or is > there something I can do on the Pulse side to solve this? > > I think one option is load the echo-cancellation module once in > /etc/pulse/default.pa and then use the volume control to manually hook > up Zoiper to that module. > > Regards, > Raman > _______________________________________________ Hi, can't you tell zoiper which devices to use? And can you provide a log (beginning when you start zoiper) so that we can see what actually happens? Regards             Georg