KR19980035209A - Communication status guidance method in electronic switching system - Google Patents

Abstract

The present invention relates to a communication status guiding method in an electronic switching system. In the case of performing PC communication, a plurality of subscriber terminals are in PC communication so as not to transmit a call signal to the subscriber terminal in PC communication. When a call setup request is generated from the first subscriber terminal (T1) among subscriber terminals of the subscriber station, the number is translated by the NTP 27 to determine whether the number is registered in the database 50, and the communication mode guide flag is selectively set. Then, call processing is performed for the call setup request, and when a call setup request is generated from the second subscriber station Tn with respect to the first subscriber station T1, the call mode request function flag is normally set according to the setting state of the communication mode guide function flag. Is configured to perform a busy processing of a call or a PC communication guide message, and a communication mode guide function flag for the first subscriber terminal is' In the state set to 'ON', the call signal from the second subscriber station (Tn) is not transmitted to the first subscriber station (T1), and the second subscriber station (T1) during the PC communication of the first subscriber station (T1). Recording the voice message of Tn) and automatically calling the first subscriber station T1 at the end of PC communication of the first subscriber station T1 to transmit the voice message of the recorded second subscriber station Tn. will be.

Description

Communication status guidance method in electronic switching system

The present invention relates to a communication status guidance method in an electronic switching system, and more particularly, in a state in which a first subscriber terminal is connected to a communication server (or an information server) via a communication modem to perform computer communication (PC communication). When a call setup request is generated from the second subscriber terminal for the first subscriber terminal, the first subscriber terminal informs the user that the first subscriber terminal is in PC communication, and then records a voice message of the second subscriber terminal to record the first subscriber. It relates to a communication status guidance method in the electronic switching system to be automatically delivered when the communication termination of the terminal.

According to a well-known electronic switching system, a call path is automatically established by calling a called party's terminal automatically in response to a call setup request generated from a calling party's subscriber terminal (i.e., a telephone) while a plurality of subscriber terminals are connected. The voice signal of the calling party or called party is mutually exchanged / transmitted through the established communication path.

For such an electronic switching system, in addition to an exchange exchange function of voice signals between subscriber terminals by a telephone, an exchange function for computer communication (PC communication) that performs a recent search for specific information or transfer of text information between subscriber terminals. Also added state.

That is, for such PC communication, if a built-in or external communication modem is added to a computer terminal and calls / connects a specific call number (i.e., server-side phone number of PC communication information) through a subscriber line, the PC communication is performed. From the various information provided on the server side of the information, it is possible to acquire desired information or to transfer / exchange text information for specific / unspecified PC communication subscribers.

In general, when PC communication is performed between a communication information server or a specific / unspecified PC communication subscriber using a computer terminal as a subscriber terminal, the computer terminal for PC communication is alternatively connected to the connector means to which the telephone as the subscriber terminal is connected. In one state, the communication path of the PC communication is established by accessing the server-side telephone number of the PC communication information. Here, the execution time of the PC communication is generally performed over a long time compared to the talk time by a normal telephone. In such a state, the subscriber terminal that executes the PC communication in the subscriber terminal of its own station or the subscriber station of another station is used. Even if the call is executed, a busy tone is generated continuously for the subscriber terminal in PC communication, and the calling party's terminal can confirm that the called party's terminal is in PC communication. There is a frequent occurrence of repeated calls to the called party's subscriber terminal in PC communication.

In addition, the subscriber station of the local station or another station is in the middle of executing PC communication by the computer terminal while the telephone terminal and the computer terminal are connected in parallel with a plurality of connectors installed for the call number of one subscriber station. When the subscriber terminal in the PC communication is called, when the telephone terminal is unhooked unknowingly, the PC communication being executed by the computer terminal is automatically stopped, and the important information acquired by the PC communication is lost accordingly. It often happens that, in that case, the called party's terminal also has the disadvantage of having to call the PC communication server again while the call with the calling party's terminal is terminated.

