Echo is not something introduced by VoIP. True echo is an analog imbalance typically at the gateway / pots provider.
If you don't use POTS into a gateway you need to determine if this is really echo or if this is jitter or something different. Mike From: sipx-users-boun...@list.sipfoundry.org [mailto:sipx-users-boun...@list.sipfoundry.org] On Behalf Of Jermaine Pinder Sent: Friday, May 14, 2010 7:12 AM To: sipx-users@list.sipfoundry.org Subject: [sipx-users] Polycom IP HD 550 echo problem I have 10 Polycom HD 550 phones, latest boot-rom and firmware 3.23 running on sipx 4.2 that have "echo" problems sporadically. How can I turn off echo and any suggestions how to solve the problem? Thanks
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