KR102097284B1 - Message service method using private branch exchange and guide server - Google Patents

Abstract

The present invention relates to a method for providing a message service including a short message service (SMS) to an external terminal (10) connecting to a premises network. The external terminal (10) is connected to the premises network including a private branch exchange (PBX) (20), to which a plurality of extension terminals (42) are connected, and a guide server (30) connected to the PBX (20). Then, when a specific extension terminal (42) is designated, the guide server (30) sends an appropriate message to the external terminal (10) by using calling identification display (CID) information of the external terminal (10) and direct inward dialing (DID) information of the designated extension terminal (42). Therefore, the method can significantly increase the utility of information provided on the basis of the message service for a user of the external terminal (10) by a premises network management host.

Description

How to provide a message using an on-premises exchange and a guide server {MESSAGE SERVICE METHOD USING PRIVATE BRANCH EXCHANGE AND GUIDE SERVER}

The present invention relates to a method for providing a message service including an SMS (Short Messge Service) to an external terminal 10 that connects to the premises network, a private branch eXchange (PBX) to which a plurality of extension terminals 42 are connected. After the external terminal 10 is connected to the premises network consisting of 20 and the guide server 30 connected thereto, when a specific extension terminal 42 is designated, the guide server 30 of the external terminal 10 The appropriate message is sent to the external terminal 10 by utilizing CID (Calling Identification Display) information and DID (Direct Inward Dialing) information of the designated extension terminal 42.

Application to the premises exchange 20 In the operating entity of the premises network, between the external terminal 10 connected to the premises network via a public switched telephone network (PSTN) and the extension terminal 42 connected to the premises network Communication efficiency and convenience are key factors in securing the quality of external services.

In particular, in the case of a public network or a public network, such as a public institution or a company where the connection of the unspecified number of external terminals 10 is continuously and frequently, the user of the external terminal 10, which is a user or a customer, wants to speak. That is, it is required to promptly and accurately guide relevant information in preparation for additional calls that may be made in the future, as well as accurately specifying the employees of the public institution or company concerned.

Accordingly, a technology has been developed to provide information on the premises management entity or its members to the external terminal 10 using a message service including SMS, and related prior art may be disclosed in Korean Patent Publication No. 2011-15838. .

In providing information on the premises network or the extension terminal 42 to the user of the external terminal 10 through a message service by a conventional premises network operating entity, including Publication No. 2011-15838, promptness and convenience, etc. Some of the effects were obtained, but the actual utility was extremely limited.

First, in the prior arts including Patent Publication No. 2011-15838, after the call is basically ended, a user of the extension terminal 42 or an administrator of the premises network accesses a message server constructed separately from the premises network. It has a structure in which a message including a promotional phrase is sent by manipulation.

Therefore, it is difficult to ensure consistency or uniformity of message-related services, and it is difficult to provide sufficient information for users of the external terminal 10, that is, information related to the user of the extension object 42 to be called, and it is mainly uniformly preset. Promotional phrases or representative numbers are provided through messages.

The present invention was devised in view of the above-mentioned problems, and in a method of providing a message service to an external terminal (10) connecting to a premises network composed of a premises exchange (20) and a number of extension terminals (42), a public network and A guide server 30 is connected to the connected premises exchange 20, and a guide database 31 containing transmission information corresponding to DID information of the extension terminal 42 is connected to the guide server 30, and a premises exchange 20 ) Is connected to the exchange terminal 41, the external terminal 10 is connected to the intra-exchange 20 through the public network, and the intra-exchange 20 extracts the CID information of the external terminal 10, the guide server Step (30), and the exchanger (20) calls the exchange terminal (41), the step of connecting the external terminal (10) and the exchange terminal (41), and the exchange terminal (41) premises DID information The step of transmitting to the exchange 20, and transmitting the DID information transmitted by the on-premises exchange 20 to the guide server 30 Step and, the guide server 30 retrieves the transmission information corresponding to the DID information by querying the guide database 31 with the transmitted DID information, and transmitting the transmission information to the external terminal 10 through a message service And, the intra-exchange 20 and the intra-exchange and guide server characterized in that it consists of a step of connecting the external terminal 10 and the internal terminal 42 by calling the extension terminal 42 corresponding to the transmitted DID information It is a method of providing a used message.

