Hi Alex ,

Thankyou for the comments

Could you let me know which fix ups you apply with the 7960 as that would really help and I can test them out.

Many thanks

Jon

> Date: Wed, 19 Mar 2014 18:52:38 -0400
> From: abalashov@evaristesys.com
> To: sr-users@lists.sip-router.org
> Subject: Re: [SR-Users] Legacy Cisco 7945 and 7960 Handset Integration with Kamailio
>
> Hello Jonathan,
>
> On 03/19/2014 03:29 PM, Jonathan Hunter wrote:
>
> > I appreciate these handsets have some issues, whereby they expect
> > responses on port 5060, even though they initiate transactions from a
> > dynamic port, I just wondered if anyone had a working model or some
> > pointers they could share?
>
> 1) If the phone properly indicates port 5060 in the Via header, then
> Kamailio will send responses to that port regardless of the source port
> of the requests to which it is responding.
>
> That is, unless you have force_rport() on, the precise function of which
> is to override that default behaviour and use the source port instead.
>
> 2) I have a 7960 desk phone that I use with Kamailio. It's behind NAT in
> relation to Kamailio, and giving it the usual NAT treatment (nathelper
> fixups, rtpproxy) works just fine.
>
> --
> Alex Balashov - Principal
> Evariste Systems LLC
> 235 E Ponce de Leon Ave
> Suite 106
> Decatur, GA 30030
> United States
> Tel: +1-678-954-0670
> Web: http://www.evaristesys.com/, http://www.alexbalashov.com/
>
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