Method of establishing a connection to a subscriber through...

Details Method of establishing a connection to a subscriber through... Method of establishing a connection to a subscriber through...

H - Electricity

04

M

H04M 7/14 (2006.01) H04Q 3/00 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2146082

Technical Problem: Establishment of a connection from a first network to a second network. Prior Art: IN service which translates call numbers. Basic Idea: During call set-up, a part (N3) of the call number assigned to a subscriber (B) is transmitted from a first network (PUBNET) to a second network (PRNET) using a method different from that used to signal address information. Solution: Dialing of an IN service which transports a part of the call number, in the area intended for the ISDN subaddress, to a private branch exchange (EX4) associated with the called subscriber (B). Advantage(s): - Cost advantage, because a great range of direct-inward-dialing numbers is very expensive. - Savings of code numbers at the gateways. - Supports the construction of mobile- radio networks by means of INs. Figure: 2

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