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Which are the TCP/UDP port numbers of h323 protocol?

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Jun 24th, 2002
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What are tcp/udp port numbers of the h323 protocol to be measure for netflow application.




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Anonymous (not verified) Mon, 06/24/2002 - 14:38
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H.225 uses TCP 1718, 1719, 1720.


H.245 uses TCP 11000 to 65535.


H.323 uses UDP 16384-32767.


An inside caller initiates a TCP connection to the client on the outside on port 1720.

The two devices negotiate for a second TCP session, During the second TCP session, the clients negotiate on UDP ports.







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