[asterisk-users] Trouble registering Cisco 7942

[Warren Selby]

The 7960 and 79x2 use different sip firmwares and as far a I have seen  
the 7960 does not have the same port issue the 7941/2 seems to have  
(which technically is not a problem, just an implementation of the sip  
protocol that you don't typically see).

As to your issue, are you still seeing the same error messages in the  
ssh logs?  I haven't ever had to use the register with proxy settings  
in my configs, but I've only worked with the 79x1 series phones, not  
the x2.

I've actually got a post up on my blog addressing setting up a 7941 in  
a situation similar to yours:

http://www.selbytech.com/2009/10/setup-cisco-7941-or-7961-with-asterisk/

In that post is a sanitized version of my conf file that I use on my  
own deskphone, if you'd like to download it and try it out with your  
setup.



Thanks,
--Warren Selby

On Nov 10, 2009, at 6:32 PM, Stephen Reese <rsreese at gmail.com> wrote:

> On Tue, Nov 10, 2009 at 10:13 AM, Warren Selby  
> <wcselby at selbytech.com> wrote:
>> In your sip.conf file, be sure to specify nat=no for the phone, even
>> though the phone is behind a nat device. The cisco phones handle sip
>> packets differently than the way asterisk expects, so you have to do
>> this in order to make asterisk send the way the phone will accept.
>>
>>
>>
>> Thanks,
>> --Warren Selby
>
> Thanks, as a test I changed both a 7960 and 7942 both to "nat=no" the
> latter being the one I'm having trouble registering. The 7960 then was
> unable to register so I changed it back to "nat=yes". When I changed
> the 7942 to "nat=no" and disabled registerWithProxy I can get a dial
> tone but can't dial out due to the following:
>
> SIP/2.0 407 Proxy Authentication Required
>
> I tried re-enabling the proxy but then I get nothing as before.
>
> From the sip.conf I would assume that <registerWithProxy> would be the
> same as the realm and the <proxy> statement for the phone be the same
> as the domain?
>
> realm=ns1.domain.net
> domain=domain.net
>
> Thanks again for any help.
>
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