In addition, the present invention is a method for providing a message service to an external terminal 10 connected to a premises network in which a premises exchange 20 and a plurality of extension terminals 42 are configured, and a guide server is provided in the premises exchange 20 connected to the public network. 30 is connected, the guide server 30 is connected to the guide database 31 containing the transmission information corresponding to the DID information of the extension terminal 42 is connected, the external terminal 10 through the public network premises exchange 20 ), The intra-exchange 20 extracts the CID information of the external terminal 10 and transmits it to the guide server 30, and the intra-exchange 20 calls the extension terminal 42 to external The terminal 10 and the extension terminal 42 are connected, the extension terminal 42 transmits DID information to the premises exchange 20, and the premises exchange 20 transmits the DID information to the guide server ( 30) and DID information by inquiring the guide database (31) with the DID information transmitted by the guide server (30). Withdrawing the corresponding transmission information, transmitting the transmission information to the external terminal 10 through a message service, and the extension switch 20 calls the extension terminal 42 corresponding to the transmitted DID information to call the external terminal ( 10) and the extension terminal (42) is a method for providing a message using an on-premises exchange and a guide server, characterized in that it consists of a step.

In addition, the present invention is a method for providing a message service to an external terminal 10 that connects to a premises network composed of a premises exchange 20 and a plurality of extension terminals 42, and a guide server 30 is provided to the premises exchange 20. Is connected, the public network is connected to the guide server 30, the guide server 30 is connected to the guide database 31 containing transmission information corresponding to the DID information of the extension terminal 42 is connected, the premises exchange (20) In the exchange terminal 41 is connected, the external terminal 10 is connected to the guide server 30 through the public network, and the guide server 30 extracts the CID information of the external terminal 10 in the premises exchange ( 20) the step of transmitting, and the intra-exchange 20 calls the exchange terminal 41 to connect the external terminal 10 and the exchange terminal 41, and the exchange terminal 41 transmits the DID information to the premises exchange. The step of transmitting to the (20), and the step of transmitting the DID information transmitted by the on-premises exchange (20) to the guide server 30, and the guide server (30) Searching the guidance database (31) with the transmitted DID information, extracting the transmission information corresponding to the DID information, and transmitting the transmission information to the external terminal (10) through a message service, and the premises exchange (20) This is a method of providing a message using a premises exchange and a guide server, characterized in that it consists of a step in which the external terminal (10) and the internal terminal (42) are connected by calling the extension terminal (42) corresponding to the DID information.

In addition, the present invention is a method for providing a message service to an external terminal 10 that connects to a premises network composed of a premises exchange 20 and a plurality of extension terminals 42, and a guide server 30 is provided to the premises exchange 20. Is connected, the public network is connected to the guide server 30, the guide server 30 is connected to the guide database 31 containing the transmission information corresponding to the DID information of the extension terminal 42 is connected, the external terminal (10) The step of accessing the guide server 30 through this public network, and the step of extracting the CID information of the external terminal 10 by the guide server 30 and transmitting it to the on-premises exchange 20, and the on-premises exchange 20 By calling the terminal 42, the step of connecting the external terminal 10 and the extension terminal 42, and the step of transmitting the DID information to the extension switch 20 by the extension terminal 42, and the extension switch 20 The step of transmitting the transmitted DID information to the guide server 30, and the guide database 30 with the DID information transmitted by the guide server 30 And extracting the transmission information corresponding to the DID information, and transmitting the transmission information to the external terminal 10 through the message service, and the extension terminal 42 corresponding to the DID information transmitted by the premises exchange 20. It is a method of providing a message using an on-premises exchange and a guide server, characterized in that the external terminal 10 and the internal terminal 42 are connected by calling.

Through the present invention, the utility of information provided based on the message service to the user of the external terminal 10 by the subject of the premises network operation can be significantly improved.

In addition, by automatically performing the message service provision process for the external terminal 10, it is possible to improve the convenience of the user of the premises network connection switching terminal 41 or the user of the extension terminal 42, and ensure the consistency and efficiency of the message service can do.

In particular, it is possible to provide the optimized information according to the user or processing task of the external terminal 10, by avoiding the uniform information provision of the prior art, while securing the utility of the provided information and at the same time. It is possible to improve the quality of external services of the premises operator.

