JP2001177648A - Method and device for selecting number of caller - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and a device for selecting a caller number capable of sending a proper caller number even when different kinds of lines such as a global contract line and a dial-in contract line are housed mixedly in a private branch exchange. SOLUTION: The type of a line is held in a line type table 11 by each line, the caller number set to each line is held in a line unit number table 13, the caller number set to each line is held in an extension unit number table 15 in advance, and a caller number selecting part 9 judges the type of the line by referring to the table 11 on the basis of a line acquired at the time of a call from an extension and selects the caller number by referring to the table 13 and the table 15 on the basis of this judged type of a line.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a caller ID selection for selecting an appropriate caller ID to be transmitted to a network in a PBX and a key telephone apparatus (hereinafter, referred to as a private branch exchange) accommodating an ISDN line. Method and apparatus.

[0002]

2. Description of the Related Art Conventionally, there are two methods for selecting a caller number in a private branch exchange which can accommodate a plurality of ISDN lines. The first method is to register a caller number on a line-by-line basis, select a caller number by a line captured by an extension telephone housed in the private branch exchange, and send it to the line. Is to register a caller number for each extension telephone accommodated in the private branch exchange, thereby selecting and transmitting a caller number assigned to the extension telephone irrespective of the line that the extension telephone captures. Things.

FIG. 3 is a block diagram showing a configuration of an apparatus for implementing the above-mentioned first conventional method. As shown in the figure, a plurality of line interfaces 1a to 1m accommodating ISDN lines and a plurality of extension interfaces 3a to 3n accommodating a plurality of extension telephones 7a to 7n are connected to a switching unit 5, and the switching unit 5 ISDN line and extension phone 7a
7n are exchange-connected. Further, a control unit 20 including a caller number selection unit 21 and a line unit number table 22 is connected to the exchange unit 5. The line unit number table 22 holds a caller number corresponding to each line, that is, each line captured when the extension telephone 7 makes a call.

When the extension telephone 7 makes a call and receives the information of the line captured by the extension telephone 7 from the exchange unit 5, the caller number selection unit 21 receives a line unit number table 22 based on the information of this line. And selects a caller number corresponding to the line. Then, the caller number selection unit 21 sets the line unit number table 2
The exchange number is notified to the exchange unit 5 via the line interface 1, and the exchange unit 5 sends the caller number selected from the line 2 to the ISDN line.

FIG. 4 is a block diagram showing the configuration of an apparatus for implementing the above-mentioned second conventional method. The device shown in the figure is different from the device shown in FIG. 3 in that an extension unit number table 32 holding a caller number corresponding to each extension is used instead of the line unit number table 22. is there.

That is, in FIG. 4, when the extension telephone 7 makes a call, the extension unit, that is, the extension unit number table 32 is searched based on the extension, and a caller number corresponding to the extension is selected and transmitted to the exchange unit 5. You are notified.
The exchange unit 5 sends the notified caller number to the line.

[0007]

In the above-mentioned conventional caller ID selection method, the conventional method shown in FIG.
Because the caller ID to be notified is fixed on the seizure line,
Although appropriate control is performed for a system that accommodates only global contract lines, there is a problem that a dial-in contract line is accommodated and an individual number cannot be transmitted for each extension telephone 7.

Further, in the conventional method shown in FIG. 4, the caller number to be notified is fixed for each extension and does not depend on the capture line. Appropriate control is performed when the number is notified, but if the global contract line and the dial-in contract line are made to correspond to one extension telephone, each extension telephone is also used when the global contract line is captured and transmitted. Is transmitted.

[0009] The present invention has been made in view of the above,
The purpose thereof is to provide a method and apparatus for selecting a caller number capable of transmitting an appropriate caller number even when different types of lines, such as a global contract line and a dial-in contract line, are mixed and accommodated in a private branch exchange. Is to provide.

[0010]

In order to achieve the above object, the present invention as defined in claim 1 provides a private branch exchange which accommodates an ISDN line. A method in which a caller number set for each accommodated line is held as a line unit number table, a caller number set for each housed extension is held as an extension unit number table, and The type of the line is held as a line type table, and the type of the line is determined by referring to the line type table based on the number of the line captured at the time of calling from the extension, and the type of the line is determined based on the determined line type. With reference to one or both of the line unit number table and the extension unit number table,
The gist is to select the caller number.

