[Asterisk-Users] Re: Any work around for ISPs that block port ....

[barry at osvoip.net]

From: Joel Jn-Francois <joel at caribtrade.com> wrote:

>Any work around for ISPs that block port 5060 and 69

Is this in the US? The FCC just fined Madison River $15000 for blocking
VoIP traffic. Apparently it's illegal to do this.

original message:
>
> I have a several friends registered on my asterisk box that are experience
> problems with their ISP blocking SIP default ports 5060 and tftp port
> 69.  Is there any way around this problem or are they forever doomed to
> VOIP since their ISP is pretty much the only ISP company on that
> island.  So far I was able to have them change their default SIP port to
> 6070 and any packets coming in on that port on my asterisk box I would
> redirect to port 5060.  That seem to be working fine, expect that they can
> make calls but cannot receive calls.  I think part of the problem might be
> that when asterisk tries to initiate a call to their sip phone it tries on
> port 5060 instead of 6070 even though I have specified in the sip.conf
> that
> their port is 6070.  Has anyone else encountered this problem and was able
> to resolve it?  My other option is to change my asterisk box to work
> completely on a different port, but I am reluctant to do so since the
> majority of registered users for now do not have an issue with port 5060
> being blocked by their ISP.
>
> Thanks for your help.
>
> Joel
>