Multiplex communications – Wide area network – Packet switching
Patent
1991-02-11
1993-06-29
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
379205, H04L 1218, H04Q 1104
Patent
active
052240940
ABSTRACT:
During an existing communication between a first communication unit and at least a second communication unit, any communication unit in the existing communication may add another communication unit to the communication. This may be accomplished by initiating a request to add another communication unit. The request is routed to the affiliated system data database circuits, wherein each system data database circuit reserves an entry in each signal destination field affiliated with a communication unit that is participating in the communication when an entry is available. With the entries reserved, each of the system data database circuits adds, in the entries, individualized information of the new communication unit such that the new communication unit can now participate in the communication.
REFERENCES:
patent: 4232199 (1980-11-01), Boatwright et al.
patent: 4382295 (1983-05-01), Moffitt et al.
patent: 4797877 (1989-01-01), Pope et al.
patent: 4825433 (1989-04-01), Deschaine
patent: 4901308 (1990-02-01), Deschaine
patent: 5034947 (1991-07-01), Epps
Kizou H.
Markison Timothy W.
Motorola Inc.
Olms Douglas W.
Parmelee Steven G.
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