According to the first aspect of the present invention, a line unit number table holding a caller number set for each line, an extension unit number table holding a caller number set for each extension, a line A line type table for holding the line type for each line is provided, and the line type is determined by referring to the line type table based on the number of the line captured at the time of calling, and a line unit number table and an extension unit are determined based on the line type. Since the caller number is selected with reference to one or both of the number tables, the caller number can be correctly selected and transmitted even when ISDN lines of different line types are mixed.

The present invention according to claim 2 provides the invention according to claim 1.
In the invention described in the invention, the step of determining the type of the line is to identify a global contract line or a dial-in contract line as the line type.

Further, the present invention according to claim 3 provides the invention according to claim 2.
In the described invention, the step of selecting the caller number, if the determined line type is a global contract line, with reference to the line unit number table,
Search for a caller number corresponding to the line, and if the determined line type is a dial-in contract line, refer to the extension unit number table to search for a caller number corresponding to the extension. The gist is that the searched caller number is transmitted to the line, and if the search result indicates that there is no caller number, the caller number is not transmitted to the line.

According to the third aspect of the present invention, if the line type is a global contract line, the caller number corresponding to the line is searched by referring to the line unit number table, and the line type is determined. Is a dial-in contract line, the caller ID corresponding to the extension is searched by referring to the extension unit number table.
Even when SDN lines are mixed, the caller number can be selected correctly and transmitted.

According to a fourth aspect of the present invention, in the second aspect of the present invention, the step of selecting the caller ID comprises:
If the determined line type is a global contract line, the caller number corresponding to the line is searched by referring to the line unit number table, and the determined line type is a dial-in contract line. In some cases, by referring to the extension unit number table, a caller number corresponding to the extension is searched, and as a result of the search, if there is no caller number corresponding to the extension, the line unit number table With reference to, to search for the caller number corresponding to the line, send the searched caller number to the line, as a result of the search,
If there is no caller ID, the gist is that the caller ID is not transmitted to the line.

According to the present invention, when the line type is a global contract line, a caller number corresponding to the line is searched by referring to a line unit number table. If is a dial-in contract line, refer to the extension unit number table, search for the caller ID corresponding to the extension, and if the search result shows that there is no caller ID corresponding to the extension, Refers to the line unit number table and searches for the caller number corresponding to the line. Therefore, even if ISDN lines of different line types, such as a global contract line and a dial-in contract line, are mixed, the caller number can be obtained. It can be selected and transmitted correctly.

According to a fifth aspect of the present invention, an ISDN
A caller ID selection device for selecting a caller ID to be transmitted to a network in a private branch exchange containing a line,
It has a line unit number table that holds a caller number set for each accommodated line, an extension unit number table that holds a caller number set for each accommodated extension, and a line type for each accommodated line. A line type table, line type determination means for determining the type of the line by referring to the line type table based on the number of the line captured at the time of calling from the extension, and the line type based on the determined line type The gist of the invention is to have a caller number selecting means for selecting the caller number by referring to one or both of a unit number table and the extension unit number table.

According to the present invention, a line unit number table holding a caller number set for each line, an extension unit number table holding a caller number set for each extension, A line type table for holding the line type for each line is provided, and the line type is determined by referring to the line type table based on the number of the captured line at the time of calling, and a line unit number table and an extension are determined based on the line type. Since the caller number is selected by referring to one or both of the unit number tables, the caller number can be correctly selected and transmitted even when ISDN lines of different line types are mixed.

Further, the present invention described in claim 6 provides the present invention in claim 5.
In the invention described in the above aspect, the gist of the line type is to identify a global contract line or a dial-in contract line as the line type.

According to a seventh aspect of the present invention, in the invention according to the sixth aspect, the caller number selecting means stores the line unit number table when the determined line type is a global contract line. The caller number corresponding to the corresponding line is searched for, and if the determined line type is a dial-in contract line, the caller corresponding to the corresponding extension is referred to by referring to the extension unit number table. The gist of the present invention is to have a control means for searching for a number, sending the searched caller number to the line, and not sending the caller number to the line if there is no caller number as a result of the search. .

According to the present invention, when the line type is a global contract line, a caller number corresponding to the line is searched by referring to the line unit number table, and the line type is determined. Is a dial-in contract line, the caller ID corresponding to the extension is searched by referring to the extension unit number table.
Even when SDN lines are mixed, the caller number can be selected correctly and transmitted.

