JPS59133742A - Control system of automobile telephone exchange - Google Patents

Abstract

PURPOSE:To ensure the incoming with a subscriber number equal to a normal one by replacing the position registration between the exchange stations of both traffic areas in case an automobile moves over these areas. CONSTITUTION:A subscriber 20 moves to a traffic area 2 and has an automatic communication with an automobile telephone exchange 22 through a radio base station 21 to have a request for replacement of the position replacement. A call given from the exchange 22 to a public telephone network exchange 23 is received by an automobile telephone exchange 12 to which the subscriber 20 belonged before shift through a public telephone network exchange 13. Thus the position registration is replaced to inform the exchange 12 that a subscriber 10 moved at the position of the present subscriber 20. When a subscriber 30 dials the telephone number of the subscriber 10, this number is received by the exchange 12 via the exchange 13 to understand that the subscriber 10 exists in another area. The number of the subscriber 10 is then transferred to the subscriber 20 via exchanges 13, 23 and 22.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mobile phone switching control system, and more particularly to a switching control system for mobile phone subscribers who move across multiple traffic areas.

Conventionally, in this type of exchange control, when a car phone subscriber moves to another traffic area, he informs the other party of his destination in advance, and the other party travels outside the city of his destination. Calls were made by dialing the subscriber's number, or by dialing the specific number of the destination car telephone exchange, receiving a dial tone, and then dialing the subscriber's number.

In this method, the car phone subscriber must inform the other party of his/her destination in advance, and the regular phone subscriber must dial the destination number of the other car phone subscriber. There was some inconvenience.

SUMMARY OF THE INVENTION An object of the present invention is to provide a car telephone exchange control system that allows a subscriber to receive calls even when the subscriber has moved to another traffic area by simply dialing the same subscriber number as usual. .

According to the present invention, when a mobile phone subscriber moves from a first traffic area to a second traffic area, the mobile phone subscriber sends a moving location registration signal to the switching center via the base station of the second traffic area. The exchange station in the second traffic area that transmitted the registration signal and received the registration signal notifies the exchange station in the first traffic area to this effect, and
A mobile telephone exchange control system is obtained, characterized in that registration of the location of the mobile telephone subscriber in a mobile telephone exchange in a traffic area of 1 is updated.

Embodiments of the present invention will be described with reference to the drawings.
- FIG. 1 is a block diagram showing the principle of the present invention. In FIG. 1, a call is made to a mobile telephone subscriber 10 belonging to a traffic area 1 in which a general fixed telephone subscriber 30 connected to the public telephone network is located. Consider the case. At this time, subscriber 3
0 by dialing the telephone number of subscriber 10,
0% of that is the public telephone network exchange 13, the car telephone exchange 12 that controls the traffic area, and the wireless base station 1.
1, the call arrives at the subscriber 10.

However, let us now consider a case where subscriber 10 has moved to another traffic area 2 and is now at subscriber 20's location.

When the subscriber 20 moves to the traffic area 2, the subscriber 20 automatically communicates with the mobile telephone exchange 22 through the wireless base station 21 and requests an update of the location registration.

When the mobile telephone exchange 22 makes a call to the public telephone network exchange 23, the call is passed through the exchange 13 to the subscriber 10.
A call is received from the mobile phone subscriber 2 to which the mobile phone subscriber 2 belongs, and the location registration is updated. That is, for the car telephone exchange 12,
It is notified that the subscriber 10 is currently moving to the location of the subscriber 20.

In this state, when subscriber 30 dials the telephone number of subscriber 10, the call passes through public network exchange 13 and arrives at car telephone exchange 12, where subscriber 10 is in another traffic area. It is determined that subscriber 2
Transferred to 0.

According to the present invention, even if a subscriber moves to another traffic area, it is possible to receive a call by simply dialing the same subscriber number as usual.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the principle of the present invention. 1.2...Traffic area 10,20...Car phone subscriber 11.21...Radio base station 12.22...Car phone exchange 13.23...General public network exchange 3
0...Fixed telephone subscriber − ′ Kiki F4 years old Fig. 1

Claims (1)

[Claims] When a mobile phone subscriber moves from a first traffic area to a second traffic area, the mobile phone subscriber transmits a moving location registration signal to an exchange via a base station in the second traffic area, The exchange in the second traffic area that has received the registration signal notifies the exchange in the first traffic area of this fact, and registers the location of the mobile phone subscriber in the mobile phone exchange in the first traffic area. A car telephone exchange control method characterized by updating.