KR20000008497A - Method for broadcast announcement number change in personal communication service exchange - Google Patents

Abstract

PURPOSE: A method for broadcasting the announcement of the changed number is provided to automatically broadcast the changed number and the location of a call. CONSTITUTION: A method for broadcasting a notice of a changed number in a Personal Communication service exchange(PCX) comprises: allotting a new telephone number to a first mobile terminal(10) wanting to change the number; inputting the telephone number before changing to the first mobile terminal from a second mobile terminal(12) for transferring to a first PCX(3) through a base station(15) and a base station controller(20); transferring a routing demand answering message being allotted of a Temporary Location Directory Number(TLDN) to a second PCX(40) interlocked with a Voice Mail Service(VMS)(60) for starting a call setting; and transferring a routing demand message to the VMS by an Initial Address Message(IAM).

Description

Method of announcement of change of number of personal communication exchange

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method for announcement announcement of a number change of a Personal Communication Service eXchange (hereinafter, abbreviated as PCX). In particular, the changed telephone number of a mobile subscriber is abbreviated as Home Location Register (HLR). The present invention relates to a method for guiding a number change announcement which automatically broadcasts a changed telephone number and a call position when a call connection request is transmitted to a telephone number before a change from any originating subscriber after registering with the service.

In general, a PCX system is a system that enables communication between mobiles or between mobiles and a fixed body by using a radio wave of a space, and transmits / receives messages between mobile terminals or between mobile terminals and other fixed terminals, and manages radio resources. A base station controller that performs various functions necessary for radio call processing such as handoff while controlling and managing a plurality of base stations, and a switching function in connection with other stations and other networks, and performs various functions required for call processing and data exchange. It consists of an exchange to perform.

Such a PCX system provides a number of special services, among which a telephone number change announcement service allocates a new telephone number according to the change request message to the mobile subscriber when the telephone number change request message is transmitted from the mobile subscriber. If a call connection request is then sent to a telephone number before the change from any fixed and mobile subscribers, a non-editable announcement is sent to any fixed and mobile subscribers requesting the call connection. Here, the non-editable announcement does not announce the changed telephone number and the call location of the mobile subscriber who requested the telephone number change. Instead, a general announcement, for example, "the telephone number has changed." Say broadcast.

Therefore, since the PCX system sends out an announcement for a simple message that the telephone number has changed, the mobile subscriber who has requested a call connection to the telephone number before the change cannot know the telephone number after the change and also changes the telephone number. There was a problem that the call location of the requested mobile subscriber could not be known.

The present invention has been made to solve the above-described problems, the object of which is to change the phone number using the voice mail service (Voice Mail Service (hereinafter, abbreviated as VMS) linked to the PCX), and to change the phone number request The present invention provides a method for guiding a change of a number so that an announcement can be made automatically about a call location of a mobile subscriber.

According to an aspect of the present invention, there is provided a number change announcement broadcast method according to the present invention, comprising: allocating a new phone number to a first mobile terminal according to a number change request message from a first mobile terminal; The phone number before the change of the first mobile terminal is inputted by the second mobile terminal and transmitted to the first PCX through the base station and the BSC, and then transmitted to the number translation unit to control the number translation and translation. Sending a location request message for the first mobile terminal to the HLR by the result message; Transmitting, at the HLR, a parameter indicating that the first mobile terminal is a number change subscriber and a routing request message including the number change parameter to a second PCX; Sending a routing request response message assigned a temporary location directory number at the second PCX to the first PCX via the HLR; Transmitting, by the first PCX, the IAM according to the routing request response message to which the TLDN is assigned to the second PCX to start call setup; The second PCX determines that the first mobile terminal is a number change subscriber based on the transmitted temporary location directory number, and transmits a routing request message including the parameter indicating that the first mobile terminal is a number change subscriber and the number change parameter. Transmitting to the VMS by the IAM and receiving an Ack message and a response message for the routing request message transmitted from the VMS to the first PCX to form a call path; After the call path is formed, transmitting, by the VMS, the changed call number for the first mobile terminal and an announcement of the call location of the first mobile terminal requesting the telephone number change to a second mobile terminal. .

