JPH0818690A - Communication control method - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a communication control method that enables a user to communicate with a terminal on the partner side having the same transfer function even when the user makes a call using a called number of a terminal having a different transfer function. [Structure] Even when a user makes a call using a called number of a terminal having a different transfer function, the collating means (CPU 5, memory 6, data analysis 7a, etc.) detects a mismatch in transfer function information. Then, the incoming call transfer means (7b etc.) selects and transfers the incoming call side terminal that matches the transfer function of the incoming call. Alternatively, the return means (7c or the like) returns the called number information of the terminal on the receiving side that matches the transfer function of the incoming call to the calling terminal. Further, when the calling terminal receives the called number information returned from the called side by the returning means, the re-calling means (7d etc.) automatically redials to the called number from the calling terminal.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication control system in a communication network capable of integrating and communicating a plurality of different transfer functions.

[0002]

2. Description of the Related Art In recent years, ISDN (Integrated Service Digital Network) has been put into practical use, which integrates the services, which have been conventionally provided by individual communication networks for respective communication media such as telephones, facsimiles, and data terminals, into one communication network. Has been rapidly spreading.

In this ISDN, a common user / network interface of communication terminals of respective media is used to connect communication terminals having different transmission functions such as telephones, facsimiles, and data terminals to the same network without distinction. It was realized.

In ISDN, CCITT Recommendation Q.
In the call control procedure of 931, as shown in FIG. 13, a call setting message 40 for originating and terminating, together with a called number 41 for designating a destination and a calling number 42 for indicating a sender,
It is composed of each information element of a transmission capability 43, a low layer compatibility 44 and a high layer compatibility 45, which is information related to the transmission function indicating the attribute of the transmitting terminal, and confirms and transmits the transmission function between the transmitting terminal and the receiving terminal. It ensures that terminals that have the same functions can communicate with each other.

A specific calling and receiving sequence in this case is shown in FIGS. 14 and 15.

FIG. 14 shows an outgoing / incoming sequence when both the calling terminal and the called terminal are telephones.

In FIG. 14, the calling terminal B transmits the call setup message shown in FIG. 13 to the network 31. The network 31 notifies the user of the called number included in the call setting message from the calling terminal B of the call setting message for notifying the incoming call (FIG. 14a). This call setup message includes the information about the transfer function included in the call setup message from the calling terminal B, that is, each information element of transfer capability, low layer compatibility, and high layer compatibility as it is. Within the receiving terminal A, each information element related to the above-mentioned transfer function included in the call setting message for notifying the incoming call from the network is compared with its own transfer function, and if the consistency is found, the incoming call is accepted and the call setting acceptance, A call message is transmitted to the network 31 (Figs. 14b and 14c), and the incoming state is entered. In this case, both the calling terminal B and the called terminal A have a voice call, that is, a telephone as the information regarding the transfer function, and the consistency (terminal attribute) is the same.

Next, FIG. 15 shows an outgoing / incoming sequence when the calling terminal is a telephone and the called terminal is a FAX.

As shown in FIG. 15, the procedure up to the point where the call setting message for notifying the incoming call from the network 31 is transmitted to the receiving terminal A is the same as that in FIG. 14 (FIG. 15a). , The transmitting function of the transmitting terminal B is a telephone, and the transmitting function of the receiving terminal A is FAX, and the consistency is inconsistent. When the consistency is not matched, the called terminal A sends a release completion message for rejecting the incoming call to the network 31 (see FIG. 1).
5b), or ignore the incoming call.

By the way, in recent years, in addition to facsimiles, various communication devices have been downsized and reduced in price, and in many cases, the same user has many types of communication terminals. Then, in the case of the ISDN basic interface as shown in FIG.
Communication terminals 3 with different communication media such as AX and data terminals
3 can be connected to the bus. In this mode, all of the plurality of terminals 33 connected to the bus are treated as the same subscriber number 34, and the calling terminal 35 and the terminal having the same transfer function are connected by the above-described consistency confirmation processing at the time of incoming call. Therefore, the caller can call the user A with the same partner number without paying attention to the communication function of the terminal such as a telephone, a FAX, and a data terminal.

However, in the bus connection form of this ISDN basic interface, up to 8 terminals can be connected, but since communication using a 64 kbps information channel can only communicate with up to 2 terminals at the same time, more communication terminals can be connected. There is a limit to the number of users who have one subscriber line.

Therefore, the user B who uses more communication terminals will use a plurality of subscriber lines 36, as shown in FIG. In this case, each subscriber line 3
6 individually communication terminal 33 such as telephone, FAX, data terminal, etc.
Generally, the communication terminal 33 is connected.
Each has a different subscriber number 34.

