JPH09200816A - Connection system for number revision extension incoming call - Google Patents

Abstract

PROBLEM TO BE SOLVED: To connect a caller extension subscriber to a new telephone number subscriber quickly depending on the intention of the caller subscriber when an extension telephone number of a called extension subscriber is revised into a new telephone number and the caller extension subscriber recognizes the revision of the telephone number. SOLUTION: When a caller recognizes it that the dialed extension telephone number is revised into a new telephone number (S2), the dialed extension telephone number is recognized to be the old extension telephone number and the call is transferred automatically to the new telephone number (S5). When an identification value representing it that the dial number is the new extension telephone number is inputted before dialing the extension telephone number, the call is reached the called extension telephone subscriber of the dialed number (S8).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extension number dialed by a caller to call the called extension subscriber while the extension telephone number of the called extension subscriber is changed in a private branch exchange. In this case, the present invention relates to a method of controlling incoming call connection to the extension / old extension. Further, the present invention relates to a number display method for displaying the fact that the number has been changed and the new number after the change.

[0002]

2. Description of the Related Art Conventionally, in a private branch exchange, the extension telephone number of the extension subscriber may be frequently changed due to personnel change of the accommodation extension subscriber. However, the extension telephone number is frequently changed in this way. If the old extension telephone number is dialed by the caller when calling the called extension subscriber whose telephone number has been changed without knowing the fact of the change, It is possible that an incoming call from the call cannot be delivered to the desired called extension subscriber. Therefore, a method for coping with such a situation is disclosed in, for example, Japanese Patent Laid-Open No. 62-217.
The number change notification transfer method described in Japanese Patent No. 759 is known. In this case, the exchange is equipped with a table of new and old telephone numbers, and if the called telephone number is present in the old telephone number table, a call to the called subscriber is provided with a talkie device for number guidance. The call is automatically forwarded to the called party by the new telephone number after the call announcement is made to the caller, which is commonly prepared in advance and connected to the caller. .

In addition, the extension telephone number dialed by the calling extension subscriber has been updated inside the private branch exchange as in the method of controlling the incoming call connection when changing the extension telephone number disclosed in Japanese Patent Application No. 7-037080. If the new extension telephone number is identified based on the telephone number change extension registration data stored as, the incoming call to the called extension subscriber is once automatically transferred to the voice mail device. In addition, following the guidance for changing the extension telephone number including the name of the new extension subscriber of the old extension telephone number and the new extension telephone number of the called extension subscriber from the voice mail device to the calling extension subscriber, While an extension subscriber selection guidance for prompting the user to select either a new extension subscriber or a called extension subscriber as a selection branch number is sent, as a response to the extension subscriber selection guidance, Choices number PB from the call extension subscriber
When sent as a signal to the voice mail device, an incoming call from the calling extension subscriber to the called extension subscriber is received by either the new extension subscriber or the called extension subscriber. There is.

[0004]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
In the prior art as described in Japanese Patent No. 17759, the connection to the called subscriber is unconditionally changed by the new telephone number after the guidance is completed, so that the telephone corresponding to the old telephone number actually exists. Despite this, it was impossible to change the connection to the old telephone with the old telephone number.

Further, in the prior art as described in Japanese Patent Application No. 7-037080, when an attempt is made to connect to an extension subscriber whose extension telephone number has been changed, the call is automatically transferred to the voice mail device. In addition, you must dial the old and new extension subscriber selection branch numbers according to the extension subscriber selection guidance, you already know the fact that the extension number has changed, and you must immediately connect to the called extension subscriber with the new extension telephone number. For the calling subscriber desiring to make a call, listening to the guidance for selecting the extension subscriber and dialing the branch number for selecting the old and new extension subscribers are troublesome.

A first object of the present invention is to provide a calling extension subscriber when the extension telephone number of the called extension subscriber is changed to a new telephone number and the calling extension subscriber recognizes the telephone number change. It is to provide an incoming call connection control method at the time of changing the extension telephone number, which can be quickly connected to the new telephone number subscriber by the free will of the.

