[Asterisk-Users] problem facing on Firewall, NAT and asterisk

[Brent Goran]

I'm new to Asterisk, but it seems that for clients behind a NAT (e.g. a
typical home router), the way to go is to deploy a SIP proxy such as
SER, and tell the device to use it as an Outbound Proxy. In so doing,
all traffic is tunneled through an outbound TCP connection, with no
back-connections to the client, and the NAT shouldn't be an issue.

Could someone please tell me that I have this correct before I go
chasing it? (Just got Asterisk working, haven't really looked at SER
yet).

Thank you,
Brent


On Wed, 2004-11-03 at 00:02, el Flynn wrote:

> prasad_s wrote:
> 
> <snip>
> > But the problem is when I call internally between two sip client I don't get voice path between these two sip phones, i.e. I can not talk and hear from both phones,
> > though I get message on the asterisk server "connected".
> > Is this because of Firewall and NAT between my sip client and asterisk server?
> 
> Yes.
> 
> > But then how I get register to asterisk server?
> > Is there any workaround for this problem
> 
> Read this: http://www.voip-info.org/wiki-NAT+and+VOIP
> 
> Flynn
> 
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