Further, for users who use more communication terminals such as companies, a private branch exchange (PBX) 37 is installed as shown in FIG. Extension 38 directly from line 38
It is common to build a local network so that it is connected to the network 3. In the dial-in service, the last 2 to 3 digits of the subscriber number correspond to the extension number, and the incoming call from the calling terminal is directly connected to the extension 39 of the corresponding number.

By the way, when the same user owns a plurality of different communication media terminals, such as telephones, fax machines, data terminals, etc., and each communication media terminal has a different subscriber number, the caller has a subscriber number for each call. It will be necessary to properly use the communication terminal. For this reason, there are many cases where the telephone number is mistakenly dialed by the FAX or the number of the data terminal, the communication fails, and the telephone call is made again. This is very troublesome for the caller, since it is not only complicated to manage many subscriber numbers for each party, but also it is necessary to check the number for each call. In particular, some fax machines and data terminals are equipped with a function of automatically re-calling a call when a call fails, and once an incorrect dial is made, this is repeated many times.
This is also uneconomical because a useless call charge is required every time communication fails. In addition, if the receiving user mistakenly receives an incoming call from the FAX repeatedly, it may be very unpleasant.

Further, if the user knows the telephone number but does not know the FAX number, for example, by telephone, F
If it is necessary to inquire about the AX number or the like, or if the other party is absent, there is an inconvenience that communication by FAX cannot be performed.

[0016]

As described above, in the conventional communication control system, the caller needs to use the communication terminal by properly using the subscriber number for each call, which is complicated. There is a problem that various inconveniences occur when the user does not know the number.

Therefore, an object of the present invention is to provide a communication control system which enables communication with a terminal on the partner side having the same transfer function even when the user makes a call using a called number of a terminal having a different transfer function. And

[0018]

In order to solve the above-mentioned problems, the invention according to claim 1 provides transmission of its own terminal and another terminal in a terminal connected to a communication network to which communication terminals having different transmission functions can be connected. Function information and called number information storage means, matching means between the transfer function information of the own terminal and the transfer function information of the calling terminal included in the call setting message of the incoming call, and when the incoming call is received, the matching means checks the mismatch of the transfer function information. When it is detected, it comprises an incoming call transfer means for selecting and transferring from the storage means another terminal on the incoming side that matches the transfer function of the incoming call. According to a second aspect of the present invention, a storage unit for storing transfer function information and called number information of the own terminal and another terminal in a terminal connected to a communication network to which communication terminals having different transfer functions can be connected, and a transfer function of the own terminal. Means for collating the information with the transfer function information of the calling terminal included in the incoming call setting message,
When a mismatch of the transfer function information is detected by the collating means upon reception of an incoming call, a return means for selecting another terminal on the receiving side that matches the transfer function of the incoming call from the storage means and returning the called number information to the calling terminal. To have.

According to a third aspect of the present invention, storage means for storing transfer function information and called number information of its own terminal and other terminals in a terminal connected to a communication network to which communication terminals having different transfer functions can be connected, and its own terminal. Means for comparing the transfer function information of the caller with the transfer function information of the calling terminal included in the call setting message for the incoming call, and when the mismatching of the transfer function information is detected by the matching means when receiving the call, the transfer function of the incoming call from the storage means When the receiving terminal receives the receiving number information returned from the receiving side by the returning means, the returning terminal selects another terminal on the receiving side that matches And means for redialing to the called number.

According to a fourth aspect of the present invention, means for storing transfer function information and called number information for each extension user in which transfer function terminals different for each extension user in the private branch exchange network are grouped for each extension user, A means for collating the transfer function information of the calling terminal included in the call setup message with the transfer function information in the group corresponding to the called number information, and a means for making an incoming connection to the extension terminal in the group where the transfer function information matches. To have.

[0021]

According to the present invention, even if the user makes a call using the called number of a terminal having a different transfer function, the collating means detects the mismatch of the transfer function information.

Then, the incoming call transfer means selects and transfers a terminal on the called side that matches the transfer function of the incoming call. Alternatively, the returning means returns the called number information of the terminal on the receiving side that matches the transmission function of the incoming call to the calling terminal. Further, when the calling terminal receives the called number information returned from the called side by the returning means, the redialing means automatically redials to the called number from the calling terminal.

Therefore, the user on the calling side can perform the calling operation without having to worry about the transfer function of the terminal, and can easily communicate with the device having the transfer function.

Further, even if the caller does not know the number of the terminal having the same transfer function, the communication can be performed without spending extra communication cost and checking.