In addition, if a call is made from a second subscriber terminal while the first subscriber terminal is performing PC communication, it is impossible to confirm the calling party's terminal when the first subscriber terminal does not answer the call from the second subscriber terminal. This makes it impossible to respond to a condition requiring an urgent connection from the second subscriber terminal.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and when the first subscriber station is in a PC communication mode and a call signal of the first subscriber station is generated from the subscriber station of the own station or another station, In the electronic switching system, the first subscriber terminal is automatically informed by the announcement message while blocking the call signal, and the voice message of the second subscriber terminal is recorded and automatically transmitted at the end of the communication of the first subscriber terminal. The purpose is to provide a communication status guidance method.

In order to achieve the above object, according to a preferred example of the present invention, a centralized call processing for multiple ASS-S and local call processing from each ASS is performed. An electronic switching system having an INS to perform and an NTP installed in the INS for translating a call number from the subscriber terminal, wherein the call numbers of the information communication server are registered in a database accessible by the plurality of subscriber terminals. In the case of a call setup request from a first subscriber terminal among the plurality of subscriber stations, the number is translated by the NTP to determine whether the number is registered in the database, and the communication mode guide flag is selectively set. Perform call processing for the request, and for the first subscriber terminal from the second subscriber terminal. When a call setup request is generated, a normal busy process or a PC communication guide message is sent out according to the setting state of the communication mode guide function flag.

Communication status guide in the electronic switching system configured to record the voice signal from the second subscriber terminal into a memory area of the database and automatically transmit the first subscriber terminal by calling the first subscriber terminal upon completion of PC communication of the first subscriber terminal. A method is provided.

Preferably, the setting of the communication mode guide function flag for the first subscriber terminal is automatically set by inputting a member number and a password inputted when a call number registered in the database is called.

In addition, when the communication mode guide function flag for the first subscriber terminal is set to 'ON', the call signal from the second subscriber terminal is not transmitted to the first subscriber terminal.

Further, the voice message of the second subscriber terminal to the first subscriber terminal is selectively executed from the second subscriber terminal according to the guidance of the recording mode.

According to the communication status guide method in the electronic switching system according to the present invention having the above-described configuration, the first subscriber terminal is executing the PC communication while the caller number of the PC communication server is registered in the data memory. When a call is made, the caller automatically informs the caller of the PC communication during the PC communication according to the state of the communication mode flag set in the first subscriber terminal, and automatically activates the voice recording mode for the second subscriber terminal. In response to the voice recording mode, the voice message of the second subscriber station is recorded and the first subscriber station is called and automatically transmitted when the first subscriber station terminates PC communication.

1 is a schematic block diagram of an electronic switching system for executing a communication status guide method according to a preferred embodiment of the present invention;

2 is a flowchart illustrating a communication state guidance method in an electronic switching system according to a preferred embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

10a-10n: ASS-S, 12a, 12b: Analog Subscriber Block (ASI),

14: ASIP, 16: Access Switching Processor (ASP),

18: TSL (Time Switch / Link Match Block),

20: network control subsystem (INS),

21: central data link block (CDL), 22: space switch block (SSW),

23: Global service interface (GSI),

25: internal network processor (INP), 26: HIPCU,

27: NTP, 30: ASS-T,

40: central control system (CCS), 50: database.

Hereinafter, preferred examples of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic block diagram of an electronic switching system for executing a communication status guide method according to a preferred embodiment of the present invention.

In the figure, reference numerals 10a-10n denote ASS-S (Acess switching subsystem-subscriver), each of which is connected to a plurality of subscriber stations (T1-Tn) to execute the overall function of localized call processing. Interconnection network subsystem (INS), which performs the overall function of call processing concentrated from ASS (10a-10n), represents 30 between the corresponding electronic switching system and another electronic switching system (not shown). ASS-T (Acess Switching Subsystem-trunk) for exchanging call signals in the system, 40 is the central control system (Central control) that is connected to the INS (20) to perform charging processing and centralized operation and maintenance functions subsystem; CCS).

