Method for management of logical channels for isdn packet...

Details Method for management of logical channels for isdn packet... Method for management of logical channels for isdn packet...

H - Electricity

04

M

344/18

H04M 3/42 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 1287390

METHOD FOR MANAGEMENT OF LOGICAL CHANNELS FOR ISDN PACKET SERVICE ABSTRACT OF THE DISCLOSURE A method for management of logical channels essen- tial for packet communication between an ISDN and subscribers. An ISDN cannot maintain details on each of the number of pieces of data terminal equipment in each subscriber. Therefore, the data terminal equipment returns to the ISDN the logical channel group number (LCGN) which has been allotted to itself upon receipt of a package at the ISDN. The ISDN then refers to the logical channel management memory corresponding to the specified data terminal equipment using that LCGN, while the data terminal equipment refers to the logical channel management memory in its own terminal adapter, with both thus obtaining the information required for the start of the packet communication. Further, when forming in the ISDN a logical channel management memory corresponding to a newly established data terminal equipment, direct registration is performed directly between the ISDN and data terminal equipment automatically for the LCGN, etc.

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