Ciso VT Advantage, RTP and firewall

Unanswered Question


I have a strange problem with my ephones with enabled VT Advantage. Ephone always setup RTP stream using UDP port 1684. I setup VT Advanate, and after that I found that ephone use random UDP port for RTP. How can I set one ore some port range for it? I don't want to permit all UDP packets to/from ephones for security reasons.

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gogasca Sun, 05/31/2009 - 00:25
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Are they IP Communicator?

or which phone model?

IP Phones SCCP we cannot select which port to use, only IP Communicator or IP Phone running SIP.

Are you sure that RTP is not video?


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