search for: audiable

...ond port does not echo at all simply suggests that carrier has a different arrangement of equipment. If they're a dedicated long-distance carrier they probably have echo cancellation active on all of their trunks all the time to compensate for the 'long distance' echos that would become audiable to ordinary callers. An interesting trick is to set up a T1 DID to answer with the echo() application. Try calling in to it from a regular land line - then try calling into it from a cellphone. In most cases cellphone calls pass through fairly heavy-duty cancellation and you'll find the artifi...

Hi. I've been playing a bit with "use sound card as an entropy source" idea. This simple program does what I wanted: http://people.freebsd.org/~pjd/misc/sndrand.tbz The program is very simple, it should be run with two arguments: % sndtest /dev/dspW 1048576 > rand.data This command will generate 1MB of random data. With my sound card: pcm0: <Intel ICH3 (82801CA)>

I'm experience echo on outgoing calls: Snom 200 ----> Asterisk ----> T100P ----> PRI ----> called party I am getting echo on the Snom 200 phone. The called party does not hear the echo. Since the PRI is digital, I don't really understand where the echo is coming from. I turned on echotraining, echocancellation=yes (128), and echowhenbridged in zapata.conf, to no avail.

Hi all, We have just installed a * server (CVS head) with a TE110P card and a IDSN20 line, we are using the GXP-2000 handsets running the latest firmware (.9). Some of the calls we are receiving have echo at the our end (we can hear ourselves speak). We have a traditional ISDN telephone system here as well and when I make a call from one of the handsets asterisk answers, directs the call to