Hanifa,
As per RFC 5627,section 3.2, all of the temporary GRUUs learned
from REGISTER responses of a contact remain valid as long a contact with
that instance ID remains registered and the UA doesn't change the
Call-ID in its REGISTER request compared to previous ones for the same
reg-id.
So you can use the first temp-gruu as long as the conditions above are
satisfied.
Thanks
Anand.
-----Original Message-----
From: sip-implementors-boun...@lists.cs.columbia.edu
[mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of
hanifa.mohammed
Sent: Friday, March 19, 2010 3:32 PM
To: sip-implementors@lists.cs.columbia.edu
Subject: [Sip-implementors] [gruu] First temporary GRUU
Hi,
In GRUU, for every REGISTER, the Registrar gives a different
temp-gruu value. i.e. even for each refresh, a temp gruu is given.
Registrar guarantees that all temp gruu's are valid till the user
deregisters or change-in-callid value.
My question is that whether the first temp-gruu shall be used for
all dialogs (with privacy), though a new temp-gruu is given for each
refresh REGISTER.
Programmatically, I have some issue updating the temp-gruu value
everytime for refresh REGISTER.
Pl share your thoughts.
Best Regards,
Mohammed Hanifa
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