[Asterisk-Users] NAT and * - SIP Multiple login timeout

[Andres]

>
>They are logging in with different ports.  Could asterisk be lying and
>actually giving them the same port? or getting confused?  can i specify what
>source port the phone uses on the asterisk box? or is this something that
>has to be done on the phone?
>
>  
>
The source ports have to be configured on the phones.  The problem is in 
your NAT device, not Asterisk, thus using different ports is a 
workaround to fix the issue.

-- 
Andres
Network Admin
http://www.telesip.net