Thank you, Pandurangan.

2010/2/10 Pandurangan R S <[email protected]>:
>> By the way, in a proxy,
>> when a proxy send 407, does the proxy send 407 to the Address
>> written in "From" header of the INVITE that the proxy received?
>
> The response traverses back to the UAC using the "Via:" headers
> present in the request.
>

Does the above mean below:

when a proxy send 407, it does NOT use "From" header of INVITE
but use "Via:" headers.

Am I right?


> On Wed, Feb 10, 2010 at 7:26 PM, Couret Tabt <[email protected]> wrote:
>> Thank you, Castillo and Sumit!
>>
>> I could understand for your help.
>>
>> To confirm,
>> when a UAC receive 407, the UAC only resend INVITE
>> to the *SAME destination as the first INVITE as Castillo tell me below.
>>
>> The UAC do NOT mind which make 407. But it has *no matter*.
>> The UAC only recognize which INVITE this 407 correspond to
>> using  Call-ID etc.
>>
>> Is it correct?
>>
>> By the way, in a proxy,
>> when a proxy send 407, does the proxy send 407 to the Address
>> written in "From" header of the INVITE that the proxy received?
>>
>> 2010/2/10 Iñaki Baz Castillo <[email protected]>:
>>> El Miércoles, 10 de Febrero de 2010, Couret Tabt escribió:
>>>> Thanks, Sumit.
>>>>
>>>> I understood below:
>>>>
>>>> An INVITE request (from a UAC) before 407 response has "Route"
>>>> header as path to a UAS.
>>>>
>>>> So when the UAC receive 407 response, the UAC can guess
>>>> the originator of the 407 using "Route" header in the above INVITE request.
>>>>
>>>> Is the above correct?
>>>
>>> No.
>>>
>>> Route is just added after establishing a dialog (RFC 3261).
>>>
>>> The new INVITE UAC must sent with credentials is just a *new* INVITE, and 
>>> UAC
>>> must send it to the *SAME destination as the first INVITE. No more.
>>>
>>> I think you want to see it more complicated than it already is :)
>>>
>>> --
>>> Iñaki Baz Castillo <[email protected]>
>>>
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>>>
>>
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>

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