Further, the correct terminal number can be known without paying the communication fee.

Further, both the number-notifying side and the number-notifying side can manage the number regardless of the number of terminals having different transmission functions.

[0027]

Embodiments of the present invention will be described below with reference to the drawings.

First, an embodiment of the present invention will be described.

FIG. 1 is a diagram showing the configuration of a digital telephone equipped with a communication control system according to an embodiment of the present invention.

In the figure, the telephone section I is a layer 1,
External interface 1 for controlling 2 and layer 3 of the telephone
It is composed of a telephone CPU 2 for performing call control and call control, a voice codec 3, and a handset 4, and is connected to a communication network (not shown) capable of transferring transfer function information and arbitrary information between terminals.

The communication control section II includes a CPU 5 for controlling communication according to the present invention, a memory 6 for storing transfer function information and called number information of its own terminal and other terminals, and a system control section 7 for controlling called number comparison. , A key control unit 8 for controlling key input of transmission function information and called number information, various input keys 9,
An LCD 11 for viewing input data and stored data, and a display control unit 10 for the LCD.

In the system control unit 7, data analysis (7a) for collating the transfer function of the own terminal with the transfer function information of the other terminal included in the incoming call request and analyzing the information when the user information is received, the incoming call request. Call transfer control (7b) for transferring a call to a terminal that matches the transfer function information of the other terminal included in
Information return control (7c) that returns terminal information that matches the transfer function information of the other terminal included in the incoming call request, disconnects the current call when information is received by the information return control, and sends to the called number of the return information Re-transmission control (7d), key data analysis (7e) for registering transfer function information and called number information of own terminal or other terminal, and display of transfer function information and called number information of own terminal or other terminal on LCD Display control (7
f).

As shown in FIG. 2, the memory 6 stores the transfer function information and the called number information of the terminal itself, as well as the transfer function information and the called number information of another terminal accessible by the user. Specifically, the transmission function of its own terminal is voice (telephone), the terminal number of the digital communication (FAX) whose transmission function is unrestricted is the terminal C number, and the terminal number of the packet transmission function is the terminal D number. ing.

Next, the operation will be described.

When both the calling terminal and the called terminal are telephones equipped with the communication control system of the present invention, the same operation as the calling / calling sequence (FIG. 14) described in the prior art is performed. That is, as shown in FIGS. 14 and 5, the calling terminal B transmits the call setting message shown in FIG. 13 (FIG. 14a), and the telephone CPU 2 of the receiving terminal A which has received the call setting message includes the transfer function included in the call setting message. Each information element related to is compared with its own transmission function (FIGS. 5a and 5b), and the consistency is matched (FIG. 5).
In step c), the incoming call is accepted, the call setting acceptance and the call message are sent to the network 31 to enter the incoming call state (FIG. 5d). When receiving the call setup message, the CPU 5 of the receiving terminal A compares the transfer function included in the message with the transfer function of the own terminal,
Do nothing because they match.

On the other hand, if the originating terminal and the terminating terminal have different consistency, some operation modes are possible as necessary.

As a first operation mode, the operation of the called terminal transferring to the terminal having the same transfer function will be described with reference to FIGS.
And FIG. 5 will be described.

3 and 4, the receiving terminal A is a telephone equipped with the communication control system of the present invention. Calling terminal B
In both terminal C and terminal C, the transfer function is unrestricted digital information, that is, FAX. In the memory 6 of the receiving terminal A, as shown in FIG. 2, the transfer function of another terminal owned by the user and the called number of that terminal are registered in advance.
The number of the terminal C is registered as the called number of the transfer function of X. The called number can also be set to the destination of the user.

A call is made from the calling terminal B whose transmission function is FAX with the called number information of the called terminal A placed (FIGS. 3a and 4).
a). Upon receiving the call setup message (FIG. 5a), the telephone CPU 2 of the terminating terminal A compares the delivery function included in the message with the delivery function of its own terminal (FIG. 5b), and ignores the call setup because they are different. At this time, the CPU 5 of the receiving terminal A compares the transmitting function information of the transmitting terminal included in the call setting message with the transmitting function information registered in the memory 6 (see FIG. 5).
e) Since there is the matching transfer function information, the call setting acceptance is transmitted (FIGS. 5f and 5h), the number of the terminal C having the matching transfer function is retrieved from the memory 6, and the additional information requesting the transfer to the network 31 is sent. Send (FIGS. 3b, 4b, 5i). Net 31
Receives the additional information, the call setting is transmitted to terminal C (FIG. 3).
c, FIG. 4c). When terminal C responds, calling terminal B and terminal C
Becomes busy (Figs. 3d and 4d).

