[OpenSIPS-Users] Advice on OpenSIPS capabilities

[Mike O'Connor]

Hi Dennis

You would need to test this but it possible that opensips and mediaproxy
might help, as these two things setup correctly do rewrite SDP and SIP
packets to fix NAT issues.

Mike

On 4/05/10 3:17 AM, Dennis Cartier wrote:
> Thanks for the info Mike. Unfortunately the Asterisk box is not the
> end I have control over. If we were using Asterisk on both ends
> (rather than Cisco) we would have no issues.
>
> Dennis
>
> On Sun, May 2, 2010 at 8:11 PM, Mike O'Connor <mike at pineview.net
> <mailto:mike at pineview.net>> wrote:
>
>     Hi Dennis
>
>     It would seem to me that you should be able to handle this in
>     Asterisk by configuring Asterisk to handle these calls via its
>     internal NAT systems. Have you tried setting the sip.conf account
>     to nat=yes for the calls from the Cisco UC520 ?
>
>     Email me direct as it would be better to keep Asterisk related
>     conversations of this list.
>
>     Mike
>
>
>     On 2/05/10 5:15 AM, Dennis Cartier wrote:
>>     I need some advice on how suitable OpenSIPS would be for solving
>>     a situation that I am struggling with.
>>
>>     I have a VOIP system (Cisco UC520) behind NAT on my LAN. I need
>>     to setup a couple of extensions that are on the public Internet
>>     (Asterisk based). The issue that I am trying to deal with is that
>>     the local VOIP system sends INVITES with a private IP as it is
>>     unaware of what the true public IP is.
>>
>>     In my search for a way to dela with this I ran across OpenSIPS. I
>>     am wondering if I can use OpenSIPS as a proxy and/or could I use
>>     it to re-write the IP in the SIP packets to the proper public IP?
>>
>>     Any advice you can give as to how applicable OpenSIPS is to this
>>     task and if so, which function of OpenSIPS would be best suited
>>     to this problem.
>>
>>     Thanks,
>>
>>     Dennis
>>
>>
>>     -- 
>>     �The music business is a cruel and shallow money trench, a long
>>     plastic hallway where thieves and pimps run free, and good men
>>     die like dogs. There�s also a negative side. �
>>
>>     Hunter S. Thompson, US journalist (1939 � 2005)
>>
>>
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>
>
>
>
> -- 
> “The music business is a cruel and shallow money trench, a long
> plastic hallway where thieves and pimps run free, and good men die
> like dogs. There’s also a negative side. ”
>
> Hunter S. Thompson, US journalist (1939 – 2005)
>

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