Eric "ManxPower" Wieling wrote:
*sigh* Any time a call hits an analog 2-wire circuit there will be
echo. In normal PSTN only situations the echo is so FAST that you do
not hear it. It is only where there is a high latency path in the
circuit like a VOIP phone where you will hear the echo.
Recording the call on Asterisk will not let you hear the echo because
there is no high latency portion of the circuit.
I'm fully aware of these facts. I only suggested this to help Ken
isolate whether is the echo on his PSTN side. He has been tuning his FXO
interface without results, which leads me to suspect he's got echo
elsewhere. Ken also left out what kind of phone he's using.
Ken should also read Cisco's excellent introduction on troubleshooting
echo problems:
http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a0080149a1f.shtml
Leo
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