2010/7/26 Vikas Bhat <vikasbhat0...@gmail.com>:
> Sofia stack is not able to detect empty/null CallID in INVITE request.
> similarly Sofia is not able to detect empty/NULL TO TAG.
> Ideally Sofia should reject the calls in above scenerios.

I think NTA is supposed to return a 400 response to a request received
from network if CallID header is missing.

On client side, it generates a CallID automatically, if application
has not provided one. Likewise, it generates a random To tag if
application has not provided one.

The To tag is always empty or missing in initial requests; do you
propose that a Sofia should automatically try to clear any call if a
response to an INVITE request contains empty/null To tag?

-- 
Pekka.Pessi mail at nokia.com

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