Communication system

Claim 1

A communication terminal for use in a communication system for performing voice communications and data communications, comprising an individual database for managing mobility information including: (a) a subscriber number of a subscriber; (b) a type of a registered communication terminal owned by the subscriber; (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call; (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal; (e) an incoming call address of the registered communication terminal; (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication; (g) the information (a)-(f) classified according to dates and times; (h) a subscriber number, registered by said subscriber, of at least one other subscriber; and (i) the information (a)-(f) of said at least one other subscriber.

Claim 3

A method of calling a subscriber in a communication system which performs voice communications and data communications using a communication terminal which comprises an individual database for managing mobility information including (a) a subscriber number of a subscriber, (b) a type of a registered communication terminal owned by the subscriber, (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call, (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal, (e) an incoming call address of the registered communication terminal, (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication, (g) the information (a)-(f) classified according to dates and times, (h) a subscriber number, registered by said subscriber, of at least one other subscriber, and (i) the information (a)-(f) of said at least one other subscriber, said method comprising the steps of: entering the subscriber number of the other subscriber, to which a call is to be transmitted, from the communication terminal of said subscriber; inquiring about mobility information of the other subscriber, which is stored in an individual database of the other subscriber, based on the entered subscriber number via a communication network to acquire the mobility information of the other subscriber; updating mobility information of the other subscriber, which is stored in the individual database of the subscriber, based on the acquired mobility information of the other subscriber; checking incoming call destination priority information based on the updated mobility information of the other subscriber in the individual database of the subscriber, and acquiring an incoming call address of a communication terminal which has a first priority rank; and calling the other subscriber via the communication terminal which has the acquired incoming call address.

Claim 4

A method of calling a subscriber in a communication system which performs voice communications and data communications using a communication terminal which comprises an individual database for managing mobility information including (a) a subscriber number of a subscriber, (b) a type of a registered communication terminal owned by the subscriber, (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call, (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal, (e) an incoming call address of the registered communication terminal, (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication, (g) the information (a)-(f) classified according to dates and times, (h) a subscriber number, registered by said subscriber, of at least one other subscriber, and (i) the information (a)-(f) of said at least one other subscriber, said method comprising the steps of: entering the subscriber number of the other subscriber, to which a call is to be transmitted, from the communication terminal of said subscriber; inquiring about mobility information of the other subscriber, which is stored in an individual database of the other subscriber, based on the entered subscriber number via a communication network to acquire the mobility information of the other subscriber; updating mobility information of the other subscriber, which is stored in the individual database of the subscriber, based on the acquired mobility information of the other subscriber; checking incoming call destination priority information based on the updated mobility information of the other subscriber in the individual database of the subscriber, and acquiring an incoming call address of a communication terminal which has a first priority rank; and calling the other subscriber via the communication terminal which has the acquired incoming call address.

Claim 6

A method of updating mobility information in a communication system which performs voice communications and data communications using a communication terminal which comprises an individual database for managing mobility information including (a) a subscriber number of a subscriber, (b) a type of a registered communication terminal owned by the subscriber, (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call, (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal, (e) an incoming call address of the registered communication terminal, (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication, (g) the information (a)-(f) classified according to dates and times, (h) a subscriber number, registered by said subscriber, of at least one other subscriber, and (i) the information (a)-(f) of said at least one other subscriber, said method comprising the steps of: when a mobile terminal owned by the subscriber is switched on or moves from a location registration area into another location registration area, sending a request to update mobility information from said mobile terminal to a mobile terminal having an individual database; and updating the mobility information of the subscriber which is stored in the individual database of the subscriber.

Claim 7

A method of updating mobility information in a communication system which performs voice communications and data communications using a communication terminal which comprises an individual database for managing mobility information including (a) a subscriber number of a subscriber, (b) a type of a registered communication terminal owned by the subscriber, (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call, (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal, (e) an incoming call address of the registered communication terminal, (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication, (g) the information (a)-(f) classified according to dates and times, (h) a subscriber number, registered by said subscriber, of at least one other subscriber, and (i) the information (a)-(f) of said at least one other subscriber, said method comprising the steps of: when a mobile terminal owned by the subscriber is switched on or moves from a location registration area into another location registration area, sending a request to update mobility information from said mobile terminal to a mobile terminal having an individual database; and updating the mobility information of the subscriber which is stored in the individual database of the subscriber.

