[Freeswitch-dev] Phone Feature Synchronization

[Brian West]

https://jira.freeswitch.org/browse/FS-2731

On Thu, Oct 16, 2014 at 1:38 PM, Kevin Wormington <
kworm at missouri-telecom.com> wrote:

> Hi,
>
> I'm trying out the "feature synchronization" functionality of the new
> .73 beta firmware for the T46G that allows the phone to notify
> FreeSWITCH of DND and Forwarding status.  The phone is using SUBSCRIBE
> messages to do this (example below) and FS processes them in
> sofia_presence.c and generates a SWITCH_EVENT_PHONE_FEATURE_SUBSCRIBE
> event.  I don't see that this event is handled anywhere in mod_sofia.  I
> would like to add a configurable feature at let FS emulate key system
> behavior and in the case of DND update the presence to be DND/Busy so
> the BLF lights on other UA would indicate busy.  I know this is not
> necessarily what BLF means but most old key systems have this behaviour.
>
> I have not made an extensive review of mod_sofia but I would think this
> would be implemented there where the csta stuff is.  I can play around
> with it, but wanted to see if anyone else had an opinion on it or if I'm
> completely missing some other way to do it other than using ESL to catch
> events and send new ones.
>
> Here is an example of DND being activated:
>
> ------------------------------------------------------------------------
>     SUBSCRIBE sip:1000 at 192.168.1.175:5060 SIP/2.0
>     Via: SIP/2.0/UDP 192.168.1.106:5062;branch=z9hG4bK2975756387
>     From: <sip:1000 at 192.168.1.175>;tag=2420321046
>     To: <sip:1000 at 192.168.1.175>;tag=YKBD9deNLnnN
>     Call-ID: 3592119465 at 192.168.1.106
>     CSeq: 5 SUBSCRIBE
>     Contact: <sip:1000 at 192.168.1.106:5062>
>     Authorization: Digest username="1000", realm="192.168.1.175",
> nonce="71a73470-5561-11e4-9781-81e6a6ef6342",
> uri="sip:1000 at 192.168.1.175:5060",
> response="78e97ccca503de4e7490b0bbbf2f35ef", algorithm=MD5,
> cnonce="0a4f113b", qop=auth, nc=00000004
>     Content-Type: application/x-as-feature-event+xml
>     Max-Forwards: 70
>     User-Agent: Yealink SIP-T46G 28.73.0.16
>     Expires: 3630
>     Event: as-feature-event
>     Content-Length: 185
>
>     <?xml version="1.0" encoding="ISO-8859-1"?><SetDoNotDisturb
> xmlns="http://www.ecma-international.org/standards/ecma-323/csta/ed3
> "><doNotDisturbOn>true</doNotDisturbOn></SetDoNotDisturb>
>
>
>
> And turning off:
>
> ------------------------------------------------------------------------
>     SUBSCRIBE sip:1000 at 192.168.1.175:5060 SIP/2.0
>     Via: SIP/2.0/UDP 192.168.1.106:5062;branch=z9hG4bK264963740
>     From: <sip:1000 at 192.168.1.175>;tag=2420321046
>     To: <sip:1000 at 192.168.1.175>;tag=YKBD9deNLnnN
>     Call-ID: 3592119465 at 192.168.1.106
>     CSeq: 6 SUBSCRIBE
>     Contact: <sip:1000 at 192.168.1.106:5062>
>     Authorization: Digest username="1000", realm="192.168.1.175",
> nonce="71a73470-5561-11e4-9781-81e6a6ef6342",
> uri="sip:1000 at 192.168.1.175:5060",
> response="4042dfcf7590c1d5187aa4b260275991", algorithm=MD5,
> cnonce="0a4f113b", qop=auth, nc=00000005
>     Content-Type: application/x-as-feature-event+xml
>     Max-Forwards: 70
>     User-Agent: Yealink SIP-T46G 28.73.0.16
>     Expires: 3630
>     Event: as-feature-event
>     Content-Length: 186
>
>     <?xml version="1.0" encoding="ISO-8859-1"?><SetDoNotDisturb
> xmlns="http://www.ecma-international.org/standards/ecma-323/csta/ed3
> "><doNotDisturbOn>false</doNotDisturbOn></SetDoNotDisturb>
>
>
> _________________________________________________________________________
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> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
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-- 

*Brian West*
brian at freeswitch.org


*Twitter: @FreeSWITCH , @briankwest*
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