1 is a block diagram of the present invention
2 is a modified embodiment configuration of the present invention
3 is a sequence diagram of the present invention
4 is a block diagram of an embodiment of an exclusion type exchange terminal of the present invention
5 is a sequence diagram of the embodiment of FIG. 4
6 is a configuration diagram of a shear-connected embodiment of the present invention
7 is a sequence diagram of the embodiment of FIG. 6
8 is a configuration diagram of an embodiment of the present invention in which the exchange terminal is excluded.
9 is a sequence diagram of the embodiment of FIG. 8

When explaining the detailed configuration and process of the present invention through the accompanying drawings are as follows.

First, FIG. 1 and FIG. 2 show each component performing the present invention and a connection relationship between the components, and FIG. 1 is an exchange terminal 41, to which an extension terminal 42 and a telephone having the same operation mode are applied. 2, IP-PBX (Intenet Protocol Private Branch eXchange) is applied as the branch exchange 20, and a computer and a headset are applied as the switching terminal 41 connected to the branch exchange 20. An example is shown.

That is, the network configuration illustrated in FIGS. 1 and 2 represents a traditional PBX local network and an IP-PBX local network, respectively, and the difference in network configuration information devices or communication protocols of the local network is substantial in the performance of the present invention. It does not make a difference, but does not specifically limit the scope of the claims.

As shown in Figures 1 and 2, the present invention is by an premises exchange (20), a guide server (30), a plurality of extension terminals (42), exchange terminals (41) and external terminals (10) constituting the premises network As it is performed, as shown in these drawings, a plurality of extension terminals 42 are connected to the premises exchange 20 to which the exchange terminals 41 are connected, and a guide server 30 to which the guide database 31 is connected is also on the premises. It is connected to the exchange 20, and the premises exchange 20 is connected to the public network, which is an external communication network, and waits for the connection of the external terminal 10.

Here, the public network is not limited to a public switched telephone network (PSTN), but includes a public switched telephone network and a public communication network including the Internet, as shown in FIG. 2, as an IP switch 20 -As the PBX is applied, the intra-exchange 20 is directly connected to the Internet, and the intra-exchange 20 may be connected to both the existing PSTN and the Internet as in the Internet and PSTN combined IP-PBX.

In the present invention, the guide server 30 connected to the on-premises exchange 20 is an information device that performs the provision of a message service, which will be described later, and is connected to the Internet to an external terminal 10 to send SMS, LMS (Long Messge Service) or MMS. (Multimedia Messge Service).

In particular, as shown in Figures 1 and 2, the guide server 30 of the present invention is connected to the guide database 31, the guide database 31 in providing a message service to be described later, each station ( 42) The transmission information corresponding to the DID information assigned to each is recorded, and as shown by a virtual line in the figure, the storage device of the guide server 30 is connected to the guide server 30 and the guide database 31. In the guide database 31 is built or guide server 30, the guide database 31 is built in external or remote storage, the storage and the guide server 30 can be connected to a variety of formats.

That is, the present invention is a method for providing a message service to an external terminal 10 connected to an premises network in which the premises exchange 20 and a plurality of extension terminals 42 are configured, and a guide server is provided to the premises exchange 20 connected to the public network. (30) is connected, the guide server (30) is connected to the guide database (31), the final call with the external terminal (10), or the external terminal (10) for each extension terminal (42) the user wants to call It is to provide the set optimal message to the external terminal (10).

Here, the transmission information corresponding to the DID information of the individual extension terminals 42 recorded in the guide database 31 connected to the guide server 30 is information that can identify each extension terminal 42 or its users, Basic information such as an extension exchange number or a direct telephone number of the extension terminal 42 may be included, as well as detailed information such as the name, title, or duties of the user of the extension terminal 42.

Accordingly, as described above, the external terminal 10 transmits the specialized information to the user of the extension terminal 42 making a call or attempting a call to the external terminal 10 through a message service such as SMS, LMS or MMS, thereby providing uniform publicity. By breaking away from the conventional message service that was limited to the transmission of text, it is possible to provide useful information that the user of the external terminal 10 actually needs.

In particular, in the present invention, the above-mentioned message service-based transmission information is provided immediately before or during a call between the external terminal 10 and the internal terminal 42, not after the termination of the call between the external terminal 10 and the internal terminal 42. By performing, the call connection between the external terminal 10 and the extension terminal 42 due to an unavoidable technical obstacle, or during the busy state or the absence of the user of the extension terminal 42, the appropriate information to the user of the external terminal 10 It is possible to provide a seamless subsequent call, thereby minimizing the inconvenience of the user of the external terminal 10.