1 is a block diagram to which the number change announcement broadcasting method of the personal communication switch according to the present invention is applied;

2 is a detailed flowchart illustrating a number change announcement broadcast method of a personal communication switch according to the present invention;

<Description of the symbols for the main parts of the drawings>

10, 12: first and second mobile terminals 15, ...: base station

20: base station controller 30, 40: first, second PCX

32: call processing unit 34: number translation unit

50: HLR 60: VMS

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation of the present invention.

1 is a block diagram of a PCX performing a number change announcement broadcast method according to the present invention, wherein the first and second mobile terminals 10 and 12, the base stations 15, ..., and a base station controller (Base) are shown. Station Controllor (hereinafter abbreviated as BSC) 20, first and second PCX 30 and 40, HLR 50 and VMS 60.

The first and second mobile terminals 10, 12 are mobile stations that are mobile or fixed, and each of the first and second mobile terminals 10, 12 is a base station 15,. Under control, the base station 15, ... is free to move to the controllable area. The first and second mobile terminals 10 and 12 having this function generate a number change request message when they want to change their telephone number.

Each base station (15, ...) is a form of a fixed station, and wirelessly connected to the first and second mobile terminals (10, 12) belonging to the base station (15, ...) under the control of the BSC 20, The first and second mobile terminals 10 and 12 are controlled. When the phone number before the change of the first terminal 10 is input from the other terminal example, the second terminal 12, any one of the first and second mobile terminals 10, 12, the number of which is changed. Each base station 15 transmits the input telephone number to the BSC 20.

The BSC 20 is connected to the plurality of base stations 15,... And controls the plurality of base stations 15..., And one of the base stations 15,. The first change of the telephone number for the first mobile terminal 10 received from the base station 15 controlling the mobile terminal 12 is transmitted to the first PCX 30.

The first PCX 30 is connected to the BSC 20 and switches to connect a call transmitted from the BSC 20 to the second PCX 40 via a plurality of base stations 15,... Internally, a call processing unit 32 and a number translation unit 34 are provided.

The call processor 32 inside the first PCX 30 transmits the telephone number before the change of the first mobile terminal 10 transmitted from the BSC 20 to the number translation unit 34 so that the number can be translated. To control. In addition, the call processor 32 receives the number translated result message from the number translation unit 34, and transmits the location request message for the first mobile terminal to the HLR 50 by the number translation result message. In addition, the call processing unit 32 is an initialization address message (hereinafter referred to as an Initial Address Message) by a routing request response message including a temporary location directory number (hereinafter, abbreviated as TLDN) transmitted from the HLR 50 described below. , Abbreviated as IAM) is transmitted to the second PCX 40 to start call setup.

After receiving the location request message for the first mobile terminal 10 transmitted from the call processor 32, the HLR 50 may recognize that the first mobile terminal 10 is a number change subscriber, and this change. The routing request message including the number parameter is transmitted to the second PCX 40, and the routing request response message to which the TLDN is assigned is transmitted from the second PCX 40 to the call processor 32.

The second PCX 40 allocates the TLDN by the routing request message transmitted from the HLR 50, transmits the TLDN to the HLR 50 by including the assigned TLDN in the routing request response message, and then transmits the first PCX 30. After confirming that the number change subscriber is the TLDN transmitted from the CTL), the first mobile terminal 10 transmits a routing request message including the parameter indicating the number change subscriber and the change number parameter to the VMS 60 through the IAM. do. In addition, the second PCX receives an ack message and an answer message for the routing request message transmitted from the VMS 60 and transmits the received message to the first PCX 30 to form a call path.

After the VMS 60 establishes the call path between the first and second PCXs 30 and 40, the VMS 60 changes the telephone number for the first mobile terminal 10 and the first mobile terminal 10 that requests the telephone number change. The announcement broadcast about the call position of the call to the second mobile terminal (12).

With reference to the flowchart of FIG. 2, the number change announcement broadcast method of the personal communication switch which has the above-mentioned structure is demonstrated in detail.

