Xcode ressources behind a firewall, what ports must be permit

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Mar 2nd, 2009
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Hi all,

I install a gateway 2821 to have a XCODE ressources, the gateway will be behind a firewall, anybody know please what ports must be permit in the firewall ? is the IP Phones witch will use the transcoder sessions communicate with the gateway directly with rtp for example or just with the callmanager ?


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Nicholas Matthews Mon, 03/02/2009 - 12:31
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Hi Momo,

You will need these ports:

TCP 2000 for SCCP

RTP 16384-32767 for audio

UDP 69 for TFTP

RTP stream is going to flow from the IP phone to the transcoder and back, and from the gateway to the transcoder and back.




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