A second object of the present invention is to change the extension telephone number of the called extension subscriber to a new telephone number, and if the calling extension subscriber does not recognize the telephone number change, the old extension telephone number is changed. There is a new extension telephone number display control method at the time of changing the extension telephone number, which can notify the calling extension subscriber of the new extension telephone number when dialed.

[0008]

In order to solve the above-mentioned problems, the number-changed extension incoming call selective connection system of the present invention is a means for storing a changed extension telephone number, and an extension telephone dialed by a calling extension subscriber. Means for determining whether the number has not been changed or changed, means for storing an identifier indicating a new extension telephone number, and means for determining a dialed new extension telephone number identifier are provided.

When the calling extension subscriber dials the new extension telephone number identifier and the extension telephone number, the dialed new extension telephone number identifier is judged, and the extension telephone number that follows is not required to be converted to the extension telephone number. Recognize the number and connect to the called extension subscriber.

Further, there are provided means for storing a new extension telephone number corresponding to the changed extension telephone number, means for determining the changed extension telephone number and converting it to a new extension telephone number, and means for displaying the converted new extension telephone number. Set up.

When an old extension telephone number is dialed by a calling subscriber such as a relay stand or a multi-function telephone having a display device, the dialed extension telephone number is stored in the private branch exchange as an updated telephone number. When it is identified that the new extension telephone number is changed based on the changed extension registration data, the extension telephone number dialed is recognized as the old extension subscriber number, and the incoming call to the called extension subscriber is New extension number Automatically forwards the call to the telephone, displays the new extension telephone number on the display device, and notifies the relay stand and the calling extension subscriber of the change of the extension telephone number and the new extension telephone number.

When the calling extension subscriber dials only the extension number and recognizes that the extension telephone number is changed to the new extension telephone number, the call is automatically transferred to the new extension telephone number. However, if the calling extension subscriber is a relay station or a multifunction telephone having a display function, the new extension telephone number is displayed on the display device.

When a calling extension subscriber dials an extension telephone number following a new extension telephone number identifier, the extension that has been dialed is irrespective of whether the extension telephone number has been changed to the new extension telephone number. Make an incoming call to a telephone number subscriber promptly.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows an embodiment of a number change extension connection selection method according to the present invention. In FIG. 1, a private branch exchange 1 stores a relay station, a call path switch 2 accommodating an external line and extension subscribers A to C, a central processing unit 3, and storage for registering changed extension subscriber information and new extension telephone number identifier data. Device 4
Is provided. 2 and 3 show the data structure of software stored in the storage device 4.

The extension subscriber A is changed from the extension number 2000 to 3000 by changing the extension telephone number, and the old extension number 2000 used by the extension subscriber A is changed after the telephone number is changed.
It is assumed that the extension subscriber B is using it.

First, the case where the extension subscriber C who does not know the fact of extension telephone number change dials only the old extension telephone number before the extension telephone number change and the call is transferred to the new extension telephone number subscriber is shown in FIG. This will be described using a flowchart.

The extension subscriber C uses the old extension telephone number 2000 before the extension telephone number is changed so that the extension subscriber A can receive the incoming call.
When you dial the number, the central processing unit 3 recognizes this,
The new extension telephone number identifier registration data in FIG. 3 is read (step 1), and it is checked whether the dialed number is a new extension telephone number identifier (step 2). Since the new extension telephone number identifier has not been dialed, the changed extension subscriber registration data in FIG. 2 is searched with the dial telephone number 2000 to check whether the dialed extension telephone number is the telephone number changed extension ( Step 3). Since extension number 2000 is the extension number changed extension, new extension number 3000 is read from the changed extension subscriber registration data (step 4), and extension number 3 is read.
Incoming call processing to No. 000 is performed (step 5). Following the incoming call processing to the new extension telephone number, the presence or absence of the display function of the calling subscriber is checked (step 6). If the display function is present, the new extension telephone number 30 is displayed on the display device by the new extension telephone number display processing.
The number 00 is displayed (step 7).

Next, the extension subscriber C, who is aware of the fact that the extension telephone number has been changed, immediately dials the new extension telephone number subscriber by dialing the new extension telephone number following the new extension telephone number identifier. The case will be described with reference to the flowchart of FIG.

