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 <[email protected]> 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) > > > _______________________________________________ > Users mailing list > [email protected]http://lists.opensips.org/cgi-bin/mailman/listinfo/users > > > -- “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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