Patent Assignment
Reel/Frame 023579/0885
Assignment of Assignor's Interest
Recorded: 2009-11-30
Pages: 5
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Method and System of Voice Carry Over for Instant Messaging Relay Services