As described above, the present invention is performed by connecting a guide server 30 to the exchange switch 20 connected to the exchange terminal 41 and a plurality of extension terminals 42, as shown in FIG. 3, wherein the outside terminal 10 is a public network. It is started with the step of connecting to the premises exchange 20 through.

That is, the external terminal 10 connects to the premises network through the public switched telephone network (PSTN) as shown in FIGS. 1 and 2, which allows the user of the external terminal 10 to make a call using the representative telephone number of the premises network or the like. 1, the external terminal 10 attempts to connect to the premises exchange 20 via a public switched telephone network simply as shown in FIG. 1, or as shown by a virtual line in FIG. The terminal 10 may be divided into a situation in which it attempts to access the IP-PBX premises exchange 20 via the public switched telephone network, the carrier server 19, and the Internet, and the user of the external terminal 10 has such details. As well as not being able to experience the communication path, a substantial and significant difference is not caused in the process of performing the present invention according to the detailed communication path. As described above, the public switched telephone network (PSTN) and the public network covering the Internet are used. Via external stage 10 may be summarized by connecting it to a private branch exchange (20).

Meanwhile, in FIGS. 1 and 2 and FIGS. 4, 6, and 8 to be described later, line segments indicating communication states connecting each component are divided into solid lines and broken lines, and the solid lines are traditional telephone communication. It can be said to indicate data communication such as controllability or callability signals and voice calls classified as so-called signaling, and broken lines indicate data communication such as TCP / IP-based signals. As in 2, when the IP-PBX is applied as the intra-exchange 20, the signaling and voice calls may also proceed to TCP / IP-based communication according to the network area, so the attached FIG. 1, FIG. 2, In FIG. 4, FIG. 6 and FIG. 8, the separation between the solid line and the broken line may be classified according to the actual content of the communication, not the type of communication.

That is, in Fig. 1, Fig. 2, Fig. 4, Fig. 6, and Fig. 8, communication in which the extension terminal 42 is called or a communication in which voice communication is in progress, which behaves the same as that of traditional telephone communication, is indicated by a solid line and data communication As the communication, where the guide server 30, such as SMS, is the point of departure, is indicated by a broken line.

As described above, when the step of connecting the external terminal 10 to the intra-exchange 20 through the public network is completed, as shown in FIG. 3, the intra-exchange 20 extracts the CID information of the external terminal 10 and provides a guide server ( 30) is performed, and the guide server 30 stores the transmitted CID information in its own storage.

CID (Calling Identification Display) information is information provided by a company that is commissioned by a public switched telephone network (PSTN) operator or a public switched telephone network operator, and is unique information that identifies the external terminal 10, and is usually an external terminal. The phone number in (10) is applied as CID information.

Thereafter, the step of connecting the external terminal 10 and the exchange terminal 41 by performing the on-premises exchange 20 calling the exchange terminal 41 is performed, where the exchange terminal 41 is an operator who manages the premises network. Alternatively, as an on-premise network access terminal of an agent in charge of external calls, in the embodiment shown in FIGS. 1 to 3, the outgoing call, that is, the inbound call, of the external terminal 10 is exchanged by the on-premises exchange 20 It is set to be connected to the terminal 41 first.

As such, the voice exchange between the external terminal 10 and the exchange terminal 41 proceeds through the step in which the premises exchange 20 calls the exchange terminal 41 to connect the external terminal 10 and the exchange terminal 41. At this time, the user of the external terminal 10 specifies the extension terminal 42 that he or she wishes to call, or the user of the extension terminal 42.

That is, assuming a situation in which the present invention is applied to a public institution or a premises network of a public institution, the above-described process is a civilian or customer calling the representative number of the public institution or enterprise, and accordingly a counselor who is the user of the exchange terminal 41 As a situation in which a call has been made, the civil servant or the customer can specify the public institution or company employee to whom he or she wants to speak, or by explaining the purpose of the call to the agent, the agent can specify the person in charge of the task.

As described above, the extension terminal 20 calls the exchange terminal 41 to connect the external terminal 10 and the exchange terminal 41 to the external terminal 10. When this is specified, the user of the switching terminal 41 operates the switching terminal 41, so that the step of transmitting the DID information to the switching exchange 20 by the switching terminal 41 is performed, and then the switching exchange 20 is transmitted. The step of transmitting the DID information to the guide server 30 is performed.

DID (Direct Inward Dialing) information is unique information assigned to each extension terminal 42 and is used to specify the extension terminal 42, and an extension extension number is usually applied.

