[asterisk-users] SIP tunnel

[mosbah.abdelkader]

Hello,



I have the following situation: A firewall is blocking all SIP and RTP
traffic in the side of some of my clients. My clients cannot change settings
of the firewall.



I need to solve this problem and I need some help from you.



I have this idea: implement a SIP user agent which does not use well known
SIP ports (uses http port 80 for example) and use other ports that are not
blocked by the firewall for RTP (FTP, https, ssh, ...ports). Then, configure
Asterisk to use the same ports to interact with the client.



Is this idea feasible? if not what are the problems? please give me your
opinions about the situation?



Thank you.
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