Multiplex communications – Pathfinding or routing – Through a circuit switch
Reexamination Certificate
2004-09-21
2009-12-29
Mills, Donald L (Department: 2416)
Multiplex communications
Pathfinding or routing
Through a circuit switch
C370S353000
Reexamination Certificate
active
07639676
ABSTRACT:
The number of simultaneous connections to a SIP server is increased without degrading overall performance. If it is judged that, when a newly requested call is accepted, the number of calls whose call control data is stored in a call processing memory or the amount of the call control data stored in the call processing memory would exceed an upper limit, the call control data stored in the call processing memory for a busy call is saved in an external storage device. As the frequency of occurrence of an event is low in the case of a busy call, it becomes possible to accept the new call without degrading overall performance.
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Kataoka Kousei
Kususe Miwa
Nishida Minoru
Takaba Tadashi
Fujitsu Limited
Katten Muchin & Rosenman LLP
Mills Donald L
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