Among them, the ASS-T (10a-10n) is an analog subscriber registration block (ASI; 12a, 12b) for performing functions such as matching and polarity inversion and PPM transmission for the general subscriber, public telephone subscriber and PBX subscriber, ASIP 14, which is composed of a load balancing structure and performs an internal call processing function to perform data processing and control functions required for registration between the general analog subscriber, the public telephone subscriber, and the PBX subscriber executed in the ASI 12a12b. In addition, the ASI (12a, 12b) and the LSI (Local interface (Signal Service Matching End)) is matched to the sub-highway while the other optical system for the call processing to other subsystems or other electronic switching system (Optical link) Through time-switching switch / link matching block (TSL; 18) and the corresponding ASS (10a, ---, 10n) that is matched with the INS (30) through the overall management of its own through the TSL (16) Performing traffic processing An access switching processor (ASP) 18 is configured.

In addition, the INS 20 performs an E / O and D / O conversion functions for link matching with the TSL 16 of the ASS 10a-10n. Central data link (CDL) 21 performing a clock conversion function and a data error detection function, and a mutual path change function of the TSL 16 located at each ASS 10a, ---, 10n. And a space switch block (SSW) that performs a space switching function, a number change guide, an absence guide, and a guide message during execution of a communication mode assumed in the present invention (i.e., a subscriber terminal of a call destination is a PC). A global service interface (GSI) 23 for providing outgoing service of a message indicating that communication is in progress and a message for guiding the voice recording mode of the subscriber terminal of the calling party to be delivered to the subscriber terminal of the calling party; Performs search and management of a call using the GSP 24 and the SSW 22 to control the overall operation Is an internal connection network processor (INP) 25, a signal connected to the CDL (21) is provided in the ASS (10a, ---, 10n) and the CCS (40) and the corresponding INS (20) High-speed interprocessor communication unit (HIPCU) 26 performing an inter-processor communication (IPC) function between the ASP (18) / GSP (24) / CCS (40), etc.), and the ASS ( And a Number Translation Part (NTP) 27 which performs number translation in response to the number translation request from the ASP 18 provided in 10a-10n) and executes a root control function.

In Fig. 1, reference numeral 50 preferably denotes a database by a semiconductor memory device such as EEPROM in which a call number of a PC communication server (e.g., "Chillian", "Nunuri", etc.) assumed in the present invention is registered in advance. As shown, the database 50 does not employ any additional semiconductor memory elements, but instead can be registered in the memory means or registers embedded in the NTP 27, or can be directly controlled by the ASP 18. Memory may be applied.

In addition, the voice recording guide message is transmitted to the calling party subscriber terminal by the GSI 23 in the database 50, and then a special function key (e.g., '#') is operated from the subscriber terminal. A data area in which voice signals from subscriber terminals are digitally processed and stored in a known manner is allocated.

Next, a communication state guidance method in an electronic switching system according to a preferred embodiment of the present invention will be described in detail with reference to the flowchart shown in FIG.

First, in the database 50, a call number assigned to a PC communication server accessible by the corresponding electronic switching system is registered in step 60.

In that state, for example, by inputting a specific call number (i.e., call number of the PC communication server) in the setting state of the call mode guide function to the first subscriber terminal (e.g., T1) connected to the ASS-S 10a. When the call setup request is inputted, the digit 20 corresponding to the call number is transferred from the ASP 18 of the ASS 10a to which the first subscriber station T1 is connected. And HIPCU 26 are sequentially transmitted to the NTP 27.

Here, the setting of the communication mode guide function in the first subscriber terminal T1 is for connecting to the PC communication server in a state where the first subscriber terminal T1 is replaced by a computer terminal having a modem for PC communication. When the status of entering the membership number and password is translated is automatically set. Further, the setting of the communication mode guide function is performed when the input of the member number and password for PC communication is confirmed from the computer terminal applied as the first subscriber terminal T1 in the ASP 18 of the ASS-S 10a. It is preferable to make it possible to set automatically.

