Multiplex communications – Wide area network – Packet switching
Patent
1994-10-07
1996-11-05
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 99, 370 97, 415 181, H04B 7185
Patent
active
055725309
ABSTRACT:
An ISDN Satellite Switch (ISS) is disposed between ISDN user equipment (e.g., an ISDN PBX) and a satellite network, to extract and process the ISDN signaling information originated from the ISDN user equipment, allocate an appropriate satellite capacity for the user service request, generate signaling response messages to the originating user, generate messages to be transmitted over a satellite signaling channel to the corresponding ISS connected to the destination user, and provide an appropriate Protocol Conversion Function (PCF), when necessary for a certain class of data protocols. A destination ISS, after receipt of these messages, generates ISDN incoming call signaling messages to be sent to the called user.
REFERENCES:
patent: 5172375 (1992-12-01), Kou
patent: 5412660 (1995-05-01), Chen et al.
Bhaskar Piya S.
Chitre Dattakumar M.
Comsat Corporation
Olms Douglas W.
Patel Ajit
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