I'd do a tcpdump and look for any rst or unreachable ports to find if maybe the port specs are wrong for that provider.
On 10/29/05, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > Hi all. > > First, take a greeting from Venezuela. > > I have an ATA VoIP (Analogue Telephone Adaptor) model HandyTone 486. I'll > try to connect it behind my server on OpenBSD 3.7 running PF and NAT. > Well, I think that you know whats the problem. > > I use SIP, so, the ATA behind NAT don't works. I've put a few rules that I > find at one website, the rules are: > > ipphone1="192.168.1.36" > nat on $ext_if proto udp from $ipphone1 to any -> ($ext_if) static-port > > # pass VoIP traffic > pass in quick on $ext_if proto {udp,tcp} from any to any port {3478,10000} > keep state > pass out quick on $ext_if proto {udp,tcp} from any to any port > {3478,10000} keep state > pass in quick on $ext_if proto udp from any to any port 5060 keep state > pass out quick on $ext_if proto udp from $ext_if to any port 16384:32768 \ > keep state > pass in quick on $ext_if proto udp from any to any port 8000:8012 keep state > pass out quick on $ext_if proto udp from any to any port 8000:8012 keep state > > > So, with this rules, the ATA receive calls, and I speak and my contrapart > listen me, but I can't hear him. > > Any idea? Anybody can talk on VoIP behind NAT? > > Thanks to all. > > Regards. > > -- > Juan J D'Alessandro M > Coordinador General > Grupo BSD Venezuela > Valencia - Venezuela > >