KR20020058806A - Apparatus and method for processing multi-bell service to public-switched-telephone-network subscribers in electronic-switching-system - Google Patents

Abstract

PURPOSE: A multiplex ringing tone transmitting apparatus and method for a PSTN subscriber in a full electronic telephone exchange are provided to provide multi-bell service subscribers with a plurality of telephone numbers including the existing telephone number and corresponding multiplex ringing tones without additionally installing a telephone line and a hardware by making interrupt periods of ringing tones to be differently formed according to a plurality of logical telephone numbers and transmitting the generated particular ringing tones to a destination subscriber. CONSTITUTION: When a call is requested by an arbitrary originating subscriber terminal to an originating full electronic telephone exchange, a destination full electronic telephone exchange interworks in order to occupy a corresponding destination call(S20). The destination full electronic telephone exchange receives the requested destination call and performs a destination call translation by interworking an inserted INP(Interface Network Processor)(S30). It is checked whether the received telephone number of the destination subscriber terminal is a logical telephone number(S40). If the telephone number is a logical telephone number, a corresponding logical telephone number and a ringing tone type mapped for the corresponding telephone number are searched by using a multi-bell DB and extracted(S60). The ringing tone extracted from the multi-bell DB is transmitted to an SSP(Service Switching Point)(S70), and interrupt ratio information of the ringing tone type determined through an occupancy procedure is transmitted to the corresponding destination subscriber terminal, thereby outputting the corresponding ringing tone to the occupied destination subscriber terminal(S80).

Description

Apparatus and method for processing multi-bell service to public-switched-telephone-network subscribers in electronic-switching-system}

The present invention relates to an apparatus and method for transmitting multiple call sounds to subscribers of a public switched telephone network (hereinafter referred to as PSTN) in an electronic switch (TDX-100). By using the called party data stored in the bell DB, the specific call tone is transmitted to the called party, so that the receiver can distinguish the incoming call according to the ring tone of the telephone received from the outside. The present invention relates to an apparatus and method for transmitting multiple call sounds to a public telephone network subscriber in an electronic switching system.

Currently, the call connection providing method for voice subscribers of an electronic switchboard is assigned a single telephone number that is mapped to a single subscriber's telephone line. Send a single ringing tone (that is, a ringing tone of 1 second per second) to the occupied called party.

As described above, when the called subscriber wants to receive a plurality of logical telephone numbers including the existing telephone numbers of a single subscriber's telephone line, even if a separate additional facility is installed, the interruption period of the ringing tone is transmitted. There is a problem that can not distinguish the phone acoustically.

The present invention has been proposed in view of the above-described problems as described above, and a multi-bell service for allowing a receiver to distinguish an incoming call according to a ring tone of a telephone received from the outside (TDX-100). In order to provide to the voice subscribers accommodated in the user, a specific ringing period is generated by differently forming the interruption period of the ringing tone according to the plurality of logical telephone numbers assigned to the called subscribers by using the incoming subscriber data stored in the multi-bell DB in the electronic switchboard. By sending the ringing tone to the called party, it is possible to provide multiple telephone numbers including the existing telephone number and the corresponding multi-calling tone to the multi-bell service subscribers of the electronic switchboard without installing additional telephone lines and hardware. , Assigning multiple telephone numbers to a single subscriber telephone line and The purpose of the present invention is to implement an apparatus and method for transmitting multiple call sounds to subscribers of public telephone networks in TDX-100, which extends the service coverage applicable to logical telephone numbers by providing each ring tone according to an arbitrary call. It is done.

1 is a block diagram showing a connection relationship of all electronic switch providing a multi-bell service according to the present invention.

2 is a flowchart illustrating a process of performing a multi-bell service provided by the present invention.