When the DID information is transmitted to the guide server 30 by the premises exchange 20, the guide server 30 queries the guide database 31 with the transmitted DID information and retrieves the transmission information corresponding to the DID information. By transmitting information to the external terminal 10 through a message service, the user of the external terminal 10 can check the transmission information.

The guide server 30 of the present invention for transmitting the transmission information to the external terminal 10 through the message service, as shown in FIGS. 1 and 2, the transmission information and the external terminal described above to the communication server 19 through the Internet ( The transmission of the transmission information can be carried out by transmitting the CID information of 10), and in addition, a message sending server function such as an SMS server is installed in the guide server 30 itself, so that necessary behavior may be performed.

As described above, the transmission information is information stored in the guide database 31 so as to correspond to the DID information, and different contents may be set for each extension terminal 42, so that the user of the external terminal 10 is himself The extension exchange number or direct telephone number of the extension terminal 42 that attempted or called this call, as well as detailed information such as the name, rank, and duties of the user of the extension terminal 42 can be accurately and quickly confirmed.

Subsequently, the premises exchange 20 calls the extension terminal 42 corresponding to the transmitted DID information to perform the step of connecting the external terminal 10 and the extension terminal 42, whereby the external terminal 10 user and Voice communication may be performed between users of the extension terminal 42.

Particularly, in the present invention, just before the step of connecting the external terminal 10 and the internal terminal 42 by calling the extension terminal 42 corresponding to the DID information transmitted by the premises exchange 20, the guide server 30 By inquiring the guide database 31 with the transmitted DID information, extracting the transmission information corresponding to the DID information, and transmitting the transmission information to the external terminal 10 through a message service is performed, so that the external terminal 10 and Prior to voice communication between the extension terminals 42, transmission information is transmitted through a message service.

Accordingly, the user of the external terminal 10 can be promptly provided with accurate and detailed information about the user of the extension terminal 42 who wished to make the call, regardless of whether or not a call is connected to the user of the extension terminal 42.

On the other hand, in the present invention, as shown in Figure 4, the configuration in which the switching terminal 41 is excluded, that is, the extension terminal 42 is first connected without a counselor or an operator to be connected between the external terminal 10 user and the extension terminal 42 user When the call is made first, and the user of the external terminal 10 wishes to actually call the user in this process, first, the user of the extension terminal 42 in which the call has proceeded enters the DID information of the extension terminal 42 of the person in charge. It may be performed in a manner.

Here, the exclusion of the exchange terminal 41 does not mean the complete physical exclusion of the counselor or the operator, and the exchange terminal 41 in the state where the exchange terminal 41 used by the agent or operator is connected to the on-premises exchange 20. ) Is in the middle of a call, or when the counselor or operator is absent, the on-premises exchange 20 selects the extension terminal 42 to call.

In particular, in the first premises network connection of the external terminal 10, the CID information of the external terminal 10 as the premises network, as well as the DID information specifying the extension terminal 42 as indicated by the broken line in FIG. This may be a situation in which the user of the external terminal 10 dials the extension exchange number or the direct telephone number of the extension terminal 42, which may also be included in the exclusion embodiment of the exchange terminal 41.

A number of embodiments, including the exchanging embodiment of the exchange terminal 41 of the present invention that follows, differ from the embodiments of FIGS. 1 to 3 and the connection state of the subject or part of the configuration in some steps. In the detailed behavior or communication method for each step, the same configuration as in the above-described embodiments of FIGS. 1 to 3 may be applied.

5, the exchanging terminal 41 of the present invention is initiated as a step in which the external terminal 10 is connected to the intra-exchange 20 through the public network, as shown in FIG. 5, the intra-exchange 20 is an external terminal The CID information of (10) is extracted and transmitted to the guide server 30, and the guide server 30 performs a step of storing the transmitted CID information in its own storage.

Thereafter, the step of connecting the external terminal 10 and the internal terminal 42 by performing the extension switch 20 by calling the extension terminal 42 is performed. In the embodiment of FIG. 3 described above, the extension switch 20 is designated. While the exchange terminal 41 is called, in the exclusion type embodiment of the exchange terminal 41, the premises exchange 20 calls the extension terminal 42.

The method of calling the extension terminal 42 of the premises exchange 20 is to call a specific predetermined extension terminal 42, or to select and call the extension terminal 42 that can be called at a time according to a predetermined order. This can be applied, and of course, a method of randomly selecting and calling an arbitrary station 42 may be applied.