As a result, the sender does not have to check and redial and can communicate without knowing the number of the terminal having the same transmission function.

The transmission function information of the calling terminal included in the call setting message by the CPU 5 of the terminal A and the memory 6
The transfer function information registered inside is compared, and when there is no matching transfer function, nothing is done and the state returns to the empty state (FIGS. 5e, f, and
g).

Next, as a second operation mode in the case where the consistency between the calling terminal and the called terminal is different, the called terminal returns the called number information of the terminal having the same transfer function to the calling terminal and receives the information. The operation of the calling terminal to redial the received call number will be described with reference to FIGS. 6 and 7.

In FIGS. 6 and 7, the receiving terminal A is a telephone equipped with the communication control system of the present invention. The transmission function of the transmitting terminal B is FAX. The terminal C is a terminal that has the communication function of the present invention and a transmission function of FAX.
The configuration of the terminal C is such that the handset 4, the voice codec 3 and the telephone CPU 2 shown in FIG. 4 are replaced with the components of the FAX. As shown in FIG. 2, the other transmission function owned by the user and its called number are registered in advance in the memory 6 of the called terminal A, and the terminal C is registered as the called number of the FAX transmission function.

Since the receiving terminal A has a different transmitting function when receiving a call setting (FIGS. 6a and 7a) originated from the transmitting terminal B whose transmitting function is FAX, the telephone CPU 2 of the receiving terminal A is different.
Ignores call setup. The CPU 5 of the receiving terminal A compares the transfer function information of the partner terminal included in the incoming request with the transfer function information in the memory 6, and if there is no match, does nothing (FIGS. 5e, f, g). If there is a match, the called number of C of the matching transfer function information is put on the user information of the completion of taking out from the memory 6, and the call is transmitted and the call is disconnected (FIG. 6b, 5e, f, j, FIG. 7b).

Here, as shown in FIG. 9, the release completion message is based on the terminal attribute mismatch (reason indication) which is the reason for disconnecting the call and the user information (user user) which is the called number information of the terminal having the matching attribute. Composed.

When the calling terminal B receives the release completion (see FIG. 7).
b, FIG. 8a) The called number of the terminal C is extracted from the user information (FIG. 8b), and automatically transmitted to the terminal C (FIGS. 6c, 7).
c, FIG. 8c). When terminal C responds, calling terminal B and terminal C
Are communicating (FIGS. 7d and 8d).

As a result, the sender does not have to check and redial and can communicate without knowing the number of the terminal having the same transfer function.

Next, another embodiment of the present invention will be described.

FIG. 10 shows the communication control system of the present invention as a PBX.
It is a block diagram which shows an example when it applies to a (private branch exchange).

In FIG. 10, the CPU 21 uses the PBX3
7 is controlled by the switch 23 by controlling the software stored in the ROM 22 to control the connection between the various extension terminals 33 connected to the extension 39 and the connection between the station line 38 and the extension terminal 33. Provides a communication path between terminals. A table 24 for grouping extension users is connected to the CPU 21. As shown in FIG. 11, this table 24 stores extension numbers 34 of each extension terminal by grouping extension terminals 33 having different transmission functions for each extension user. For example, for user A,
Extensions 0010 to 0012 are assigned, 0010 is a telephone,
0011 stores FAX, and 0012 stores that each terminal of the data terminal is connected. The same applies to other users such as user B.

Next, the operation will be described.

A case of transmitting a FAX from the user B or the office line 38 will be described.

The user B or the user who originates the FAX from the office line 38 calls the extension number 34 of the user A,
When the respective numbers of FAX and data are known and used properly, the call setting is sent from the calling terminal to the PBX 37 with the FAX called number 0011. Therefore, the extension group table 24 is referred to in the PBX 37 for the transfer function. It is confirmed that the respective information of the transfer capability, the lower layer compatibility, and the higher layer compatibility match (FIGS. 12a and 12b), and the calling user and the called user are connected (FIGs. 12c and 12d).

When the calling user wants to send a FAX but only knows the telephone number of the extension number of the user A,
The calling user sends a call setup message with the telephone extension number 0010 of user A as the called number. In this case, PBX37
The CPU 21 compares the information regarding the transfer function included in the call setting message from the calling terminal with the extension group table 24, and searches for the extension number of the user A that matches (FIG. 12e). In the case of FAX, the called number 0010 designated by the calling user does not match the transfer function, and the calling function matches 0011. Therefore, the PBX 37 notifies the extension 0011 of the calling user and the called user A of the incoming call (FIGS. h).
If there is no matching transmission function after searching, nothing is done and the operation returns to the empty state (FIG. 12i).

