Re: [Sipping-tispan] Requirements 02e

Miguel Garcia wrote:
> 
> 
> Paul Kyzivat wrote:
> 
>>
>>
>> Miguel Garcia wrote:
>>
>>> That is my understanding. If I recall correctly, the idea is to 
>>> emulate the PBX, where the callee can indicate a direct-to-call 
>>> number (URI).
>>
>>
>>
>> OK, so the callee can indicate it. What happens at the calling end? Is 
>> it displayed instead of the callerid? Is it displayed in addition to 
>> the callerid? Is it retained by the calling UA and used in some 
>> circumstance?
>>
>> This sounds a lot like the SIP Reply-To header, which can be there and 
>> carry information, but which has never had any clear utility, and so 
>> has essentially never been used.
> 
> 
> 
> Actually, when we have been discussion solutions, the Reply-To header 
> came one possibility to look at.
> 
> You say that the Reply-To header has no clear utility, and perhaps, this 
> is an application where it could have a clear utility. I would expect 
> this information to be offered by the UI, perhaps when saving the contact.

That would perhaps be helpful in supporting some *new* services. How 
would it help in a simulation service? Apparently it is simulating some 
existing service that has such an address. What is that service? How is 
this additional information used? Is it additional callerid info?

	Paul

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