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SIP registration PORTS

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Wolfdzn

Wolfdzn

IS-IT--Management
Dec 11, 2013
98
CA
Sip port is 5060 in Avaya 9600 phones, however in user registration under simultaneous phone is registered with random ports? Any idea why phones are registered with random ports instead of 5060.

Example.

Extension 1001 192.268.3.90:44918
Extension 1002. 192.168.3.91:57257

 
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5060 is the destination port, source port is a random high port as per RFC 6335 (also called ephemeral)
 
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