I'm excited.
At the moment we're using aggressive echo cancellation - which is nice, and works - but it would be great to not have to complete kill the other person's voice when speak.
Looking forward to trying it a bit later...
Andrew
_________________________ On 24/06/2004, at 11:54 AM, Isamar Maia wrote:
Beside of problem of CallerID not working in several countries, what specially I still don't know if it's a X100P's limitation or Zap driver limitation, the major problem with this devices is no doubt the echo. If you guys can solve this with tdms and x100ps, it's gonna be a big step.
On Wed, 23 Jun 2004, Rich Adamson wrote:
Good news!
FYI, worked with Mark this afternoon to test changes needed to reduce or eliminate echo involving pstn calls on the new tdm fxo card (bug #1902).
Three simple source code changes (testing-only at this point) resulted in zero detectable echo on all incoming and outgoing tdm pstn calls, even in the first second or two. I've not noticed any unusual side effects at all. Since the changes were only to chan_zap.c, I'll have to guess it will improve the historic x100p echo issues as well, and probably other zap channels also.
The changes were associated with the echo cancel routines, but as a non-programmer, I'm not sure what these changes really do (other than the end result).
If these changes prove to be successfull, then Mark is going to make them configurable options somewhere. Got'a love it.
Rich
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