JP3134639B2 - Telephone exchange - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone exchange.

[0002]

2. Description of the Related Art Conventionally, some telephone exchanges have a telephone transfer function for automatically transferring an incoming call to a designated transfer destination by setting in advance.

The configuration of a conventional telephone exchange having a telephone transfer function will be described below. FIG. 4 is a block diagram showing a configuration of a conventional telephone exchange. In FIG. 4, the telephone exchange 1 is roughly divided into an external interface unit 3 connected to an external line 2 to open and close a telephone line, and an internal interface unit 5 connected to an extension 4 to open and close a telephone line by setting in advance. It is composed of three sections of a telephone transfer section 6 having a telephone transfer function of transferring an incoming call to a designated transfer destination, and a control section 7 having overall control of each section. Extension 4
Is connected to an extension telephone unit 8.
Can be connected to the number of extension telephones corresponding to the number of extension numbers that can be set, but here, for simplification of explanation, the number of extension telephones that can be set is five, and the number of extension telephones is 8a.
5 to 8e. Extension numbers "801" to "805" correspond to the extension telephones 8a to 8e on a one-to-one basis. The transfer setting storage unit 6a of the telephone transfer unit 6 is provided with an area corresponding to each of the extension telephones 8a to 8e on a one-to-one basis, and a transfer command is issued to each of these areas. Is set, and a telephone number (regardless of extension / external line) as an example of telephone information of a transfer destination is registered.

First, the operation when setting the telephone transfer function of the conventional telephone exchange will be described with reference to the flowchart showing the operation when setting the telephone transfer function. In FIG. 5, when it is desired to transfer an incoming call to extension telephone 8a to extension telephone 8b, first off-hook extension telephone 8a (step 1) and dial a transfer setting special number, for example, "# 01" (step 2). . Subsequently, the user dials the extension number "802" as the telephone information of the extension telephone 8b of the transfer destination (step 3), and finally, the transfer setting fixed special number, for example, "# 02"
Is dialed (step 4). Then, the telephone transfer unit 6
A transfer function setting flag indicating that a transfer command has been issued is set in the area of the extension telephone 8a of the transfer setting storage unit 6a, and the extension number of the extension telephone 8b to which the data is to be transferred is registered (step). 5).

Next, the operation at the time of telephone transfer will be described with reference to the flow chart showing the operation at the time of telephone transfer of the conventional telephone exchange of FIG. In FIG. 6, when a ring signal is input from the outside line 2 to the telephone exchange 1, the control unit 7 controls the outside line interface unit 3 to close the outside line 2 and call the extension telephone 8a to be dialed. The control unit 5 is controlled to close the extension 4. When making a call between the extension telephone units 8, the telephone exchange 1
When the herring signal is input, the control unit 7 controls the extension interface unit 5 to close the extension 4 in order to call the extension telephone 8a to be dialed. The extension telephone 8a is called as described above (step 6). Next, the control unit 7 controls the telephone transfer unit 6 to check the area of the extension telephone 8a in the transfer setting storage unit 6a, and determines whether a transfer function setting flag indicating that a transfer command has been issued is set. It is determined whether or not it is (step 7). If the transfer function setting flag is not set, the call cannot be transferred, and the called extension telephone 8a is called as it is (step 8). If the transfer function setting flag has been set, the extension number "802" of the extension telephone 8b that is the transfer destination to enter the transfer mode.
And the extension telephone 8b having the read extension number
The telephone is transferred by controlling the extension interface unit 5 (step 9).

[0006]

However, in the configuration of the conventional telephone exchange as described above, once the transfer function is set, all the calls received to the extension telephone 8a are transferred regardless of the importance of the business. The call has been transferred to the extension telephone 8b. For this reason, even during an important meeting, it is necessary to temporarily come to the extension telephone 8b of the transfer destination, and in the case of a business with a low degree of importance, it may belong to the category of annoying telephone.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems and to provide a telephone exchange for transferring only a telephone having high importance to a designated destination by selecting a caller.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an external line interface unit for connecting to an external line to open and close a telephone line, an internal line interface unit for connecting to an internal line to open and close a telephone line, A telephone transfer unit having a telephone transfer function of transferring a called telephone to a designated transfer destination by setting, and a control unit having overall control of each department are provided, and the called telephone is designated. When transferring to the transfer destination, it is determined whether the telephone information of the caller has been registered in the telephone transfer unit, and only when the telephone information of the caller has been registered, the call is transferred to the designated transfer destination.

[0009]

With this configuration, it is possible to select a caller based on whether or not the caller's telephone information is registered, and to transfer only the calls of high importance to the designated transfer destination.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings, in which the same parts as those of the conventional example are denoted by the same reference numerals.