The present invention described in claim 8 provides the present invention according to claim 6.
In the invention described, when the determined line type is a global contract line, the caller number selecting means refers to the line unit number table and searches for a caller number corresponding to the line. If the determined line type is a dial-in contract line, the caller ID corresponding to the extension is searched by referring to the extension unit number table, and as a result of the search, the call corresponding to the extension is determined. If there is no caller ID, the caller ID corresponding to the relevant line is searched by referring to the line unit number table, and the searched caller ID is transmitted to the line. The gist of the present invention is to have a control means for controlling not to send the caller ID to the line when there is no caller ID.

According to the present invention, when the line type is a global contract line, the caller number corresponding to the line is searched by referring to the line unit number table, and the line type is determined. If is a dial-in contract line, refer to the extension unit number table, search for the caller ID corresponding to the extension, and if the search result shows that there is no caller ID corresponding to the extension, Refers to the line unit number table and searches for the caller number corresponding to the line. Therefore, even if ISDN lines of different line types, such as a global contract line and a dial-in contract line, are mixed, the caller number can be obtained It can be selected and transmitted correctly.

[0024]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a caller number selection device according to an embodiment of the present invention. The caller number selection device shown in FIG. 1 has a plurality of line interfaces 1a to 1m connected to an ISDN line consisting of a dial-in contract line and a global contract line.
These line interfaces 1 a to 1 m are connected to the switching unit 5. FIG. 1 specifically shows a case where the line interfaces 1a and 1b are connected to a dial-in contract line, and the line interface 1m and the like are connected to a global contract line.

A plurality of extension telephones 7a to 7n connected to each extension are connected to the exchange unit 5 via extension interfaces 3a to 3n. The exchange unit 5 is provided for each ISD
The N line and the extension telephones 7a-7n are connected to the line interfaces 1a-1m and the extension interfaces 3a-3, respectively.
exchange connection via n.

Further, a caller number selection unit 9 of a control device 10 is connected to the exchange unit 5, and the caller number selection unit 9 has a line type table 11, a line unit number table 13, and an extension unit number table 15. It is connected.

The line type table 11 is a table holding line types for each line to be accommodated, as shown in Table 1 below.

[0028]

[Table 1] Further, as shown in Table 2 below, the line unit number table 13 is a table holding a caller number set for each line to be accommodated.

[0029]

[Table 2] Further, as shown in Table 3 below, the extension unit number table 15 is a table holding a caller number set for each extension to be accommodated.

[0030]

[Table 3] The caller number selection unit 9 receives the number of the captured line interface 1 and the number of the extension telephone 7 requesting the call from the switching unit 5, and refers to the line type table 11 based on the number of the line interface 1, The corresponding line type is identified, and based on the identified line type, one or both of the line unit number table 13 and the extension unit number table 15 is referred to to obtain a caller number to be transmitted. The number is notified to the exchange unit 5. The switching unit 5 sends the notified caller number to the ISDN line via the line interface 1.

Next, the operation of the caller number selecting device configured as described above will be specifically described.

Now, when the extension telephone 7n of extension N makes a call and captures and transmits the line 1 under the control of the switching unit 5, the switching unit 5 transmits the call information of the line 1 and the extension N to the caller. Notify the number selection unit 9. The caller number selection section 9
The type of the notified line 1 is identified as a dial-in contract line with reference to the line type table 11. Since the line type is a dial-in contract line, the caller number selection unit 9 refers to the extension unit number table 15, acquires the caller number “999-9999” corresponding to the extension N, and Notify the exchange unit 5.

The exchange unit 5 transmits the caller number "999-999".
When "9" is received, the caller number is notified to the line interface 1a. The line interface 1a sends out the caller number "999-9999" to the line 1.

When the extension telephone 7n of the extension N captures and transmits the line M, the switching unit 5 notifies the caller number selection unit 9 of the call numbers of the line M and the extension N.
The caller number selection unit 9 refers to the line type table 11 and identifies the type of the line M as a global contract line. Since the line type is a global contract line, the caller number selection unit 9 refers to the line unit number table 13 and
The caller number “XXX-XXXX” corresponding to the line M is obtained, and the caller number is notified to the exchange unit 5.

The exchange unit 5 transmits the caller number “XXX-XXX”
When "X" is received, the caller number is notified to the line interface 1m. The line interface 1m sends out the caller number “XXX-XXXX” to the line M.

