ecrit-4----Page:9
1 2 3 4 5 6 7 8 9 10 11 12 13 14
|
Identity Authenticators (cont’d) Pros Uses existing SIP authentication mechanisms Doesn’t rely on location in messages Cons Requires credentialing PSAPs For citizen-to-authority, requires postponing authentication until after INVITE Still uses endpoint-centric definition of an emergency call |