FIG. 1 is a block diagram showing a configuration of a telephone exchange according to an embodiment of the present invention. In FIG. 1, the telephone exchange 9 is roughly divided into an external line interface unit 3 connected to the external line 2 to open and close a telephone line, and an internal line interface unit 5 connected to the extension line 4 to open and close a telephone line. It is composed of three sections of a telephone transfer section 10 having a telephone transfer function of transferring an incoming call to a designated transfer destination, and a control section 7 having overall control of each section. An extension telephone unit 8 is connected to the extension 4. A number of extension telephones corresponding to the number of extension numbers that can be set can be connected to the extension telephone unit 8, but here, for simplification of description, The number of extensions that can be set to 5
And five extension telephones 8a to 8e. Also,
Each of the extension telephones 8a to 8e has an extension number “801” to
“805” corresponds one-to-one. Telephone transfer unit 10
Is a transfer setting storage unit 10a, a transfer valid person storage unit 10b,
Specific caller storage unit 10c and caller storage unit 10d
Each section has an area corresponding to each of the extension telephones 8a to 8e on a one-to-one basis. For each area, setting of a transfer function setting flag indicating that a transfer command has been issued, and a telephone number as an example of telephone information of a caller and a transfer destination (regardless of extension / external line) Register.

First, an example of the operation when setting the telephone transfer function will be described with reference to the flowchart of FIG. 2 showing the operation when setting the telephone transfer function of the telephone exchange in the embodiment of the present invention.

(Operation Example 1) In FIG. 2, first, the extension telephone 8a is off-hook (step 10) and the transfer setting special number "# 01" is dialed (step 11). Subsequently, the extension number "802" of the extension telephone 8b of the transfer destination is dialed (step 12). Next, the process branches depending on whether or not all incoming calls to the extension telephone 8a are transferred to the extension telephone 8b (step 13).

When all incoming calls to the extension telephone 8a are to be transferred to the extension telephone 8b, finally, the transfer setting fixed special number "# 0
When "2" is dialed (step 14), the telephone transfer unit 1
A transfer function setting flag indicating that a transfer command has been issued and the extension number of the transfer destination extension phone 8b are registered in the area of the extension phone 8a in the transfer setting storage unit 10a of 0 (step 15). .

If the incoming call to the extension telephone 8a is from a specific caller (regardless of extension / external line), for example, from the extension telephone 8c, it is desired to transfer the call to the extension telephone 8b.
Extension number "803" of the extension telephone 8c that is the transfer valid person
Is dialed (step 16). Finally, the transfer setting confirmation special number "# 02" is dialed (step 17). Then, the extension number "802" of the extension telephone 8b to which the transfer is valid is first registered in the area of the extension telephone 8a of the transfer valid person storage unit 10b (step 18), and then stored for each specific caller. The extension number "80" of the extension telephone 8c which is a specific caller is sent to the area of the extension telephone 8a of the unit 10c.
3 "is registered (step 19). Then, a transfer function setting flag indicating that a transfer command has been issued is set in the area of the extension telephone 8a in the transfer setting storage unit 10a (step 20).

(Operation Example 2) Incidentally, it is also possible to set a plurality of specific callers. When the incoming call to the extension telephone 8a is from a specific caller (regardless of extension / external line), for example, from the extension telephone 8c, the call is transferred to the extension telephone 8b, and similarly, only from the extension telephone 8e, to the extension telephone 8d. When the transfer is desired, the processing of the block portion surrounded by the broken line is changed in the case where the transfer to the extension telephone 8d is desired only from the extension telephone 8e, and the same processing is repeated. Then, the extension number "804" of the extension telephone 8d, which is the transfer destination to which the transfer is valid, is additionally registered in the area of the extension telephone 8a of the transfer valid person storage unit 10b (step 18), and is stored in the specific caller storage unit 10c. The extension number "805" of the extension telephone 8e as a specific caller is additionally registered in the area of the extension telephone 8a (step 19).

Next, an example of the operation at the time of telephone transfer will be described with reference to the flowchart of FIG. 3 showing the operation at the time of telephone transfer of the telephone exchange according to the embodiment of the present invention.

(Operation Example 1) In FIG. 3, when a ring signal is input from the outside line 2 to the telephone exchange 9, the control unit 7 controls the outside line interface unit 3 to close the outside line 2 and to set the extension to be dialed. In order to call the telephone 8a, the extension interface 4 is controlled to close the extension 4. When making a call between the extension telephone units 8, when a ring signal is input from the extension 4 to the telephone exchange 9, the control unit 7 controls the extension interface unit 5 to call the extension telephone 8 a to be dialed. And the extension 4 is closed. The extension telephone 8a is called as described above (step 21). Next, the control unit 7 controls the telephone transfer unit 10, and telephone information of the caller (regardless of extension / external line) detected in the area of the extension telephone 8a of the caller storage unit 10d, for example, the extension telephone 8
The extension number “803” of c is registered (step 22).
You are now ready to screen callers.

Next, the area of the extension telephone 8a in the transfer setting storage section 10a is checked to determine whether or not a transfer function setting flag indicating that a transfer command has been issued is set (step 23). . If the transfer function setting flag has not been set, transfer is not possible, so that the called extension telephone 8a is called as it is (step 24).

If the transfer function setting flag has been set,
In order to enter the transfer mode, it is first determined whether or not the transfer destination telephone number is registered in the area of the same extension telephone 8a in the transfer setting storage unit 10a (step 25). If the transfer destination telephone number has been registered, the registered telephone number, for example, the extension number "802" is read out, and the extension interface unit 5 is controlled to make a call to the transfer destination extension telephone 8b (step 26).

