ecrit-4----Page:4
1  2  3  4  5  6  7  8  9  10  11  12  13  14 

Concept prior to location hiding
UAC embeds location and service URN in its INVITE message
Proxy uses location and URN in a LoST lookup, verifies that returned URI is in the To: header
Authenticator: location + service URN
Embedding: INVITE message
PPT Version