<Description of Symbols for Major Parts of Drawings>

10: calling subscriber terminal 20: calling party electronic switch

30: destination exchange electronic exchange 37: physical telephone number field

38: Logical telephone number field 39: Call tone information field

40: interface control processing unit 50: multi-bell DB

60: service exchange 70: incoming subscriber terminal

In order to achieve the above object, the multi-call sound transmission apparatus for a public telephone network subscriber in the electronic switchboard (TDX-100) of the present invention,

A switchboard for performing a multi-bell service for providing a different ring tone according to a logical telephone number inputted from a caller;

The electron exchanger,

A multi-bell DB for managing a plurality of logical telephone numbers for a single physical subscriber telephone line and storing ring tone type information for mapping to each logical telephone number;

An interface control processor for retrieving the actual physical number translation corresponding to the call and the call tone type corresponding to the number by interworking the multi-bell DB when a call connection request is input from an originating subscriber terminal;

It provides a network access to the called subscriber terminal on the PSTN or provides a switching function required for call connection, and having a service switch for transmitting the ring tone according to the call tone type information input from the interface control processing unit to the called terminal. It features.

In addition, the multi-call sound transmission method for the public telephone network subscriber in the TDX-100 of the present invention for achieving the above object,

A first step of determining whether the called number is a physical number by referring to a multi-bell DB through an interface control processor when a connection request for an incoming call is requested from an originating subscriber terminal;

A second step of recognizing a logical telephone number if it is not a physical telephone number as a result of the determination and searching for a ring tone type mapped to the requested logical telephone number in a multi-bell DB;

A third step of requesting to perform an occupancy procedure for the incoming call by transmitting the searched interruption ratio information of the ringing tone to a service switch (SSP);

And a fourth process of transmitting the call tone to the occupied called subscriber terminal.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing a connection relationship between an electronic switch (TDX-100) providing a multi-bell service according to the present invention.

A multi-bell DB 50 that manages a plurality of logical telephone numbers for a single physical subscriber telephone line and stores information about the logical telephone number of the subscriber so as to extract the logical telephone numbers for each ring tone type;

When the incoming call occupancy is requested from the calling party terminal 10 to the called party terminal 40, the interface control processing unit for interlocking the multi-bell DB (36) to retrieve information about the incoming subscriber terminal 40 (Interface Network) Processor (hereinafter referred to as INP) 32;

It provides network access to the called party terminal 40 on the PSTN or provides an exchange function required for call connection, and transmits a ring tone according to the call tone type input through the interface control processing unit 32 to the called party terminal. A service switching point (hereinafter referred to as SSP) 34 is provided.

Here, when the incoming call is input, the interface control processor 32 determines whether the called number is a physical number or a logical number. If the incoming number is a logical number, the interface control processor 32 detects a ringtone type corresponding to the logical number in the multi-bell DB.

Referring to the structure of the multi-bell DB, as shown in Fig. 2, a physical telephone number field 37 for storing a single physical telephone number, and a logical telephone number for storing a plurality of logical telephone numbers assigned to the physical telephone number. Field 38; And a ring tone information field 39 for storing a ring tone type corresponding to each of the plurality of logical telephone numbers.

The operation of each part implemented as described above will be described in detail. As a call connection is requested from the calling party terminal 10 to the called party terminal 40, the incoming call occupancy request from the calling party exchanger 20 is called by the called party. Received at the exchange 30. The called-side electronics exchanger (30) uses the multi-bell DB (36) to translate the telephone number of the called subscriber terminal received by interlocking the INP (32), and to retrieve information about the called subscriber terminal (40). To start the search. The call tone type of the called party's terminal retrieved is transmitted to the SSP 34 to request that the set ring tone is transmitted to the called party's terminal 40.

The multi-bell service execution process as described above will be described in detail with reference to the flowchart of FIG. 3.

When a call is requested from the originating subscriber terminal 10 to the originating telephone exchanger (TDX-100) 20, the receiving party telephone exchanger (TDX-100) 30 is interlocked to occupy the incoming signal. S20). After receiving the requested incoming call, the called party switching electronic switch 30 performs incoming call translation by interworking with the built-in INP 32 (S30). Directory Number -1 ... n) is assigned, so that the received telephone number of the called party's terminal is a physical telephone number first generated and used on a physical telephone line or a logical telephone number added to perform a multi-call tone. do. In the case of the first physical phone number generated as a result of the check (No in S40), it transmits a single ring tone (two seconds in one second) used in the past (S50).