Next, the operation of the caller number selection device according to another embodiment of the present invention, that is, the caller number selection method will be described with reference to the flowchart shown in FIG.

In this embodiment, the line type table 11, the line unit number table 13, and the extension unit number table 15 shown in FIG. 1 are set as shown in the following Tables 4, 5, and 6, respectively. And

[0038]

[Table 4]

[Table 5]

[Table 6] First, when the extension telephone 7a of the extension 1 captures and receives the line 1, the switching unit 5 notifies the caller number selector 9 of the call information of the line 1 and the extension 1, and the caller number selector 9 By referring to the line type table 11 in Table 4, it is determined whether the type of the notified line 1 is a dial-in contract line or a global contract line, and is identified as a dial-in contract line (step S1). Since the line type is a dial-in contract line, the caller number selection unit 9 refers to the extension unit number table 15 in Table 6 and determines whether the caller number is assigned to the extension telephone 7a which is the call terminal of the extension 1. It is checked whether or not it is (step S9). Since the caller number is assigned to the extension telephone 7a that is the calling terminal, the extension unit number table 15
, The caller ID “111-1111” is obtained (step S11). Then, the caller number is notified to the exchange unit 5. The exchange unit 5 transmits the caller number “111-1111”.
Is received, this caller ID is sent to line interface 1
Notify a. The line interface 1a sends the caller number “111-1111” to the line 1.

Next, when the extension telephone 7a of the extension 1 has captured the line M, the result of the judgment of the type of the line M by the caller number selection unit 9 with reference to the line type table 11 of Table 4 is as follows. Since it is identified as a global contract line (step S1), the line unit number table 1 in Table 5
With reference to FIG. 3, it is checked whether or not a caller number is assigned to this capture line (step S3). In the example of Table 5, since the caller number "AAA-AAAA" is assigned to the line M, the caller number is selected (step S5) and notified to the exchange unit 5.

Further, when the extension telephone 7b of the extension 2 captures and transmits the line 2, the line type table 1 in Table 4
Since the result of the determination of the type of the line 2 by the caller number selecting unit 9 with reference to 1 is identified as a dial-in contract line (step S1), the extension unit number table 15 shown in Table 6 is referred to. When the caller number assigned to the extension phone 7b of the extension 2 is checked, it is found that the caller number is not assigned to the extension phone 7b of the extension 2 (step S9). , Table 5
It is checked whether or not the caller number is assigned to the capture line 2 with reference to the line unit number table 13 (step S3). As a result, from the line unit number table 13 in Table 5, "BBB-B"
Since it is known that "BBB" has been assigned, the caller number "BBB-BBBB" is obtained (step S5). Then, the caller number is notified to the exchange unit 5. When receiving the caller number "BBB-BBBB", the exchange unit 5 notifies the line interface 1a of the caller number. The line interface 1a sends the caller number "BBB-BBBB" to the line 1.

Next, when the extension telephone 7b of the extension 2 captures the line 3, the type of the line 3 with reference to the line type table 11 of Table 4 is identified as a dial-in contract line. Step S1), extension 2, which is the originating terminal
When it is checked whether a caller number is assigned to the extension telephone 7b by referring to the extension unit number table 15 of Table 6 (step S9), it is found that the caller number has not been assigned. It is checked whether a caller number is assigned to the line 3 with reference to the line unit number table 13 (step S3). Table 5
Since the caller number for the line 3 is not assigned to the line unit number table 13 of FIG.
Notifies the exchange unit 5 that there is no caller ID (step S
7). Therefore, in this case, the switching unit 5 does not send the caller number to the line.

[0042]

As described above, according to the present invention,
A line unit number table, an extension unit number table, and a line type table are provided, and the line type is determined by referring to the line type table based on the captured line. One of the line unit number table and the extension unit number table is determined based on the line type. Since the caller number is selected by referring to both, the caller number can be correctly selected and transmitted even when ISDN lines of different line types are mixed.

According to the present invention, if the line type is a global contract line, the caller number corresponding to the line is searched by referring to the line unit number table, and the line type is dial-in contract line. , The caller number corresponding to the extension is searched by referring to the extension unit number table. Therefore, when ISDN lines having different line types, such as a global contract line and a dial-in contract line, are mixed. However, the caller ID can be correctly selected and transmitted.

