[Freeswitch-users] Force SIP UA to pick up call during ringing?

Tue Jun 16 11:17:01 PDT 2009

  uuid_setvar <unique_id> sip_invite_params intercom=true should be  
unnecessary.

Mike

On Jun 16, 2009, at 1:49 PM, Peter P GMX wrote:

> It mainly works now by uuid_transfer the following way via event  
> socket.
>      uuid_setvar <unique_id> sip_invite_params intercom=true
>      uuid_setvar <unique_id> sip_auto_answer true
>      uuid_transfer <unique_id> 1000 XML default
> so the call is transferred from 1000 to 1000.
>
> What happens:
> 1) If I disable intercom on the Snom phone, the phone rings, stops
> ringing and rings again (ok)
> 1) If I enable intercom on the Snom phone, the phone rings, stops
> ringing and hangs up (not ok)
>
> So I do not get the Snom to pick up the call in intercom mode.
>
> The last invite is:
>    INVITE sip:1000 at 192.168.178.50:2752;transport=tls;line=er6kxnib  
> SIP/2.0
>    Via: SIP/2.0/TLS 217.xx.xx.xxx;branch=z9hG4bK3gjpa64pSKgmF
>    Route: <sip:1000 at 217.24.11.189:2752>;transport=tls;line=er6kxnib
>    Max-Forwards: 68
>    From: "Peter FS" <sip:723323 at 217.xx.xx.xxx>;tag=9eQ8rjQy533HF
>    To:
> <sip:1000 at 192.168.178.50:2752;transport=tls;line=er6kxnib;intercom=true 
> >
>    Call-ID: bd05aeab-d53a-122c-72b5-001e904cc34e
>    CSeq: 116467629 INVITE
>    Contact: <sip:mod_sofia at 217.xx.xx.xxx:5061;transport=tls>
>    Call-Info: <sip:217.xx.xx.xxx>;answer-after=0
> The intercom part is there and the Call-Info line with answer-after  
> also.
>
> The phone answers with
>    SIP/2.0 401 Unauthorized
>    Via: SIP/2.0/TLS 217.xx.xx.xxx;branch=z9hG4bK3gjpa64pSKgmF
>    From: "Peter FS" <sip:723323 at 217.xx.xx.xxx>;tag=9eQ8rjQy533HF
>    To:
> <sip:1000 at 192.168.178.50:2752;transport=tls;line=er6kxnib;intercom=true 
> >;tag=71rskygkr2
>    Call-ID: bd05aeab-d53a-122c-72b5-001e904cc34e
>    CSeq: 116467629 INVITE
>    Contact:
> <sip:1000 at 192.168.178.50:2752;transport=tls;line=er6kxnib>;reg-id=1
>    WWW-Authenticate: Digest realm="sip2.mycompany.de",
> nonce="2ee26efe6ab27f88", algorithm=MD5
>    Content-Length: 0
> and hangs up.
>
> Anybody know how to solve this Snom intercom issue?
>
> Best regards
> Peter
>
>
> Michael Jerris schrieb:
>> The transfer should work but it sounds like offhook agents is what
>> your really trying to accomplish so I would go with brian's  
>> suggestion.
>>
>>
>>
>> On Jun 16, 2009, at 7:38 AM, Peter P GMX <Prometheus001 at gmx.net>  
>> wrote:
>>
>>
>>> Hello Michael,
>>>
>>> I want the phone be ringing, just for acoustical feedback reasons.
>>>
>>> But what if I
>>>
>>>   * transfer it to the same user destination again (now with  
>>> intercom
>>>     enabled), will this work?
>>>   * transfer it to park and then transfer it to the same destination
>>>     again (now with intercom enabled)
>>>
>>> Best regards
>>> Peter
>>>
>>> Michael Jerris schrieb:
>>>
>>>> The only way I can think to do this today would be to cancel the  
>>>> call
>>>> and re send with the intercom headers for a phone that supports it.
>>>> It may be possible to send a reinvite with autoanswer headers but I
>>>> doubt that would work, all you could do is try making code to do it
>>>> it
>>>> a sipp or sipsak scenario and test it.  A better aproach might be  
>>>> to
>>>> answer the call normally and detect that to start your web workflow
>>>> or
>>>> not really ring the phone, just the web app and deliver the call  
>>>> with
>>>> autoanswer when the button is hit in the web ui.
>>>>
>>>> Mike
>>>>
>>>> On Jun 16, 2009, at 4:24 AM, Peter P GMX <Prometheus001 at gmx.net>
>>>> wrote:
>>>>
>>>>
>>>>
>>>>> Hello Brian,
>>>>>
>>>>> this is too easy :-).
>>>>>
>>>>> This is for a small callcenter app and I only want the user to
>>>>> pickup
>>>>> the call once (to accept the call in X-Lite (or a Snom phone)  
>>>>> and to
>>>>> start the workflow on the web application). I do not want him to
>>>>> accept
>>>>> the call on the phone and then on the Web app.
>>>>>
>>>>> Best regards
>>>>> Peter
>>>>>
>>>>>
>>>>>
>>>>> Brian West schrieb:
>>>>>
>>>>>
>>>>>> click on the AA button?  :)
>>>>>>
>>>>>> /b
>>>>>>
>>>>>> On Jun 15, 2009, at 7:19 PM, Peter P GMX wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> What is the best way to have this done? Move the call to park  
>>>>>>> and
>>>>>>> then
>>>>>>> retransfer again with intercom, or is there a better solution?
>>>>>>>
>>>>>>>
>>>>>>>
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>>>>>>
>>>>>>
>>>>>>
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>
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