[Serusers] RTP proxy and Cisco IP phones

[Atle Samuelsen]

This is a shoot in the blind.

in settings,sip-settings, and, number 24 and 25 (NAT Enable and NAT
Address) 

make sure NAT Enable is YES, and NAT ADdress is nothing. This I know
work on firmware 6. -> 7.5.

The Cisco 7960 on my desk works fine behind nat so :-)

- Atle

* Joao Pereira <joao.pereira at fccn.pt> [051004 12:10]:
> Hello to all,
> Im having huge problems connecting Cisco IP phones (7940 and 7960) to my 
> SER.
> I m using the 7.5 SIP firmware.
> Before that, all phones (softphones, hardphones,...) worked, but the 
> Ciscos seem to have problems to register and to make calls. The bigger 
> problems are in the RTPproxy part of my ser.cfg.... the Cisco IP phones 
> cant get out of this:
> 
>  if (method=="REGISTER" && nat_uac_test("3")) {
>    fix_nated_contact();
>      log(1, "LOG: ciscos doesnt work with NAThelper \n");
>    force_rport();
>    setflag(2);
>    };
> 
> 
> The phones dont register with SER when I have "force_rport".
> The phones cant make calls between them if I have "fix_nated_contact" 
> and "force_rport"
> 
> If someone could manage to put Cisco IP phones to work with RTPproxy and 
> NAT helper, please give me a hand.
> Thanks
> Joao Pereira
> www.fccn.pt
> 
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