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SIP3

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2glad4u

2glad4u

Technical User
May 22, 2011
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SG
Hi,

i'm having problem with our 3rd party sip phones, when we do a SIP to SIP call within the same system we hear an echo and its quite noticeable and can become annoying when you speak really loud. But, when you do a SIP to unistim phone, SIP to SIP from different systems, Nortel SIP to Nortel SIP the call is very clear and no echoes heard.

Suspect its the SIP phones itself and already escalate the problem to our 3rd party SIP phone vendor but i'm
just curious if anyone here have encountered a similar problem and can offer some advice.
 
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