[Freeswitch-users] RFC 4579 and FreeSWITCH

[Francis Joanis]

Hi,

On Fri, Dec 7, 2012 at 2:32 PM, Francis Joanis <francis.joanis at gmail.com>wrote:

> Hi again,
>
> On Fri, Dec 7, 2012 at 1:54 PM, Francis Joanis <francis.joanis at gmail.com>wrote:
>
>> Hi guys,
>>
>> I started playing with FreeSWITCH to make conferences and I was curious
>> about the support for RFC 4579 (Call Control - Conferencing for User
>> Agents).
>>
>> I was able to have FreeSWITCH return a ;isfocus parameter in the Contact
>> (from the 200 OK) and I tried to add a new participant to the conference
>> using a REFER (see RFC 4579 section 5.5), which generated the following log:
>>
>> [ERR] sofia.c:7095 Cannot Blind Transfer 1 Legged calls
>>
>> I think RFC 4579 is mentioned on the FS wiki as a "supported" RFC but is
>> this call flow currently supported?
>>
>> Cheers and thanks for the awesome work in FS,
>> Francis
>>
>
> After digging through the code I realized my test is probably invalid
> since I was reusing the same SIP dialog for the REFER as the one that
> already existed for the existing call. I'll retest with a true out of
> dialog REFER and post my results back...
>
> Thanks,
> Francis
>

That was it: it works with an out of dialog REFER. I also had to add
"rfc-4579" to the conference-flags.

Francis
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