Accordingly, the NTP 27 determines whether the translated call number is included in the number registered in the database 50 after translating the call number input from the first subscriber terminal in step 64. A determination is made as to whether to set a communication mode guide function flag based on input of a member number or password for PC communication of the first subscriber terminal T1 applied from the ASP 18 of the ASS-S 10a. Done.

As a result of the determination, the call number from the first subscriber terminal T1 is the call number of the PC communication server registered in the database 50, and the PC communication member number and password for setting the communication mode guide function are input. If it is, the NTP 27 determines that the call setup from the first subscriber terminal is a request for PC communication in step 68 and sets the call mode guide function flag to 'ON', while setting the communication mode guide function. If the PC communication member number and password for the state has not been entered, it is determined as a request for a normal call setup and the communication mode guide function flag is set to 'OFF' in step 70.

Thereafter, the NTP 27 sets the call mode guidance function flag to 'ON' or 'OFF' and then requests from the first subscriber terminal T1 through the HIPCU 26 based on the number translation result. The subscriber of one call establishment request a call setup to the ASP side of another ASS-S (10b, ---, 10n) in the electronic exchange system of the home country to which the call establishment target is connected or the electronics of another station through the ASS-T (30). A call setup is requested to the switching system so that a PC communication or a normal call with the counterpart subscriber terminal which has requested call setup at the first subscriber terminal T1 is executed.

The second subscriber terminal, which has the first subscriber terminal T1 as the called party in step 72, while the first subscriber terminal T1 performs the PC communication in step 68 or the normal call mode in step 70; (Eg, when a call setup request is generated from a subscriber station 'Tn' connected to the ASS-S 10a), the ASP 18 responds to the call setup request by the NTP 27 of the INS 20. The first subscriber terminal (T1) number translation is required for.

Accordingly, the NTP 27 performs a translation of the number of the first subscriber station T1, which is the target of the call setup request, in step 74 and then a communication mode guide function flag for the first subscriber station T1. Is determined to be in the 'ON' or 'OFF' state, and as a result of the determination, the first subscriber station T1 is in a state in which the communication mode guide function flag is 'OFF' in step 70 for a normal call (i.e., 'NO' at 74, the status is notified to the ASP 18 of the ASS-S 10a to which the first subscriber station T1 is connected via the HIPCU 26. Accordingly, the ASP 18 generates a busy tone indicating that the first subscriber station T1 is in a call in step 76 to call the first subscriber station T1. A normal talk tone generation process is performed so that the first subscriber terminal T1 is in a call state.

On the other hand, if the communication information mode setting flag is set to 'ON' in step 68 while the first subscriber station T1 executes PC communication, the flag setting state is the HIPCU. When it is delivered to the ASP 18 of the ASS 10a via the 26, the ASP 18 sends an IPC message to the GSP 24 through the CDL 21 to HIPCU 26 to INP 25. GSI 23 is activated by the GSP 24 by transmitting.

Accordingly, in the GSI 23, a communication mode guide message 'subscriber is in PC communication' is generated in step 78, and the guide message is SSW 22 → CDL 31 → TSL 16 → ASI. Through 14, it is transmitted to the second subscriber station Tn as the caller.

In the GSI 23, when the first subscriber station T1 is in communication with the second subscriber station Tn in step 80, for example, if a voice message needs to be recorded, press the '#' button and record the voice. When the voice signal is input after the '#' button is operated from the second subscriber station Tn in response to the guide message, the voice message is controlled under the control of the GSP 24. The voice signal area of the database 50 is recorded.

