[Freeswitch-users] How to get the content of SIP headers and sdp in dialplan?

Anthony Minessale anthony.minessale at gmail.com
Wed Sep 17 12:34:27 PDT 2008


don't forget the bounty amount willing to pay for us to implement something
to make it work.


On Wed, Sep 17, 2008 at 12:39 PM, Michael Jerris <mike at jerris.com> wrote:

> Can you open up a bug on http://jira.freeswitch.org with full traces both
> of freeswitch and how broadworks does it, along with if possible the
> language about to tags from the rfc.  There are a bunch of interop qwirks
> related to those tags and when they should or shouldn't be in there so we
> need to do that down in the sip stack, and need to understand more fully how
> this behaves in regards to other devices and the rfc.
> Mike
>
> On Sep 17, 2008, at 12:20 PM, Jon Bruel wrote:
>
> Mike, in my test setup, no tags are added to the To-header by the
> FreeSWITCH. The reason why I want to control it? Well, many phones uses the
> tag to relate an existing call to a NOTIFY message (send after the INVITE
> has been sent) with the same headers (and the same to-tag) as the INVITE.
> I'm not aware of how this functionality is described in the RFC, though.
>
> My aim is the check if I can use the FreeSWITCH to replicate a function
> known in BroadWorks. In this system, there are a number of plug-ins and
> web-interfaces which are used to control the SIP phone: Answer, put on hold
> and resume. The plug-in controls the application server through a XML
> interface, which in turn sends the NOTIFY to the phone. Thus the phone can
> be controlled without connectivity between the PC and the phone. These three
> states are controlled by a Notify message sent from the application server.
> So it would be useful to find a way of sending a Notify message to the phone
> from the FreeSWITCH. Other NOTIFY messages could be used for other useful
> things such as resetting the phone.
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>


-- 
Anthony Minessale II

FreeSWITCH http://www.freeswitch.org/
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