[Serusers] Re: Does SER works on TWO network interfaces with public and private IP addresses?

Charles Wang lazy.charles at gmail.com
Sat Sep 17 09:40:18 CEST 2005


Hi, Mike:
the default gateway is 192.168.11.254 not 192.168.11.1.
So i dont think the flow is 192.168.11.2 to 192.168.11.1.
 
On 9/17/05, Mike Williams <mwilliams at etc1.net> wrote:
> I believe your problem is simple. With the SIP protocol, you are sending
> the streams like this:
> 
> 192.168.11.2 -> 192.162.11.1 -> 221.21.X.X
> 
> After you answer, the clients negotiate for RTP traffic, and try to send
> data directly from 192.168.11.2 to 221.21.X.X, not using the SIP server.
> You are probably having problems actually routing the data (trying
> pinging the 221.21.X.X box from your 192.168.11.2 client) or you're
> having NAT issues. Is far as I know, you must have a direct route from
> the caller to the callee to pass RTP streams; you can't proxy them
> through the SIP server.
> 
> Good luck, and let me know if you have any more questions.
> 
> Mike Williams (mwilliams at etc1.net)
> 
> Charles Wang wrote:
> 
> >On 9/13/05, Charles Wang <lazy.charles at gmail.com> wrote:
> >
> >
> >>Hi, ALL:
> >>
> >>I use ser + mediaproxy + PSTN support, and my ser with two interfaces.
> >>One is public IP address such as 211.21.xxx.xxx.
> >>Another one is private IP address such as 192.168.11.1.
> >>
> >>And I use XLite (192.168.11.2) register to SER's private interface(via
> >>HUB only).
> >>It can register sucessfully.
> >>
> >>But when I make a call to PSTN with this XLite, the callee rings and I
> >>answer it.
> >>I can not hear any sounds from each side.
> >>
> >>I try to register another XLite(192.168.11.3), and make a call to
> >>another private XLite(192.168.11.2). I can hear rings but it is still
> >>no any sounds from each side.
> >>
> >>Can anyone tell me what it happens?
> >>
> >>Best Regard
> >>Charles
> >>
> >>
> >>
> >
> >
> >
> >
> 


-- 

Best Regards
Charles




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