First, the first mobile terminal 10 inputs a change request message for changing its own phone number to the first PCX 30 through the base station 15 and the base station controller 20 corresponding thereto, and then the first mobile terminal 10. After a new telephone number has been allocated from the PCX 30, it is explained on the assumption that it is in use (step 200).

The second mobile terminal 12 dials the unchanged telephone number for the first mobile terminal 10 and transmits it to the base station 15 in order to talk to the first mobile terminal 10 (step 201). 15 receives and transmits to the BSC 20 the telephone number before the change of the first mobile terminal 10 generated from the second mobile terminal 12 (step 202), and the BSC 20 receives the base station 15 Control the base station 15, and transmits the telephone number before the change for the first mobile terminal 10 received from the base station 15 to the call processor 32 inside the first PCX (30). (Step 203).

The call processor 32 inside the first PCX 30 transmits the telephone number before the change of the first mobile terminal 10 transmitted from the BSC 20 to the number translation unit 34 so that the number can be translated. Control (step 204), after receiving the number translated result message from the number translation unit 34, and transmitting the location request message for the first mobile terminal to the HLR 50 by this number translation result message (step 205).

After receiving the location request message for the first mobile terminal 10 transmitted from the call processor 32, the HLR 50 may recognize that the first mobile terminal 10 is a number change subscriber and this number. A routing request message including the change parameter is sent to the second PCX 40 (step 206). The second PCX 40 transmits to the HLR 50 a routing request response message to which the TLDN is assigned by the routing request message sent from the HLR 50 (step 207). The HLR 50 transmits to the call processor 32 a routing request response message to which the TLDN transmitted from the second PCX 40 is assigned (step 208). The call processor 32 transmits the IAM by the routing request response message to which the TLDN transmitted from the HLR 50 is assigned to the second PCX 40 to start call setup (step 209).

After receiving the IAM transmitted from the first PCX 30, the second PCX 40 confirms that the number is changed by the TLDN, and then recognizes that the first mobile terminal 10 is the number changed subscriber. A routing request message including a number change parameter is transmitted to the VMS 60 by the IAM, and an ack message and an answer message for the routing request message transmitted from the VMS 60 are received. Transfer to PCX 30 to establish a call path (step 210). After the VMS 60 establishes the call path between the first and second PCXs 30 and 40, the VMS 60 changes the telephone number for the first mobile terminal 10 and the first mobile terminal 10 that requests the telephone number change. The announcement broadcast for the call position of the call to the second mobile terminal 12 (step 211).

According to the present invention described above, after the VMS is interlocked with the exchange, the changed telephone number is automatically received as a guide broadcast is automatically transmitted to the telephone number after the change using the VMS and the call location of the mobile subscriber who requested the telephone number change. There is an effect that can conveniently call the mobile subscriber having a number.

Claims (1)

The personal communication switch having a plurality of mobile terminals transmits the telephone number of any one first mobile terminal whose number is changed to another second mobile terminal which has requested a call connection by using a second personal communication exchange having a voice mail service. In the way, Allocating a newly changed telephone number to the first mobile terminal in response to a number change request message from the first mobile terminal; When the telephone number before the change for the first mobile terminal is input by the other second mobile terminal, the telephone number before the change is translated, and the number translated result message for the first mobile terminal. Sending a location request message; Transmitting a routing request message including a parameter for identifying that the first mobile terminal is a number change subscriber and the number change parameter to the second personal communication switch; Sending a routing request response message assigned a temporary location directory number to the first personal communication exchange in response to the routing request message; Sending, by the first personal communication exchange, an initialization address message according to a routing request response message assigned the temporary location directory number to the second personal communication exchange to initiate call setup; Causing a communication path with the first personal communication exchange to be formed at the second personal communication exchange; After the call path is formed, the second mobile terminal provides the announcement service for the changed telephone number for the first mobile terminal and the call location of the first mobile terminal that requested the telephone number change in the voice mailbox service. The number change announcement broadcast method comprising the step of transmitting to.