Time division switching system

Details Time division switching system Time division switching system

H - Electricity

04

M

344/14, 344/25

H04M 3/56 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 1168737

- 66 - TIME DIVISION SWITCHING SYSTEM Abstract of the Disclosure A multimode time division switching system is disclosed having facilities for the serving of conference calls between port circuits in at least three different modules. Each module serving a conference call transmits a series of call data words to the other modules serving the same call over a special bus system interconnecting all modules. Each word contains information including a module ID number and a time slot number as well as the message or intelligence representing the subject matter of the call. The transmitted ID number specifies the identify of the other modules serving the same call and to which the word is directed. The transmitted time slot number specifies the time slot in which the call is to be served by only a first one of the specified receiving modules. This first module responds to the reception of the word and serves the call in the specified time slot. The other specified module responds to the reception of the word, derives a new time slot number and serves the call in this derived time slot.

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