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Joined: Mar 2012
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I am using cisco rv180 routers and the phones register fine. The remote end can hear me fine, however no audio from the remote phone to the local phones.

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What kind of system are you using?

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os7400 with SMt-i5210 phones

Last edited by inspector754; 11/05/14 01:59 PM.
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MMC 838


Bobby Mreen
Communications Technician
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Found the issue. Isp on remote end was blocking ports 9000&up. They open the ports and normal operation was restored.


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