Generalized arrangement for routing telecommunications calls

Details Generalized arrangement for routing telecommunications calls Generalized arrangement for routing telecommunications calls

H - Electricity

04

Q

H04Q 3/00 (2006.01) H04Q 3/47 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2281210

Apparatus and a method for controlling the establishment of telecom-munications calls. In response to a service request from a calling party, a switch serving the calling party transmits a query identifying the called party to a shared database. The database provides information identifying the switch for accessing the called party, and information for identifying port(s) for accessing the called party from that switch. When a customer moves from one location to another, the database is updated to reflect the switch and port identification associated with the new location of the customer. If the called customer is a mobile customer, the database maintains information concerning the current location of that customer so that calls can be immediately switched to that customer. Advantageously, a single database for storing information about the location and class of service of all customers served by a network greatly simplifies the process of routing calls, allows for great flexibility in numbering plans, and greatly simplifies the process of providing service to a customer who has moved.

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