Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2000-05-25
2008-12-09
Qureshi, Afsar (Department: 2667)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S235000, C370S389000, C709S228000, C455S557000, C704S270100
Reexamination Certificate
active
07463619
ABSTRACT:
A communications system includes a network coupled to various network elements. The network elements include user systems that contain protocol-aware applications that are aware of the protocol used to establish streaming-type communications (e.g., audio, video, or multimedia) or text-based communications over the network. The protocol used for such communications may include the Session Initiation Protocol (SIP), H.323, or other protocols. Each of the user systems includes a rules engine that is capable of collecting information from a SIP message and comparing the information to criteria or rules that have been entered by a user. When a match occurs, one or more target applications or other software routines are launched to perform predetermined tasks. The launched applications or other software routines may include a web browser, for example.
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Gilleland Michael E.
Prokop Andrew J.
Nortel Networks Limited
Qureshi Afsar
Trop Pruner & Hu P.C.
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