If the transfer destination telephone number has not been registered, the transfer destination for which transfer is valid is registered in the area of the extension telephone 8a in the transfer valid person storage unit 10b as long as the transfer function setting flag is set. Therefore, the registered telephone number, for example, the extension number "802" is read out (step 2).
7). Next, the extension telephone 8 in the specific caller storage unit 10c.
The telephone number registered in the area "a" is read, and in step 22, the telephone number is compared with the extension number "803" of the extension telephone 8c registered in the area of the extension telephone 8a in the caller storage unit 10d to determine whether or not they match. A judgment is made (step 28).

If they match, that is, specific caller-specific storage unit 1
If the telephone number registered in the area of the extension telephone 8a of extension 0c is the extension number "803", the extension interface unit 5 is controlled to control the extension number "8" read out in step 27.
02 "to make the extension telephone 8b receive a call (step 29). If they do not match, the transfer cannot be performed, so the transfer is stopped and the process proceeds to step 24, where the called extension telephone 8a is called as it is.

(Operation Example 2) By the way, when the incoming call to the extension telephone 8a is from a specific caller (regardless of extension / external line), for example, from the extension telephone 8c, the call is transferred to the extension telephone 8b, and similarly the extension Extension telephone 8 only from telephone 8e
d, that is, when a plurality of specific callers are set, in addition to the operation described in (Operation Example 1), the processing of the block portion surrounded by the broken line is performed only from the extension telephone 8e. When it is desired to transfer the call to the extension telephone 8d, the correspondence is changed and the same operation is repeated.

In the above description, only the telephone exchange has been described. However, in FIG.
If it is considered that the telephone exchange 9 and the extension telephone 8a constitute a parent device, and each of the extension telephones 8b to 8e constitutes a child device, the present invention can be applied to a telephone device.

[0025]

According to the telephone exchange of the present invention, an incoming call is received by setting in advance an external interface unit for connecting to an external line and opening and closing a telephone line, and an internal interface unit for connecting to an internal line and opening and closing a telephone line. It has a telephone transfer unit that has a telephone transfer function to transfer a call to a designated transfer destination, and a control unit that takes charge of overall control of each department. When an incoming call is transferred to a designated transfer destination, the telephone is transferred It is determined whether or not the telephone information of the caller has been registered in the unit, and only when the telephone information of the caller has been registered, the call is transferred to the designated transfer destination.

With this configuration, it is possible to select a caller according to the presence or absence of registration of the caller's telephone information, and to transfer only the calls of high importance to the designated transfer destination.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a telephone exchange according to an embodiment of the present invention.

FIG. 2 is a flowchart showing an operation when setting a telephone transfer function of the telephone exchange according to an embodiment of the present invention;

FIG. 3 is a flowchart showing an operation of the telephone exchange in the embodiment of the present invention at the time of telephone transfer;

FIG. 4 is a block diagram showing a configuration of a conventional telephone exchange;

FIG. 5 is a flowchart showing an operation when setting a telephone transfer function of a conventional telephone exchange;

FIG. 6 is a flowchart showing the operation of a conventional telephone exchange at the time of telephone transfer;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Telephone exchange 2 External line 3 External line interface part 4 Internal line 5 Internal line interface part 6 Telephone transfer part 6a Transfer setting storage part 7 Control part 8 Internal telephone part 8a Internal telephone 8b Internal telephone 8c Internal telephone 8d Internal telephone 8e Internal telephone 9 Telephone exchange 10 Telephone transfer unit 10a Transfer setting storage unit 10b Transfer valid person storage unit 10c Storage unit for specific callers 10d Caller storage unit

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04M 3/54 H04M 3/42 H04Q 3/58 101

Claims (2)

(57) [Claims] 1. An external line interface unit for connecting to an external line to open and close a telephone line, an internal line interface unit for connecting to an internal line to open and close a telephone line, and an incoming call is specified by setting in advance.
A telephone transfer unit that performs the telephone transfer function to transfer to the transfer destination, and the extension number of the transfer destination in the area provided for each extension telephone
Associated with a transfer valid person storage unit capable of recording a plurality of the transfer valid person storage units, respectively.
Specific caller identification that can record specific caller number information
Storage unit, and a control unit that controls the whole of each unit, and the telephone transfer unit transfers an incoming call to a transfer destination.
At the time, the caller's telephone information is recorded in the specific caller-specific storage unit.
If the transfer has already been made,
A telephone exchange for transferring to a transfer destination recorded in a storage unit . 2. When a call is received at an extension, first, the area of the extension is checked in the transfer setting storage section to determine whether or not a transfer function setting flag indicating that a transfer command has been issued is set. Judgment, if the transfer function setting flag is not set, the called extension telephone is called as it is, and if the transfer function setting flag is not set, the specified extension is specified in the specific caller-specific storage unit. Checks whether the call is from a specific caller, and if the call is from a specific caller , the specific call
Related to the telephone information of the transfer
2. The telephone exchange according to claim 1, wherein the call is transferred to a destination .