When the extension subscriber C dials the extension subscriber A to receive the call to the extension subscriber A, the extension subscriber A dials the extension subscriber A's new extension telephone number 3000, and the central processing unit 3 recognizes this. Then, the new extension telephone number identifier registration data in FIG. 3 is read (step 1), and it is checked whether the dialed number is the new extension telephone number identifier (step 2). Since it is the new extension telephone number identifier, the incoming call processing to the dialed new extension telephone number 3000 is performed (step 8). Following the incoming call processing to the new extension telephone number, the presence or absence of the display function of the calling subscriber is checked (step 9). If the display function is available, the display device is dialed by the dialed new extension telephone number display processing. The number 3000 is displayed (step 10).

In the present embodiment, an example in which the extension telephone is selected to connect to the extension number changing extension has been described, but it may be performed from a terminal connected to a relay stand, a public network and a leased line network. .

[0022]

According to the present invention, when the extension subscriber dials only the old extension telephone number before changing the extension telephone number, the incoming call is transferred to the new extension telephone number subscriber, and the extension subscriber dials the new extension telephone number. If a new extension telephone number is dialed after the identifier, the new extension telephone number subscriber is immediately called.

Further, when a relay stand or an extension subscriber having a display function dials only the old extension telephone number before the extension telephone number is changed and the call is transferred to the new extension telephone number subscriber, the new extension is displayed on the display device. Displays the telephone number and notifies the calling subscriber of the fact that the extension telephone number has been changed and the new extension telephone number. The extension subscriber who recognizes the fact that the extension telephone number has been changed can quickly connect to the desired extension subscriber by dialing the new telephone number identifier before the new extension telephone number from the next time. Further, when the incoming call from the outside line is transferred to the extension line subscriber by the relay stand, the fact that the extension line number is changed and the new extension telephone number can be notified to the outside line callee.

[Brief description of drawings]

FIG. 1 is a block diagram of an extension subscriber showing an embodiment of the present invention.

FIG. 2 is a diagram showing a number change extension incoming call connection system of the present invention.
Explanatory drawing of the telephone number change extension subscriber registration data which registers a telephone number change extension telephone number and a new extension telephone number.

FIG. 3 is a diagram showing a number change extension incoming call connection system of the present invention.
Explanatory drawing of new extension telephone number identifier registration data.

FIG. 4 is a flowchart for connecting an extension incoming call in the number change extension incoming call connection method of the present invention.

[Explanation of symbols]

 1 ... Private branch exchange, 2 ... Call path switch, 3 ... Central processing unit, 4 ... Storage device.

Claims (2)

[Claims] 1. A private call exchange control method in which a caller dials an extension telephone number when the extension number is changed, and only the extension telephone number from the caller is used. When dialed, if the dialed extension telephone number is identified as being changed to a new extension telephone number based on the extension number registration data stored in the private branch exchange, the dialed extension The telephone number is recognized as the old extension subscriber number, and the incoming call to the called extension subscriber is automatically transferred to the new extension number telephone. On the other hand, the extension telephone number dialed by the caller is registered in the extension number registration data by dialing the identifier indicating that the dial number is the new extension telephone number before dialing the extension telephone number. Regardless of whether or not the dial number is recognized as a new extension subscriber number, an incoming call to the called extension subscriber is received by the called extension subscriber of the dialed number. Telephone number change extension connection method. 2. A method for controlling an incoming call connection when a caller dials an extension telephone number while the extension telephone number of a called extension subscriber has been changed, the relay stand having a display device or When only the extension telephone number is dialed by the caller of a multi-function telephone, etc., the dialed extension telephone number is changed to a new extension telephone number based on the extension number registration data stored in the private branch exchange. If the dialed extension telephone number is recognized as the old extension subscriber number, the call is automatically transferred to the new extension number telephone of the called extension subscriber and the new extension telephone number is displayed on the display device. A number change extension connection method characterized by displaying a number and notifying a relay station and a calling extension subscriber of a change in extension telephone number and a new extension telephone number.