As such, the voice exchange between the external terminal 10 and the internal terminal 42 proceeds through the step in which the internal exchange 20 calls the internal terminal 42 and the external terminal 10 and the internal terminal 42 are connected. At this time, when the user of the external terminal 10 specifies the extension terminal 42 that he or she wants to call, or when the user of the extension terminal 42 specifies the user, the first call with the external terminal 10 is performed. Extension terminal 42 By operating the user's own extension terminal (42), the extension terminal (42) receives the DID information of the extension terminal (42) from which the actual external terminal (10) wants to communicate. The step of transmitting is performed, and then the step of transmitting the DID information transmitted by the premises exchange 20 to the guide server 30 is performed.

Thereafter, the guide server 30 retrieves the transmission information corresponding to the DID information by querying the guide database 31 with the transmitted DID information, and transmitting the transmission information to the external terminal 10 through a message service, The step of connecting the external terminal 10 and the new extension terminal 42 by performing a call to the new extension terminal 42 corresponding to the transmitted DID information by the premises exchange 20 is performed, so that the external terminal 10 user and the new Voice communication may be performed between users of the extension terminal 42.

Even in the exemplary embodiment in which the exchange terminal 41 of the present invention is as described above, the new extension corresponding to the DID information transmitted from the extension terminal 42 where the premises exchange 20 performed a primary call with the external terminal 10 Shortly before the step of connecting the external terminal 10 and the new extension terminal 42 by calling the terminal 42, the guide server 30 queries the guide database 31 with the transmitted DID information and corresponds to the DID information. Withdrawal of the transmission information, and the step of transmitting the transmission information to the external terminal 10 through the message service is performed, so that the transmission of the transmission information through the message service prior to the voice call between the external terminal 10 and the extension terminal 42 This can be done, and thus, the external terminal 10 user can quickly and accurately obtain accurate and detailed information about the user of the extension terminal 42 who wished to make the call, regardless of whether or not the extension terminal 42 has a call connection with the user. Can be provided.

On the other hand, FIGS. 6 to 9, unlike the above-described embodiments of FIGS. 1 to 5, the guide server 30 is connected to the front end of the public exchange side of the premises exchange 20, and a signal introduced from the public network is provided to the guide server. As a shear-connected embodiment first input to (30), this will be described in detail as follows.

First, FIGS. 6 and 7 is a front-end connection type embodiment in which the exchange terminal 41 is configured, as shown in FIG. 6, a guide server 30 is connected to the premises exchange 20 to which the exchange terminal 41 is connected, but is connected to the public network. It is connected to the guide server 30, as shown in Figure 7, the external terminal 10 is connected to the guide server 30 through the public network, that is, the external terminal 10 dials the present invention network Initiated by attempting a call.

Subsequently, the guide server 30 extracts the CID information of the external terminal 10, stores it in its storage device, and transmits it to the on-premises exchange 20, and the on-premises exchange 20 receives the exchange terminal 41. By calling, the step of connecting the external terminal 10 and the exchange terminal 41 is performed, so that the initial call between the external terminal 10 and the exchange terminal 41 is performed.

In the front-end connection type embodiment, the public network signal is first introduced into the guide server 30, and the initial extraction and storage of CID information is performed by the guide server 30, and the premises exchange 20 is CID from the guide server 30. Information is provided.

As shown in FIG. 7, the user of the external terminal 10 understands the extension terminal 42 that the user desires the actual call through the call with the external terminal 10, and the user operates the exchange terminal 41. Accordingly, the step of transmitting the DID information to the intra-exchange 20 is performed by the switching terminal 41, and thereafter, the step of transmitting the DID information transmitted by the intra-exchange 20 to the guide server 30 is performed.

Thereafter, the guide server 30 retrieves the transmission information corresponding to the DID information by querying the guide database 31 with the transmitted DID information, and transmitting the transmission information to the external terminal 10 through a message service, The step of connecting the external terminal 10 and the extension terminal 42 is performed by calling the extension terminal 42 corresponding to the transmitted DID information.

8 and 9 is a shear-connected embodiment in which the exchange terminal 41 is excluded, as in the above-described embodiments of FIGS. 6 and 7, the external terminal 10 is a guide server 30 through the public network. ).