Further, according to the present invention, if the line type is a global contract line, the caller number corresponding to the line is searched by referring to the line unit number table, and the line type is dial-in contract line. If it is, the caller number corresponding to the extension is searched by referring to the extension unit number table, and if there is no caller number corresponding to the extension, the line unit number table is referred to. Therefore, even if ISDN lines of different line types such as a global contract line and a dial-in contract line are mixed, the caller number corresponding to the line can be selected and transmitted. it can.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a caller number selection device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the caller number selection device shown in FIG.

FIG. 3 is a block diagram showing a configuration of an apparatus for implementing a first conventional method.

FIG. 4 is a block diagram showing a configuration of an apparatus for implementing a second conventional method.

[Explanation of symbols]

 1 (1a to 1m) Line interface 3 (3a to 3n) Extension interface 5 Switching unit 7 (7a to 7n) Extension telephone 9 Caller number selection unit 11 Line type table 13 Line unit number table 15 Extension unit number table

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masayuki Ito 3-19-2 Nishishinjuku, Shinjuku-ku, Tokyo F-term within Nippon Telegraph and Telephone Corporation 5K024 AA11 AA71 BB04 CC01 CC14 DD04 GG01 9A001 BB06 HH34 JJ12 KK56 LL09

Claims (8)

[Claims] 1. A caller ID selection method for selecting a caller ID to be transmitted to a network in a private branch exchange accommodating an ISDN line, wherein the caller ID set for each line accommodated is a line unit number. Maintained as a table, the caller ID set for each extension to be accommodated is retained as an extension unit number table, and the line type for each accommodated line is retained as a line type table, and the lines captured when calling from the extension Referring to the line type table based on the number of, to determine the type of the line, referring to one or both of the line unit number table and the extension unit number table based on the determined line type, the A method for selecting a caller number, comprising selecting a caller number. 2. The step of determining the type of the line,
2. The caller ID selection method according to claim 1, wherein a global contract line or a dial-in contract line is identified as the line type. 3. The step of selecting a caller number, wherein, if the determined line type is a global contract line, the caller number corresponding to the line is referred to by referring to the line unit number table. Searching, if the determined line type is a dial-in contract line, refer to the extension unit number table to search for a caller number corresponding to the extension, and 3. The caller number selection method according to claim 2, wherein the caller number is not sent to the line if the caller number is not found as a result of the search. 4. The step of selecting the caller number, wherein if the determined line type is a global contract line, the caller number corresponding to the line is referred to by referring to the line unit number table. If the determined line type is a dial-in contract line, the caller number corresponding to the extension is searched by referring to the extension unit number table, and as a result of the search, the If there is no caller ID to be searched, the caller ID corresponding to the line is searched by referring to the line unit number table, and the searched caller ID is transmitted to the line. 3. The caller ID selection method according to claim 2, wherein the caller ID is not transmitted to the line if there is no number. 5. A caller ID selection device for selecting a caller ID to be transmitted to a network in a private branch exchange accommodating an ISDN line, wherein the line holds a caller number set for each accommodated line. A unit number table, an extension unit number table holding a caller number set for each extension to be accommodated, a line type table having a line type for each accommodation line, and a A line type determining unit that determines the type of the line by referring to the line type table based on a number; and refers to one or both of the line unit number table and the extension unit number table based on the determined line type. And a caller number selecting means for selecting the caller number. 6. The caller number selection device according to claim 5, wherein said line type determining means identifies a global contract line or a dial-in contract line as a line type. 7. The caller number selecting means, if the determined line type is a global contract line, refers to the line unit number table and searches for a caller number corresponding to the line. If the determined line type is a dial-in contract line, the caller number corresponding to the extension is searched by referring to the extension unit number table, and the searched caller number is transmitted to the line. 7. The caller number selection device according to claim 6, further comprising control means for controlling so that the caller number is not transmitted to the line if there is no caller number as a result of the search. 8. The caller number selecting means, if the determined line type is a global contract line, refers to the line unit number table to search for a caller number corresponding to the line. If the determined line type is a dial-in contract line, the caller ID corresponding to the extension is searched by referring to the extension unit number table, and as a result of the search, the call corresponding to the extension is determined. If there is no caller ID, the caller number corresponding to the line is searched by referring to the line unit number table, and the searched caller ID is transmitted to the line.
7. The caller number selection device according to claim 6, further comprising control means for controlling so that the caller number is not transmitted to the line when there is no caller number.