[Asterisk-Users] Echo on incoming calls (PRI->SIP) but not on outgoing (SIP->PRI)

[fredrik.hedberg at telavox.se]

Hello all!
 We have an E400P on a dual Xeon box with four EuroISDN PRI to the PSTN
and Cisco ATA-186 as SIP UA.  We experience very large amount of echo (on -some- calls) when we're
doing PRI->SIP calls but not when doing SIP->PRI calls.
 We don't think the problem is IP latency related (When calls are made
PRI->*->PRI we still experience the echo). What do you think?  Regards
Fredrik Hedberg
 

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