[OpenSIPS-Users] How to overcome SIP ALG on Wi-Fi routers

[Adrian Georgescu]

+1

> On 02 May 2016, at 21:59, Russell Treleaven <rtreleaven at bunnykick.ca> wrote:
> 
> TCP works for me.
> On May 2, 2016 8:43 PM, "Nabeel" <nabeelshikder at gmail.com <mailto:nabeelshikder at gmail.com>> wrote:
> Thanks for the suggestions of using TLS or changing the port. I changed the port, but some routers are still able to mess with the SIP headers. I would have used TLS, if not for two reasons:
> 
> 1. ICE protocol was originally designed for UDP according to RFC5245, and it seems to work better with UDP.
> 
> 2. The SIP servers I have used (OpenSIPS and Repro) seem to be more stable with UDP compared to TLS (they do not randomly drop connections, throw unusual errors in the logs, etc.)
> 
> I may try TLS again, but it would be better if there is an alternative workaround for UDP.
> 
> On 2 May 2016 at 13:33, Patrick Wakano <pwakano at gmail.com <mailto:pwakano at gmail.com>> wrote:
> Using TLS!
> Also configuring your systems/devices to use other port than 5060 may do the trick...
> 
> On Mon, May 2, 2016 at 9:14 AM, Nabeel <nabeelshikder at gmail.com <mailto:nabeelshikder at gmail.com>> wrote:
> Hi,
> 
> Other than using rtpproxy/NAThelper modules, is there any way to bypass/workaround SIP ALG enabled on many WiFi routers? Although SIP ALG was designed to help with NAT, in most cases it does the opposite and breaks SIP.
> 
> Nabeel
> 
> 
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