On 05/05/2007, at 11:14 PM, Hans Petter Selasky wrote:
Have you ever heard about ISDN4BSD: http://www.turbocat.net/~hselasky/isdn4bsd
We still have significant echo on our existing Asterisk installation on around one in every ten calls. We've tried a range of tweaks to the zaptel config and are running the current everything from ports.
I've been thinking of moving to ISDN only for the possibility that echo will be much less by removing the analogue part of the loop. Do others have experience with echo and ISDN4BSD? Is it an improvement over zaptel? How much difference does the card itself make? Are the HFC cards better or worse in this regard?
Alternatively I guess I could wait for further zaptel updates to come down the line, but I don't know if they will help the situation.
Cheers Ari Maniatis --------------------------> ish http://www.ish.com.au Level 1, 30 Wilson Street Newtown 2042 Australia phone +61 2 9550 5001 fax +61 2 9550 4001 GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
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