Doug Lytle wrote:
Another question,
Is anybody using the Tellabs 2572 EC with a PRI. When we moved from
our analog lines to a PRI, I thought it would be simple stuff moving
the EC to the PRI. Changed signaling, made sure that channel 24 wasn't
being ECd and everything came up. But, I was getting complaints of
random echo on the PRI. Local echo. Also, we weren’t able to do any
kind of modem dial-outs (Adit 600 supplying the dialtone). Funny thing
is that inbound/outbound faxing was working fine.
Figured this one out.
The Tellabs cards that I've been purchasing have the send side echo
canceller (Option 38). This works great on analog lines, but apparently
won't work on a PRI. Turned it off and now I can use modems. Since
this was put into place over the weekend, it remains to be seen if it
takes care of the local echo.
Doug
-- Ben Franklin quote: "Those who would give up Essential Liberty to
purchase a little Temporary Safety, deserve neither Liberty nor Safety."
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