Method for allocating frequency channels in a radio telephony system
Номер патента: DE2423603C3
Опубликовано: 17-03-1983
Автор(ы): George F. Winter Park Fla. McClure, John R. Maitland Fla. Endicott
Принадлежит: HARRIS CORP
Опубликовано: 17-03-1983
Автор(ы): George F. Winter Park Fla. McClure, John R. Maitland Fla. Endicott
Принадлежит: HARRIS CORP
System and method for providing telephone service having private branch exchange features in a voice-over-data network telephony system
Номер патента: US6804224B1. Автор: Guido M. Schuster,Ikhlaq S. Sidhu,Jerry J. Mahler,Frederick D. Dean,Jacek A. Grabiec. Владелец: 3Com Corp. Дата публикации: 2004-10-12.