(57) ABSTRACT A method and system for secure Voice over Internet Protocol (IP)(VoIP)
communications. The method and system provide secure VoIP voice calls, video, Instant …

Ob request to determine whether the user is authorized to access one or more resources, in
response to a determination that the user is authorized to access one or more resources …

(57) ABSTRACT A communication system includes mobile units, a network switching center,
and service centers to provide a variety of traditional and enhanced services to the mobile …

Sep. 16, 1997, now Pat. No. 6,839,340. network, wherein the authorization and account
control object maintains a Substantially real time record of user (51) Int. Cl. accounts and …

A system for the real-time transmission, storage, retrieval and credentialing of video (and/or
audio) data from a plurality of possible sources (subscribers) is accessible via a network …

In one form of the invention, a process of Sending real-time information from a Sender
computer to a receiver computer coupled to the Sender computer by a packet network …

In one embodiment, a network element comprises one or more processors, and a memory
module communicatively coupled to the processor. The memory module comprises logic …

3. R 38: Matsy et al. 2002/0030696 A1 3/2002 Twinkwalder et al. 6.243, 750 B1 6/2001 5i, a
2002/0049841 A1 4/2002 Johnson et al. 6.259. 771 B 7200 E. ss i. 2002/004986.0 A1 …

5,450,583 A 9/1995 Inada............................ 395/650 6,202,206 B1 3/2001 Dean et al.
5,459,837 A 10, 1995 Caccavale... 395,184.01 6,205.477 B1 3/2001 Johnson et al …

5,987,497 5,996,017 6,003,075 6,035,264 6,044,393 6,047,321 6,052,722 6,101,539
6,112,237 6,138,251 6,151,643 6,157,956 6,195,760 6,205,477 6,229,540 6,286,042 …