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Korus Michael F, Marocchi James A, Kay John C, Naylor Daniel J, Patel Hemang F, Stanke Marianne J, Wiedenheft Wilson P: Method of establishing parallel group services over disparate communication networks. Motorola, Korus Michael F, Marocchi James A, Kay John C, Naylor Daniel J, Patel Hemang F, Stanke Marianne J, Wiedenheft Wilson P, Watanabe Hisashi David, November 26, 2009: WO/2009/143195 (2 worldwide citation)

Users (101, 102, 103) affiliated with a first narrowband talk group or participating in a narrowband talk group communication (114) are able to establish a parallel communication group with the same users of the first talk group using alternate communication devices (101a, 102a, 102c, 103a) to enabl ...


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