Multiplex communications – Special services – Conferencing
Reexamination Certificate
2005-10-21
2011-10-18
Cheng, Joe (Department: 2468)
Multiplex communications
Special services
Conferencing
C370S261000, C370S263000, C370S265000, C370S266000, C370S267000, C379S202010, C379S203010, C379S204010, C379S205010, C379S206010, C379S207010, C379S207020, C379S158000, C709S204000
Reexamination Certificate
active
08040825
ABSTRACT:
A multiparty calling method, which includes initiating a multiparty call between at least a first, second and third terminal, and setting a flag in the first terminal to inform a processor of the first terminal to skip a process of closing an existing communication path between the first terminal and the second terminal, when the first terminal is disconnected with the third terminal. Further, the set flag is released when the multiparty call between the at least first, second and third terminals has been established for a predetermined time period. In addition, the first terminal preferably sets the flag when the multiparty call join command is transmitted to the network.
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“Digital Cellular Telecommunications System (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); MultiParty (MPTY) Supplementary Service; Stage 2 (3GPP TS 23.084 version 5.0.0 Release 5); ETSI TS 123 084”; ETSI Standards, European Telecommunications Standards Institute, vol. 3-CN4, No. V500, Jun. 2001.
Birch & Stewart Kolasch & Birch, LLP
Cheng Joe
Chu Wutchung
LG Electronics Inc.
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