JP3296397B2 - Billing method in private branch exchange network - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a private branch exchange network,
The present invention relates to a billing method in a case where a private branch exchange as a transmission source is connected to a public network via an ISDN private line network, such as a private line network-public network or a private line network-private line network-public network.

[0002]

2. Description of the Related Art Conventionally, in such a private branch exchange network,
It only charges for the public network or ISDN leased line network. In the case where the private branch exchange is connected to the public network, the charge is calculated as a charge for the private branch exchange connected to the public network.

[0003]

However, in the above-mentioned conventional charging system, when a call is made on a leased line network-a leased line network-a public network, etc., a problem arises in that accurate billing cannot be performed in the private branch exchange at the origin. There was a point.

An object of the present invention is to solve such a conventional problem, and it is an object of the present invention to provide a billing system which enables accurate billing at a source in a call via an ISDN leased line network. Is what you do.

[0005]

To accomplish the above object a means for solving] are connected to each other via the ISDN dedicated line network, and with each having a private branch exchange number multiple connected to a public network , Each of the plurality of private branch exchanges ,
MA seat corresponding to the national MA code in the public network
MA coordinate information indicating a sign, the public network of each private branch exchange
Code information indicating an MA code in the public network
Network section showing the number of seconds that can be talked per unit charge in Japan
Gold index information and unit charges for the ISDN leased line
The dedicated line network charging index information indicating the number of seconds that can be talked per
Has order storage comprises a billing apparatus which performs a charging process with these, said ISDN dedicated line from a first private branch exchange of the plurality of private branch exchange, or the ISDN
Outgoing calls sent via leased lines and other private branch exchanges
A second private branch exchange of the plurality of private branch exchanges;
Billing method in private branch exchange network for calling to public network
A formula, the second private branch exchange, the first premise
From the exchange, the ISDN leased line or the ISDN
Outgoing calls sent via leased lines and other private branch exchanges
When making a call to the public network, the second private branch exchange
Number information indicating connection to the public network, the public network
Indicates the use route of the ISDN leased line until it is connected to
Usage status information and dial information originating from the public network
Is sent to the first private branch exchange.
And wherein the first private branch exchange is the second private branch exchange.
Receiving the progress display information from the first structure,
The first private branch exchange, which is given to the charging unit of the private branch exchange.
The billing processing device of the above, wherein the number information in the progress display information
The MA code information and the MA coordinate information based on the
The second private branch exchange connected to the public network.
While extracting the MA coordinates, the
Referring to the MA coordinate information based on the dial information,
The MA coordinates of the destination terminal are extracted, and these second private branch exchanges are
The distance between the destination terminals is calculated, and the calculated distance is calculated.
The public network billing index information based on
Is performed, and the progress display information includes
Based on the usage status information, it is used before connecting to the public network.
The ISDN leased line used is extracted, and the extracted
The dedicated line network charging index information based on the ISDN dedicated line
Referring to, the charging process for the ISDN leased line is performed.
Cormorant it is characterized in.

[0006]

Therefore, according to the present invention, a call originating from the first private branch exchange transmitted through the ISDN private line network or the ISDN private line network and another private branch exchange is transmitted to the public network by the second private branch exchange. In such a case, information indicating the use route of the ISDN leased line network until connection to the public network and information indicating the dialing call to the public network are transmitted to the first private branch exchange. By receiving the information transmitted from the private branch exchange and providing the information to the first accounting processor, the originating first accounting processor uses the ISDN leased line network until it is connected to the public network, and Since it is possible to know the dial dialed to the network, it is possible to perform accurate billing calculations.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a system configuration diagram of an embodiment of the present invention.

In FIG. 1, reference numeral 1 denotes a private branch exchange (hereinafter, simply abbreviated as PBX). d is located at each Nagoya branch office.

Reference numeral 2 denotes a public network, and reference numeral 3 denotes a trunk (COT) for connecting each PBX 1 to each public network 2.

4 is an ISDN dedicated line, and 5 is an ISDN
This is an ISDN trunk (SD-I) that connects the leased line 4 and the PBX 1. This ISDN leased line 4 and I
PBX1-a and PBX1-
b, between PBX1-b and PBX1-c, and between PBX1-c and PBX1-d.

6 is a billing processor (C) for calculating a call charge.
PU), and 7 is a charge management device (HCPU) that collectively manages data calculated by the charge processing device 6.

Reference numeral 8 denotes a dedicated line used when the charge management device 7 collects data from each charge processing device 6, and 9 denotes a modem trunk (RMT) connecting the dedicated line 8 and the PBX 1.
D).

