Re: [Sip-implementors] Q.850 includes in Proviosional response

2015-05-28 Thread Joel Gerber
Your last point is something I overlooked mentioning. Yes, even with media negotiated, if it's not sent then intent should be derived from something else (previous 180 Ringing for example). Joel Gerber Network Operations Specialist - Telephone Telephone Eastlink joel.ger...@corp.eastlink.ca

Re: [Sip-implementors] Q.850 includes in Proviosional response

2015-05-28 Thread Paul Kyzivat
On 5/28/15 10:33 AM, Joel Gerber wrote: Correct me if I'm wrong, but even if the remote endpoint understands Q.850 headers, receiving one in anything but a BYE would not cause the device to react any differently, unless the device was specifically programmed to do so, correct? Yes. that is m

Re: [Sip-implementors] Q.850 includes in Proviosional response

2015-05-28 Thread Joel Gerber
Correct me if I'm wrong, but even if the remote endpoint understands Q.850 headers, receiving one in anything but a BYE would not cause the device to react any differently, unless the device was specifically programmed to do so, correct? And in addition to this, if early media is being setup wi

Re: [Sip-implementors] Q.850 includes in Proviosional response

2015-05-28 Thread Paul Kyzivat
You don't say what happens *after* they send this 183. That doesn't terminate the dialog - there still must be some final response. Does the final response accurately reflect the distinction between busy, invalid, etc.? AFAICT this doesn't violate anything, so it is *technically* valid. But,