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Hello, We've got an Asterisk server with a Digium TE110P card, connected to a Tadiran Coral Flexicom IPX 500 switch using a T1 card. We are having echo problems on the lines coming in from the Digium card. I was wondering if anybody is successfully using a Digium card and Asterisk with a Tadiran switch, and if so whether they could share some configuration information? Thanks! -...

...se adjustments made a difference, except adjusting gain made the echo quieter. We followed these instructions in trying to eliminate echo: http://www.asteriskdocs.org/modules/tinycontent/content/docbook/current/docs-html/x1695.html Our lines come in from the telco in a PRI, then connect to a Tadiran switch which hands the lines off to Asterisk over a T1 card. We have done loopback tests with the Digium card with a loop plug in it. We're a bit stumped as to what to try next. Any suggestions or advice? Thanks ---Scott.