I think ALG is useless. What we need is a protocol that the app can query the router about the public IP and Port of a mapping. Something like when the NAT entry is first created on the router, it sends back an ICMP packet containing the outside IP and Port.
On Tue, Dec 7, 2010 at 4:17 AM, Iñaki Baz Castillo <[email protected]> wrote: > 2010/12/7 harneet billing <[email protected]>: > > Hi All, > > > > I wanted to know if there is an RFC/draft which specifies what all > SIP > > Headers need to be modified by an ALG in a NAT Scenario? > > SIP ALG is the devil. Most of the routing implementing SIP ALG break > the signalling in some way. > > http://www.voip-info.org/wiki/view/Routers+SIP+ALG > > > -- > Iñaki Baz Castillo > <[email protected]> > > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