Thereafter, the guide server 30 extracts the CID information of the external terminal 10 and transmits it to the premises exchange 20, and the premises exchange 20 calls the extension terminal 42 to communicate with the external terminal 10. The step in which the extension terminals 42 are connected is performed, where the call of the extension terminals 42 is possible as described above, by calling the pre-designated extension terminals 42 or at the time according to the specified rank. A method such as calling the extension terminal 42 or randomly calling any extension terminal 42 may be applied.

When the user of the extension terminal 42 grasps the extension terminal 42 that the outside terminal 10 wants to make an actual call through the first call with the external terminal 10, the user of the extension terminal 42 of the first call is As the extension terminal 42 is operated, the step of transmitting the extension information to the extension exchange 20 by the extension terminal 42 is performed.

Subsequently, the step of transmitting the DID information transmitted by the on-premises exchange 20 to the guide server 30, and the information transmitted to the DID information by querying the guide database 31 with the DID information transmitted by the guide server 30 Withdrawing, and transmitting the transmission information to the external terminal 10 through a message service, and the premises exchange 20 calls the new extension terminal 42 corresponding to the transmitted DID information to the external terminal 10 The step of connecting the new extension terminal 42 is performed.

As described above, in the present invention, prior to the final call between the external terminal 10 and the extension terminal 42, transmitting the transmission information including the information on the extension terminal 42 to the external terminal 10 through a message service. By performing, transmission of transmission information through a message service is performed prior to voice communication between the external terminal 10 and the extension terminal 42.

Accordingly, the user of the external terminal 10 can be promptly provided with accurate and detailed information about the user of the extension terminal 42 who wished to make the call, regardless of whether the extension terminal 42 is connected to the user or not. This can provide various user conveniences of various external terminals 10 including convenience in additional calls that can be followed, as well as convenience and efficiency of external call management for users of the network.

10: External terminal
19: carrier server
20: premises exchange
30: guide server
31: Information database
41: exchange terminal
42: extension terminal

Claims (4)

In the method for providing a message service to an external terminal (10) connecting to the premises network composed of a premises exchange (20) and a plurality of extension terminals (42),
A guide server 30 is connected to the premises exchange 20 connected to the public network, and a guide database 31 containing transmission information corresponding to DID information of the extension terminal 42 is connected to the guide server 30,
The exchange terminal 41 is connected to the premises exchange 20,
A step in which the external terminal 10 connects to the premises exchange 20 through the public network;
A step in which the premises exchange 20 extracts the CID information of the external terminal 10 and transmits it to the guide server 30;
A step in which the premises exchange 20 calls the exchange terminal 41 so that the external terminal 10 and the exchange terminal 41 are connected;
The exchange terminal 41 transmitting the DID information to the premises exchange 20;
Transmitting the DID information transmitted from the premises exchange 20 to the guide server 30;
A step in which the guide server 30 retrieves the transmission information corresponding to the DID information by querying the guide database 31 with the transmitted DID information, and transmits the transmission information to the external terminal 10 through a message service;
Message using premises exchange and guide server, characterized in that the premises exchange (20) consists of the step of connecting the external terminal (10) and the extension terminal (42) by calling the extension terminal (42) corresponding to the transmitted DID information. How to provide.
delete In the method for providing a message service to an external terminal (10) connecting to the premises network composed of a premises exchange (20) and a plurality of extension terminals (42),
A guide server 30 is connected to the premises exchange 20, a public network is connected to the guide server 30, and a guide database 30 includes transmission information corresponding to DID information of the extension terminal 42 in the guide server 30 ( 31) is connected,
The exchange terminal 41 is connected to the premises exchange 20,
The external terminal 10 is connected to the guide server 30 through the public network;
The guide server 30 extracting the CID information of the external terminal 10 and transmitting it to the premises exchange 20;
A step in which the premises exchange 20 calls the exchange terminal 41 so that the external terminal 10 and the exchange terminal 41 are connected;
The exchange terminal 41 transmitting the DID information to the premises exchange 20;
Transmitting the DID information transmitted from the premises exchange 20 to the guide server 30;
A step in which the guide server 30 retrieves the transmission information corresponding to the DID information by querying the guide database 31 with the transmitted DID information, and transmits the transmission information to the external terminal 10 through a message service;
Message using premises exchange and guide server, characterized in that the premises exchange (20) consists of the step of connecting the external terminal (10) and the extension terminal (42) by calling the extension terminal (42) corresponding to the transmitted DID information. How to provide.
delete

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