Reference numeral 10 denotes an extension terminal (NAS) housed in each PBX 1, and 11 denotes an extension terminal 10
And the PBX 1 or the line circuit connecting the PBX 1 and the accounting management device 7.

FIG. 2 is an explanatory diagram showing a calling procedure of the ISDN leased line network-ISDN leased line network-public network.

In FIG. 2, an extension terminal 10-a of PBX 1-a (Tokyo) receives a call from Kitakyushu (dial "093-XXX").
-XXXX ") will be described.

In step 200, the extension terminal 10-a
When the operator dials the Kitakyushu destination dial,
In step 201, the PBX 1-a performs a dial determination process based on the dial dialed.

FIG. 3 is a flowchart showing the procedure of the above-described dial determination process.

In step 300 of FIG.
Searches for a dial area number corresponding to the dial dialed by the PBX 1 using the calling dial / dial area number correspondence table.

FIG. 4 is a table showing the calling dial / dial area number correspondence.

The call dial / dial area number correspondence table shown in FIG. 4 shows dial area numbers corresponding to call dial.

Returning to FIG. 3, assuming that the dial area number corresponding to the above outgoing dial is, for example, "001", in step 301, the PBX 1 uses the dial outgoing time / route selection number correspondence table to execute the dialing. Search for a route selection number corresponding to the calling time and dial area number.

FIG. 5 is a table showing the correspondence between the dialing time and the route selection number.

The dial calling time / route selection number correspondence table shown in FIG. 5 shows a route selection number corresponding to each dial calling time and dial area number.

FIG. 6 shows a route selection number / priority route /
It is an additional dial selection number correspondence table.

The route selection number / priority route /
The additional dial selection number correspondence table shows, for each route selection number, the priority of the route to be captured and the additional dial selection number when each route is captured.

Returning to FIG. 3, for example, assuming that the dialing time zone is “00:00 to 01:00” and the above-mentioned route selection number is “001”, the PBX 1 in steps 302 and 1505 Based on the route selection number “001” column of the route selection number / priority route / additional dial selection number correspondence table shown in FIG. 6, it is determined in order from the route with the highest priority whether or not the connection to the corresponding network is possible.

That is, in step 302, it is determined whether or not the route having the highest priority can be connected to the relevant network. If the connection is possible, the process proceeds to step 303. If the connection is not possible, the process proceeds to step 302 via step 305. Return to

Subsequently, in step 302, it is determined whether or not the route having the second highest priority can be connected to the relevant network.
02 and 1505 are repeated, and if a connectable route is found, the process proceeds to step 303. If all routes shown in the route selection number “001” column of FIG. 6 cannot be connected, a busy process is performed in step 304. .

In step 303, the PBX 1
Using the route selection number / priority route / additional dial selection number correspondence table shown in (1), an additional dial selection number of the captured route is searched.

Next, in step 304, the PBX 1
The additional dial to be added to the outgoing dial is determined by the additional dial selection number / additional dial correspondence table, and the additional dial is added to the outgoing dial.

FIG. 7 shows the additional dial selection number / additional dial correspondence table.

The additional dial selection number / additional dial correspondence table shown in FIG. 7 shows additional dials added to the dialed outgoing call corresponding to each additional dial selection number.

For example, if the above-mentioned captured route is “RUT15” with the second highest priority and therefore the additional dial selection number is “02”, the additional dial is “0”.
070 ". If the above acquisition route is an ISDN leased line network, the additional dial selection number is "01" and no additional dial is added.

Returning to FIG. 2, in dial determination processing 1 of steps 201 and 204, PBX1-a
(Tokyo) and PBX1-b (Osaka) will be described below assuming that the above acquisition route is an ISDN leased line network.

In step 202, PBX1-a (Tokyo) sets up a call to PBX1-b (Osaka),
The call setting information such as the calling dial is transmitted to PBX1-b (Osaka).

In step 203, when the PBX1-b (Osaka) accepts the above-mentioned call setting, the PBX1-b returns call setting acceptance information notifying the acceptance to the PBX1-a (Tokyo).

Next, at step 204, PBX1-b
(Osaka) performs dial determination processing 1 based on the call setting information received from PBX1-a (Tokyo) in the same manner as in step 201, and sets the capture route as an ISDN dedicated line network.
In step 205, call setting is performed for PBX1-c (Fukuoka), and call setting information such as outgoing call dial is set to PBX
1-c (Fukuoka).

In step 206, upon receiving the call setting from PBX1-b (Osaka), PBX1-c (Fukuoka) returns the call setting acceptance information to PBX1-b (Osaka) in the same manner as in step 203.

Next, at step 207, PBX1-c
(Fukuoka) performs the dial determination process shown in FIG. 3 based on the call setting information received from PBX1-b (Osaka),
The public network 2-c shown in FIG. 1 is selected as the capture route.

