[Asterisk-Users] Re: Snom190 intercom

[Shaun Dwyer]

Hi Josh,

Thanks for the info..

how did you get intercom=true into the URI, and onto the end of the 
INVITE line?

btw, I got an intresting response from Sven of Snom...

[Sven Fischer (support) wrote:]

>Hi,
>
>as far as I understood intercom will only work if you are not using any 
>password for registering at the registrar at the moment.
>
>But we will add a line based auto answer functionality which should enable 
>intercom for our phones more easily.
>
>regards,
>
>Sven Fischer




Cheers,
-Shaun

Josh Dady wrote:

>> As you can see from the SIP trace below (from the called phone), 
>> intercom=true is being appended to the To: header as per requirements.
>
>
> The "intercom=true" needs to be appended to the request URI, not to 
> the header as a whole -- your To: header should be:
>
>     To: <sip:1011 at 192.168.10.150:2051;line=9avrmhew;intercom=true>
>
> Mind you, I didn't get the phone to respond to the intercom=true until 
> I added it on the request line as well, so the INVITE line of your 
> request would be:
>
>     INVITE sip:1011 at 192.168.10.150:2051;line=9avrmhew;intercom=true 
> SIP/2.0
>
> I'm on a Snom 220 with SIP 3.56t, and I'm stuck on the very next step 
> of the process -- answering the phone's challenge to the INVITE 
> request.  The wiki indicates that the Snom needs to challenge with 
> realm=snom, but even if I add snom into our internal DNS so that I can 
> set the registrar to snom (that being the only way I can see to change 
> what the phone uses as realm), it still rejects the digest response.  
> Anyone have this working with recent loads of SIP that can shed any 
> light on this?
>
>> I've email'd snom a few days ago but have yet to get a response.
>
>
> According to their web page, they have a new office as of April 1, and 
> I got a response to a support request (on this very issue) today 
> saying that they'd likely not be able to respond until people are 
> settled into the new offices, so you'll likely have to be patient with 
> them.
>
> -- 
> Joshua P. Dady
>
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