[Freeswitch-dev] Question about presence_id

[Anthony Minessale]

the problem is since loopback is not a real channel type there would
not be anything in the sip presence tables for active calls even if
you used it.  You would see the events change from state to state but
you would not have any persistance to pick up on if you started
monitoring when the calls was already up.  You're only choice would be
to override the real presence_id with the var or to add more code to
let one leg have multiple presence identities which may be possible
but also could prove challenging.

The conference uses it's own special distributed namespace inside FS
which is delimited by +



conf+3001 at my.box would allow you to subscribe to conference 3001 at my.box

you set the my.box domain name in the domain field of conference.conf.xml

The default config shows conference 3001 advertised in this manner
from the config.





On Mon, Nov 15, 2010 at 11:27 AM, Beeton, Carolyn (Carolyn)
<cbeeton at avaya.com> wrote:
> Now this leads to another question.  If I am monitoring an extension which is running a socket application or playback or something like that,  I can't do this:
>
> <action application="set" data="presence_id=44@$${domain}"/>
>
> because that really "hijacks" the channel from whoever it actually belongs to, who might have a valid presence_id of their own (i.e. might be a registered set which others are monitoring).  (That also might explain why I was seeing the "direction" backwards when monitoring a FS app).
>
> Is the complete solution then to use a bridge application with data="loopback/app=socket...", and set the presence_id of the application extension on the far side of the bridge? i.e. something like this:
>
> <action application="bridge" data="presence_id=44@$${domain};loopback/app=playback..."/>
>
> On a somewhat related note, how does monitoring of conference and park extensions work?  Does the presence_id have to be set in the dialplan, or is it done automatically for these applications?  When a registered user calls into a conference, would PRESENCE_IN events be generated for both ends of the call?
>
> Carolyn
>
>> -----Original Message-----
>> From: freeswitch-dev-bounces at lists.freeswitch.org
>> [mailto:freeswitch-dev-bounces at lists.freeswitch.org] On
>> Behalf Of Beeton, Carolyn (Carolyn)
>> Sent: Thursday, November 11, 2010 3:25 PM
>> To: freeswitch-dev at lists.freeswitch.org
>> Subject: Re: [Freeswitch-dev] Question about presence_id
>>
>> Ok - I think I see now.  Changed my dialplan to this:
>>
>>    <extension name="47">
>>       <condition field="destination_number" expression="^47$">
>>          <action application="bridge"
>> data="{presence_id=47@$${domain}}sofia/cbeetonscs.ca.nortel.co
>> m/47%cbeetonscs.ca.nortel.com"/>
>>       </condition>
>>    </extension>
>>    <extension name="49">
>>       <condition field="destination_number" expression="^49$">
>>          <action application="bridge"
>> data="{presence_id=49@$${domain}}sofia/cbeetonscs.ca.nortel.co
>> m/49%cbeetonscs.ca.nortel.com"/>
>>       </condition>
>>    </extension>
>>
>> That sets the presence ID for the outgoing legs properly.
>> The presence ID for the incoming leg is set by default by
>> registration.  And events are generated as expected and
>> lights work as expected.  I just didn't find this bit of info
>> anywhere in the docs!
>>
>> Carolyn
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-- 
Anthony Minessale II

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