At this time, the PBX1-c (Fukuoka) stores the additional dial selection number "0" in the route selection number / priority route / additional dial selection number correspondence table shown in FIG.
If "2" is retrieved, the additional dial is "0070" from the additional dial selection number / additional dial correspondence table shown in FIG.
-C (Fukuoka) adds “0”, which is obtained by adding this additional dial “0070” to the calling dial “093-XXX-XXXX”.
"700-093-XXX-XXXX" to the public network 2-c.

Next, at step 209, PBX1-c
(Fukuoka) transmits the progress display information to PBX1-b (Osaka).

FIG. 8 is a diagram showing the data structure of the progress display information.

The progress display information shown in FIG. 8 is exchanged between the PBXs 1 for billing processing when a call is connected, and PBX number information 800 indicating the PBX 1 connected to the public network 2, this progress display information Two PBXs to do
The use state information of the ISDN leased line 4 between the two (in FIG. 8, the number of communication paths of the ISDN leased line 4 connecting the two PBXs 1 is 16) 801 and the dial information 802 sent to the public network 2 It is configured.

Returning to FIG. 2, the progress display information transmitted from the PBX 1-c (Fukuoka) contains the progress display information connected to the public network 2-c.
It is composed of a PBX number indicating BX1-c (Fukuoka), a use state of the ISDN dedicated line 4-b, and dial information for calling PBX1-c (Fukuoka) to the public network 2-c.

Subsequently, at step 209, PBX1-
b (Osaka) adds the use state of the ISDN dedicated line 4-a between PBX1-b (Osaka) and PBX1-a (Tokyo) to the progress display information received from PBX1-c (Fukuoka), The information is transmitted to PBX1-a (Tokyo) as display information.

Next, in step 211, the partner terminal responds, and the response information from the partner terminal is PBX1-c.
(Fukuoka), in step 212, the PBX1-c (Fukuoka) transmits the response information to the PBX1-b
(Osaka).

Subsequently, at step 213, PBX1-
b (Osaka) receives the response information from PBX1-c (Fukuoka) and transmits the response information to PBX1-a (Tokyo).

Then, at step 214, PBX1-
The charging processing device 6-a of a (Tokyo) starts the charging process, and a call between the extension terminal 10-a of the PBX 1-a (Tokyo) and the partner terminal is started.

FIG. 9 is a flow chart showing the procedure of charging the public network in the charging processor 6-a (Tokyo) at this time.

In step 900 of FIG. 9, the accounting processor 6-a (Tokyo) sets the PBX 1-a (Tokyo) to the PBX 1 in order to know which PBX 1 is connected to the public network 2.
-B (Public network 2) from the progress display information received from (Osaka)
The PBX number indicating the PBX 1 connected to the
The MA code corresponding to the BX number is searched using the PBX number / MA code correspondence table.

FIG. 10 shows the above PBX number / MA code correspondence table.

This PBX number / MA code correspondence table shows the correspondence between the PBX number indicating each PBX 1 and the MA code of each PBX 1.

FIG. 11 shows MAs nationwide in the public network 2.
5 is a nationwide MA code / MA coordinate table showing codes and MA coordinates of the MA code composed of X coordinates and Y coordinates.

Returning to FIG. 9, the retrieved PBX number is P
Since the PBX number is “3” indicating BX1-c (Fukuoka), the corresponding MA code is “9210ffff” from FIG.

Subsequently, at step 901, the accounting processing device 6-a (Tokyo) transmits the M of the above PBX1-c (Fukuoka).
The MA code of the A code is the national MA code / M shown in FIG.
Search using the A coordinate table.

Next, in step 902, the accounting processor 6-a (Tokyo) removes the NCC (New Common Carrier) access code (additional dial) from the calling dial information of the progress display information, and replaces the NCC access code. The MA coordinates corresponding to the removed calling dial, that is, the MA code of the receiving terminal (the other terminal) is searched using the national MA code / MA coordinate table shown in FIG.

In step 903, the charging processing device 6-
a (Tokyo) is calculated from the MA coordinates of the PBX1-c (Fukuoka), which is the transmitting side to the public network 2-c, and the MA coordinates of the receiving terminal obtained from the above, from the transmitting side to the receiving terminal by Pythagorean theorem. Is calculated.

Then, in step 904, the billing processing device 6-a (Tokyo) uses the public network billing index table to execute the unit charge corresponding to the time division according to the distance from the calling side to the called terminal and the calling time. The number of communicable seconds per search is retrieved, and charge calculation in the public network 2-c is started.

FIG. 12 is an example of the above-mentioned public network charging index table.

