Hi All
As per Sip protocol stack , we have TU/Core layer above transaction layer.
My query is about scope of TU/Core for transaction Stateful proxy.
So if there is application using SipLibrary (interface to SipStack) , then
who is acting as TU/Core here ?Application OR SipStack ?
According to Section 16.2 :
For all new requests, including any with unknown methods, an element
intending to proxy the request MUST:
1. Validate the request (Section 16.3
<https://tools.ietf.org/html/rfc3261#section-16.3>)
2. Preprocess routing information (Section 16.4
<https://tools.ietf.org/html/rfc3261#section-16.4>)
3. Determine target(s) for the request (Section 16.5
<https://tools.ietf.org/html/rfc3261#section-16.5>)
4. Forward the request to each target (Section 16.6
<https://tools.ietf.org/html/rfc3261#section-16.6>)
5. Process all responses (Section 16.7
<https://tools.ietf.org/html/rfc3261#section-16.7>)
All operations mentioned here needs to be performed by TU/Core but who
is TU/COre application Or SipStack ?
My understanding is application should not have logic to decrement
Max-Forwards or Add its Via etc .
As these actions are very generic and no dependency on Application
logic so sipStack should do it .
Kindly suggest .
Thanks & Regards
Ankur Bansal
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