Voice and data combining and pabx incorporating same

Details Voice and data combining and pabx incorporating same Voice and data combining and pabx incorporating same

H - Electricity

04

Q

344/25

H04Q 11/04 (2006.01) H04M 3/56 (2006.01) H04M 11/06 (2006.01)

Patent

CA 1212747

Abstract of the Disclosure The present invention discloses a data partitioning technique wherein the PCM speech transmission data field is utilized to contain both digitized speech (for example, from a telephone) and other data (for example, from a data terminal) in the same channel within a frame having a plurality of channels e.g. 32 channels, of information. This enables the speech and data to be combined in a common information field and simultaneously transmitted in the same channel, frame by frame, through a digital switching network which may be included within a PABX, to PABX subscribers or to other system users. Also, in accordance with the present invention, system users can individually selectively access a database system through the switching networks such that the same information can be broadcase from the database system to a plurality of system users, such as subscribers, or such that different information can be accessed in the data base system by a plurality of such system users and simultaneously transmitted to different system users in different channels. Information is transmitted from the database system via a telecommunications system or PABX tone bus.

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