H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/28
H04Q 3/495 (2006.01) H04M 3/54 (2006.01) H04Q 3/62 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 1251844
11 ABSTRACT: The invention relates to a telecommunication system, in particular to a telephone system comprising a plurality of intercoupled sub-systems. Each sub-system comprises a control-unit and at least one peripheral module to which communication lines can be connected. A problem involved is that when establishing a connection between two terminals connected through the communication lines to the system a large number of data has frequently to be passed from and to the terminals. According to the invention the data management becomes more effective and more economic when the control-unit of each sub-system comprises a list of numbers inside the system and that on the basis of a number of a desired destination connected to a communica- tion line provided by a source connected to a communication line it is determined to which sub-system the destination is associated. When the destination sub-system is a system differing from the source sub-system, the required (signal- ling) information about the identity and characteristic of the source is transmitted to the control unit of the des- tination sub-system, whilst the connection is passed on to the destination sub-system. The control-unit of the des- tination sub-system then analyses the information and establishes the connection, as the case may be.
480634
Fetherstonhaugh & Co.
Koninklijke Philips Electronics N.v.
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