Re: Dealing with Varied Device Capabilities in SIP

[Ben Teitelbaum <>]

"Joe Dance" 
<>
 writes:

> As I understant it, the caller has no control over where - or through which
> of several devices - the callee is reached.
> 
> And I agree, that is a problem.  For example, you could have your car and
> home listed - but perhaps I do NOT want to reach you at home, only at the
> office, or only by phone, only by video, only where you have certain
> resources available, only where you have privacy, etc.
> 
> I do NOT agree however, that presence is the answer - perhaps I just want to
> leave a message - I want to reach your voicemail, or video mail, but I do
> not want to get into a conversation, or intrude on your time at this moment.
> I NEED to be able to reach the destination device of choice.  And SIP does
> not appear to have been written with that kind of scenario in mind.  It is
> written to redirect to wherever you tell it you will be - but it does not
> allow the caller to respect your (the callee's) privacy.

Joe,

Did you look at the SIP Caller Preference Extension I alluded to?  It
seems to me to support exactly what you want.

> 
> There needs to be some kind of feedback loop that basically says , "Jim is
> now (or will be at a certain time) at the xxx Hotel in San Francisco, with
> xxx capability.  Would you like to have your call redirected?"  Then, give
> the caller a choice, and some degree of control over how they establish
> contact, and the ability to avoid some situations.

I hope you are not suggesting that the world needs more IVR systems!
Perhaps you are suggesting something similar to the caller preference
extension, but with the calling human in the loop and able to pick
from a menu of options.

-- ben

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