Claim 9

A method of updating mobility information in a communication system which performs voice communications and data communications using a communication terminal which comprises an individual database for managing mobility information including (a) a subscriber number of a subscriber, (b) a type of a registered communication terminal owned by the subscriber, (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call, (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal, (e) an incoming call address of the registered communication terminal, (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication, (g) the information (a)-(f) classified according to dates and times, (h) a subscriber number, registered by said subscriber, of at least one other subscriber, and (i) the information (a)-(f) of said at least one other subscriber, said method comprising the steps of: when the subscriber inserts a portable subscriber information memory card which carries the same information as the mobility information in the individual database into the communication terminal, transmitting a request to update mobility information from said communication terminal to another communication terminal having an individual database; and updating the mobility information of the subscriber in the other individual database.

Claim 10

A method of updating mobility information in a communication system which performs voice communications and data communications using a communication terminal which comprises an individual database for managing mobility information including (a) a subscriber number of a subscriber, (b) a type of a registered communication terminal owned by the subscriber, (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call, (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal, (e) an incoming call address of the registered communication terminal, (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication, (g) the information (a)-(f) classified according to dates and times, (h) a subscriber number, registered by said subscriber, of at least one other subscriber, and (i) the information (a)-(f) of said at least one other subscriber, said method comprising the steps of: when the subscriber inserts a portable subscriber information memory card which carries the same information as the mobility information in the individual database into the communication terminal, transmitting a request to update mobility information from said communication terminal to another communication terminal having an individual database; and updating the mobility information of the subscriber in the other individual database.

Claim 12

A method of updating mobility information in a communication system which performs voice communications and data communications using a communication terminal which comprises an individual database for managing mobility information including (a) a subscriber number of a subscriber, (b) a type of a registered communication terminal owned by the subscriber, (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call, (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal, (e) an incoming call address of the registered communication terminal, (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication, (g) the information (a)-(f) classified according to dates and times, (h) a subscriber number, registered by said subscriber, of at least one other subscriber, and (i) the information (a)-(f) of said at least one other subscriber, said method comprising the step of: when the subscriber changes communication terminals, accessing another communication terminal having an individual database via telephone to update the mobility information of the subscriber in the other individual database.

Claim 13

A method of updating mobility information in a communication system which performs voice communications and data communications using a communication terminal which comprises an individual database for managing mobility information including (a) a subscriber number of a subscriber, (b) a type of a registered communication terminal owned by the subscriber, (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call, (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal, (e) an incoming call address of the registered communication terminal, (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication, (g) the information (a)-(f) classified according to dates and times, (h) a subscriber number, registered by said subscriber, of at least one other subscriber, and (i) the information (a)-(f) of said at least one other subscriber, said method comprising the step of: when the subscriber changes communication terminals, accessing another communication terminal having an individual database via telephone to update the mobility information of the subscriber in the other individual database.

Claim 15

A method of updating mobility information in a communication system which performs voice communications and data communications using a communication terminal which comprises an individual database for managing mobility information including (a) a subscriber number of a subscriber, (b) a type of a registered communication terminal owned by the subscriber, (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call, (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal, (e) an incoming call address of the registered communication terminal, (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication, (g) the information (a)-(f) classified according to dates and times, (h) a subscriber number, registered by said subscriber, of at least one other subscriber, and (i) the information (a)-(f) of said at least one other subscriber, said method comprising the step of: manually updating the mobile information of the subscriber stored in the individual database thereof.

Claim 16

A method of updating mobility information in a communication system which performs voice communications and data communications using a communication terminal which comprises an individual database for managing mobility information including (a) a subscriber number of a subscriber, (b) a type of a registered communication terminal owned by the subscriber, (c) incoming call destination priority information for determining a priority rank for the registered communication terminal to receive an incoming call, (d) present location registration information of the registered communication terminal if the registered communication terminal is a mobile terminal, (e) an incoming call address of the registered communication terminal, (f) tracking control information as to whether an incoming call is to be received by a communication terminal having a next priority rank if the registered communication terminal is incapable of communication, (g) the information (a)-(f) classified according to dates and times, (h) a subscriber number, registered by said subscriber, of at least one other subscriber, and (i) the information (a)-(f) of said at least one other subscriber, said method comprising the step of: manually updating the mobile information of the subscriber stored in the individual database thereof.