In addition, if the check result is a logical telephone number (Yes in S40), the corresponding logical telephone number using the multi-bell DB 36 that stores a plurality of logical telephone numbers and corresponding ring tone types (1 ... n) (1 ... n) and the call tone type mapped to it are searched and extracted (S60).

In this case, the ring tone types are distinguished by different combinations of control ratios according to respective logical telephone numbers. For example, the existing single call sound is 1 second 2 seconds in the operation standard, type 1 stored in the multi-bell DB is 1 second 2 seconds, type 2 is 0.2 seconds 0.4 seconds (1st) + 0.4 seconds 1.0 seconds (2nd). Type 3 consists of 0.4 sec. 0.6 sec. (1st) + 0.4 sec. 1.6 sec. (2nd), etc., and each interruption ratio can be input or changed by using a command when operating the TDX-100.

After transmitting the specific ring tone extracted from the multi-bell DB 36 to the SSP (34) (S70), by transmitting the intermittent ratio information of the ring tone type determined through the occupancy procedure for the called party terminal 40, The corresponding ring tone is output to the called subscriber terminal (S80).

As described above, the present invention provides a multi-bell service that allows a receiver to distinguish an incoming call according to a ringing tone of a telephone received from the outside, in order to provide a voice subscriber accommodated in the electronic switchboard. By using the called subscriber data stored in the multi-bell DB of the receiver, the specific ringing tone generated by differently forming the interruption cycle of the ringing tone is transmitted to the called subscriber according to a plurality of logical telephone numbers given to the called subscriber. Service subscribers can provide multiple phone numbers, including existing phone numbers, and multiple call tones without installing additional telephone lines and hardware, and multiple phone numbers for a single subscriber line. By providing each recipient a ring tone for any call. Lee has the advantage that you can extend the service coverage that can be applied for each phone number.

In addition, preferred embodiments of the present invention are disclosed for the purpose of illustration, those skilled in the art will be able to make various modifications, changes, additions, etc. within the spirit and scope of the present invention, such modifications and modifications belong to the following claims You should see.

Claims (5)

A switchboard for performing a multi-bell service for providing a different ring tone according to a logical telephone number inputted from a caller; The electron exchanger, A multi-bell DB for managing a plurality of logical telephone numbers for a single physical subscriber telephone line and storing ring tone type information for mapping to each logical telephone number; An interface control processor for retrieving the actual physical number translation corresponding to the call and the call tone type corresponding to the number by interworking the multi-bell DB when a call connection request is input from an originating subscriber terminal; Either providing a network access to the called subscriber terminal on the PSTN or providing a switching function required for call connection, and having a service switch for transmitting a ring tone according to the call tone type information input from the interface control processor to the called terminal. Multi-call sound transmission device for public telephone subscribers in the TDX-100. The method of claim 1, The provided multi-bell is a multi-tone ringtone transmission device for a public telephone network subscriber in the switchboard (TDX-100), characterized in that each of the ringtones produced by different control ratio. A first step of determining whether the called number is a physical telephone number by referring to a multi-bell DB through an interface control processor when a connection request for an incoming call is requested from an originating subscriber terminal; A second step of recognizing a logical telephone number if it is not a physical telephone number as a result of the determination and searching for a ring tone type mapped to the requested logical telephone number in a multi-bell DB; A third step of requesting to perform an occupancy procedure for the incoming call by transmitting the searched interruption ratio information of the ringing tone to a service switch (SSP); And a fourth process of transmitting a corresponding ring tone to the occupied incoming subscriber terminal. The method of claim 3, wherein In the first step, if the incoming call number is determined as a physical number, the multiple call sounds for the public telephone network subscribers in the TDX-100, which are transmitted to the incoming subscriber terminal, which are general call sounds, are performed for 1 second and 2 seconds. Transmission method. The method of claim 3, wherein The provided multi-bell is a ring tone generated by varying the intermittent ratio, respectively, multi-call ringtone transmission method for subscribers of the public telephone network in the switchboard (TDX-100).