[Users] outgoing proxy through VPN ?

raviprakash sunkara sunkara.raviprakash.feb14 at gmail.com
Fri Jul 28 05:30:44 CEST 2006

Hello  gray,

Use ngrep or sipsak , that U should download and configure , tthis is for
communcation tracinf for  "SIP".

If U want to trace the  traffic communicatios,  in default  of Linux system
there is called " Ethereal" or
Check its in " /usrsbin/ethereal"

I think Urs problem is the ports are not forwording , and there are diable
in route or gateway or firewall.


On 7/27/06, gary ng <garyng2000 at yahoo.com> wrote:
> Hi,
> I am trying to setup openser as an outgoing proxy
> through VPN with the following setup:
> - VPN endpoint and also the machine running
> openser
> - remote NAT router at Network A(another
> VPN endpoint)
> 192.168.1.x - sjphone client behind NAT router(Network
> A)
> I can register the client through fine but
> dialing out to other SIP address like
> 613 at fwd.pulver.com never go through.
> If I register through the public address of the
> machine running openser, I can make the dialing fine
> and can sort of having a two way communication, though
> it drops after 5 seconds for unknown reason.
> I am wondering if anyone know if the first
> scenario(register through VPN) is possible.
> Also, how to trace why the communication drops for the
> normal registration method.
> thanks for any help in advance.
> regards,
> gary
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Thanks and Regards with cheers
Sunkara Ravi Prakash (Voip Developer)
Hyperion Technology
Kondapur, Hi-tech city,
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