In this way, the calling user can make a call without being aware of the terminals having different transfer functions of the extension users connected to the PBX.

The present invention is not limited to the above embodiment.

For example, in the above-described embodiment, the system controller 7 for controlling the comparison of called numbers in FIG.
Although a plurality of operation modes are possible, it is possible to omit part of the control in order to realize one operation mode.

[0058]

As described above, according to the communication control method of the present invention, even when a user makes a call with a called number of a terminal having a different transfer function, the user can make a call with a terminal on the partner side having the same transfer function. Can communicate.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a digital telephone equipped with a communication control system according to an embodiment of the present invention.

FIG. 2 is a diagram showing transfer function information registered in a memory and its terminal number data.

FIG. 3 is a conceptual diagram of transfer to a terminal having the same transfer function according to an embodiment of the present invention.

FIG. 4 is a diagram showing an example of a transmission / reception sequence according to an embodiment of the present invention.

FIG. 5 is a diagram showing an example of a flow according to an embodiment of the present invention.

FIG. 6 is a conceptual diagram of returning / re-transmitting showing another operation mode according to the embodiment of the present invention.

FIG. 7 is a diagram showing another example of a transmission / reception sequence according to an embodiment of the present invention.

FIG. 8 is a diagram showing another example of the flow according to the embodiment of the present invention.

FIG. 9 is a diagram showing a configuration content of a release completion message.

FIG. 10 is a diagram showing a connection relationship of PBXs to which a communication control method according to another embodiment of the present invention is applied.

FIG. 11 is a diagram showing a configuration content of table data of extension groups.

FIG. 12 is a diagram showing an example of a flow according to another embodiment of the present invention.

FIG. 13 is a diagram showing a configuration content of a call setup message.

FIG. 14 is a diagram showing a transmission / reception sequence when terminal attributes match.

FIG. 15 is a diagram showing an outgoing / incoming sequence when terminal attributes do not match.

FIG. 16 is a diagram showing a bus connection form in an ISDN basic interface.

FIG. 17 is a diagram showing a multi-subscriber form of ISDN.

FIG. 18 is a diagram showing a connection form of a PBX.

[Explanation of symbols]

 1 ... External interface unit 2 ... Telephone CPU 3 ... Voice CODEC 4 ... Handset 5 ... CPU 6 ... Memory 7 ... System control unit 8 ... Key control unit 9 ... Various input keys 10 ... Display control unit 11 ... LCD 21 ... CPU 22 ...... ROM 23 ...... Switch 24 ...... Extension group table 37 ...... PBX

Claims (4)

[Claims] 1. A storage unit for storing transfer function information and called number information of its own terminal and another terminal in a terminal connected to a communication network to which communication terminals having different transfer functions can be connected, and transfer function information of the own terminal and incoming call. When a mismatch between the transfer function information of the calling terminal included in the call setting message and the transfer function information is detected by the matching means upon reception of a call, the receiving side of the receiving side that matches the transfer function of the incoming call from the storage means is detected. A communication control system, comprising: an incoming call transfer means for selecting and transferring another terminal. 2. A storage unit for storing transfer function information and called number information of its own terminal and other terminals in a terminal connected to a communication network to which communication terminals having different transfer functions can be connected, and transfer function information of the own terminal and incoming call. When a mismatch between the transfer function information of the calling terminal included in the call setting message and the transfer function information is detected by the matching means upon reception of a call, the receiving side of the receiving side that matches the transfer function of the incoming call from the storage means is detected. A communication control system comprising: a return means for selecting another terminal and returning the called number information to the calling terminal. 3. A storage unit for storing transfer function information and called number information of its own terminal and other terminals in a terminal connected to a communication network capable of connecting communication terminals having different transfer functions, and transfer function information of the own terminal and incoming call. When a mismatch between the transfer function information of the calling terminal included in the call setting message and the transfer function information is detected by the matching means upon reception of a call, the receiving side of the receiving side that matches the transfer function of the incoming call from the storage means is detected. Returning means for selecting another terminal and returning the called number information to the calling terminal, and when the calling terminal receives the called number information returned from the called side by the returning means, the calling terminal automatically changes to the called number. A communication control system comprising means for retransmitting. 4. A means for storing transfer function information and called number information for each extension user, in which transfer function terminals different for each extension user in a private branch exchange network are grouped for each extension user, and included in the incoming call setup message. It is characterized by comprising means for collating the transfer function information of the calling terminal with the transfer function information in the group corresponding to the called number information, and means for making an incoming call connection to the extension terminal in the group having the same transfer function information. Communication control method.