[Serusers] ser on linksys router

[Klaus Darilion]

Richard wrote:

>>>The second one is for nat. For internal calls, there is no nat issue.
>>
>>For
>>
>>>external calls, the router can be sit on both inside and outside on the
>>>network. You can avoid the nat issue on SIP messages.
>>
>>NAT issues can be solved using the ip_conntrack_sip kernel module which
>>is included in OpenWRT (it's not compiled by default, but a friend of
>>mine built a new kernel and it works fine (no STUN or rtpproxy needed
>>any more)
> 
> This sip ALG has some problems. It is work ok with one phone behind NAT, but
> not multiple phones. SIP is very complicated; probably part of reason why
> there is no SIP conntrack module available in POM yet.

Then maybe it's better to use user-mode solutions like 
http://siproxd.sourceforge.net/

klaus