Subsequently, when the PC communication of the first subscriber station T1 is terminated in step 82, the ASP 18 of the ASS-S 10a is called through the ASI 12a in step 84. A signal is transmitted to the first subscriber terminal T1 so that a call can be made, and when the telephone of the first subscriber terminal T1 is off-hook, voice recording from the ASP 18 is performed. When a signal requesting reproduction is transmitted to the INP 25 through the CDL 21 and the HIPCU 26 of the INS 20, the INP 25 controls the GSP 24 to control the database 50. The voice message of the second subscriber station (Tn) recorded in the to be transmitted to the ASS-S (10a) side through the GSI (23), the SSW (22) and the CDL (21), accordingly the voice The signal is transmitted to the first subscriber station T1 side through the TSL 16 and the ASI 12a of the ASS-S 10a, so that the first subscriber station T1 side receives the signal. During the PC communication it can confirm a voice message from a second subscriber station (Tn).

Here, when the first subscriber station T1 is in PC communication, the call signal for the first subscriber station T1 required by the second subscriber station Tn is controlled under the control of the ASP 18. It is not delivered to the subscriber terminal T1 side, and thus, when the modem for PC communication is connected while the telephone is connected by the connector, the call signal of the calling party is not transmitted through the telephone. The response will be excluded.

On the other hand, the guidance message indicating that the PC subscriber communication to the first subscriber terminal (T1) is the ASS-S (10b, ---, 10n) of its own station or the other station connected via the ASS-T (30) When the first subscriber station T1 is called from the second subscriber station Tn connected to the electronic exchange system, the same or similar transmission is made.

As described above, according to the communication status guidance method in the electronic switching system according to the present invention, the first subscriber terminal registers the call number of the PC communication server in the database and sets the call number for the call number in the state of PC communication. Even when the first subscriber terminal is called from the second subscriber terminal, the second subscriber terminal is informed that the first subscriber terminal is in PC communication while the caller signal is not transmitted to the first subscriber terminal. Since the voice message of the subscriber terminal is recorded and automatically transmitted when the first subscriber terminal ends communication, the repeated call to the first subscriber terminal can be prevented and the interruption state of the PC communication due to the transmission of the call signal is prevented. It can be prevented, and it is also possible to confirm the voice message transmitted to the first subscriber terminal during PC communication.

Claims (4)

Centralization of multiple ASS-S (10a-10n) and local call processing from each ASS (10a, ---, 10n) to perform local call processing generated from multiple subscriber stations (T1-Tn) In the electronic switch having a INS (20) for performing the call processing, and NTP (27) installed in the INS (20) for translating the call number from the subscriber terminal, When a plurality of subscriber stations (T1-Tn) have registered the call number of the information communication server in an accessible database (50), if a call setup request is generated from the first subscriber terminal (T1) among the plurality of subscriber stations, After translating the number in the NTP 27 to determine whether the number is registered in the database 50, selectively setting a communication mode guide flag, and performing call processing for the call setup request, the first subscriber terminal When a call setup request is generated from the second subscriber station Tn with respect to T1, a normal busy process or a PC communication guide message is sent according to the setting state of the communication mode guide function flag. After the guidance during the PC communication to the subscriber terminal T1 is performed, the voice message of the second subscriber station Tn is recorded and automatically terminated when the PC communication of the first subscriber terminal is terminated. Communication status guidance method in an electronic switching system, characterized in that configured to be transmitted. The method of claim 1, wherein the setting of the communication mode guide function flag for the first subscriber terminal (T1) is automatically set by inputting a member number and password inputted when a call number registered in the database 50 is called. Communication status guidance method in an electronic switching system, characterized in that the. The method of claim 1, wherein the call mode from the second subscriber station (Tn) is not transmitted to the first subscriber station (T1) when the communication mode guide function flag for the first subscriber station is set to 'ON'. Communication status guidance method in an electronic switching system, characterized in that. The voice message from the second subscriber terminal (T2) is guided through the PC communication of the first subscriber terminal (T1), and then the operation of the voice recording mode button is guided to input from the operation of the button. Recording the voice signal into the database, and automatically calling the first subscriber terminal when the first subscriber terminal T1 terminates PC communication, and transmitting the recorded voice message. Status guide.