This public network charging index table is stored in the public network 2
Shows the number of seconds that can be talked per unit charge in.

Also, in step 214 of FIG.
The billing process for the DN line 4-a and the ISDN line 4-b is performed in the same manner as in the public network 2-c, by using the ISDN line network of the progress display information received by the PBX 1-a (Tokyo) from the PBX 1-b (Osaka). In the ISDN leased line network 4-a and the ISDN leased line 4-b, a leased line number indicating the leased line used is checked from the use state information of No. 4 to determine whether the leased line used is a charging leased line. It is checked whether the line is a non-charged dedicated line by using a dedicated line charging presence / absence registration table.

FIG. 13 shows the above-mentioned dedicated line charging presence / absence registration table.

This dedicated line charging presence / absence registration table includes the IS
In the DN leased line network 4, it indicates whether each leased line indicated by the leased line number is a charge dedicated line or a non-charge dedicated line. In the figure, "1" in the dedicated line charge presence / absence column is "1". It indicates that it is a dedicated line for charging, and “0” indicates that it is a dedicated line for no charging.

FIG. 14 is a call dial / band number correspondence table.

This calling dial / band number correspondence table is provided for each dedicated line indicated by the dedicated line number.

Each dedicated line has a plurality of communication paths having different bands, and each communication path is indicated by a band number.

Therefore, the calling dial / band number correspondence table shown in FIG.
Which communication path of the leased line is used is indicated by the correspondence between the calling dial and the band number.

If the dedicated line used is a charging dedicated line, the calling dial / band number correspondence table corresponding to the charging dedicated line is searched using the calling dial / band number correspondence table shown in FIG. Call dial /
The band number corresponding to the outgoing call dial is searched from the band number correspondence table.

The ISDN leased line network 4-a is searched by using the ISDN leased line charging index table to find out the number of communicable seconds per unit time corresponding to the searched band number.
Then, the charge calculation on the ISDN dedicated line 4-b is started.

FIG. 15 is an example of the ISDN leased line network charging index table.

This ISDN leased line network charging index table indicates the number of seconds that can be talked per unit charge corresponding to each band number and the time period of the talk in the ISDN leased line network 4. The charging index table is provided for each dedicated line number.

Returning to FIG. 2, in step 215, the operator of the partner terminal hangs up the receiver, and PBX1-c (Fukuoka)
When the disconnection information is received, the PBX1-c (Fukuoka) transmits the disconnection information to the PBX1-b (Osaka) in step 216.

When PBX1-b (Osaka) receives this disconnection information, it returns release information to PBX1-c (Fukuoka) in step 217, and PBX1-b (Osaka) in step 218.
Send the disconnection information to X1-a (Tokyo).

Upon receiving the release information, PBX1-c (Fukuoka) transmits release completion information to PBX1-b (Osaka) in step 219, and terminates all call processing.

Further, PBX1-a (Tokyo) is replaced by PBX1-b
Upon receiving the disconnection information from (Osaka), step 210
In PBX1-a (Tokyo), the billing processor 6-a
Determines that the call has ended and ends the billing process.
In step 221, PBX1-a (Tokyo)
Send the disconnection information to X1-b (Osaka).

When PBX1-b (Osaka) receives the release information from PBX1-a (Tokyo), in step 222, it transmits release completion information to PBX1-a (Tokyo), and ends all call processing. .

As described above, according to the above embodiment, the PBX
1-c (Fukuoka), ISDN private line network 4-a, P
BX1-b (Osaka) and extension terminal 10 of PBX1-a (Tokyo) transmitted via ISDN leased line network 4-b
When a call originating from -a is sent to the public network 2-c, display information indicating the use route of the ISDN leased line network 4 until the connection to the public network 2-c, the dialing call to the public network, and the like are displayed. , P
BX1-a (Tokyo) and transmitted by PBX1-a (Tokyo) via PBX1-b (Osaka) to PBX1-c
By receiving the display information transmitted from (Fukuoka) and providing the display information to the billing processing device 6-a, the billing processing device 6-a of the transmission source can perform accurate charge calculation.

[0079]

As is apparent from the above embodiment, according to the present invention, the first private branch exchange transmitted by the second private branch exchange via the ISDN leased line network or the ISDN leased line network and other private branch exchanges. When an outgoing call from the exchange is sent to the public network, information indicating the use route of the ISDN leased line network until connection to the public network and information indicating the dialing call to the public network are transmitted to the first private branch exchange. By receiving the information transmitted from the second private branch exchange by the first private branch exchange and providing the information to the first billing processing device, the first billing processing device allows the first private branch exchange to connect to the public network via an ISDN dedicated line. Since it is possible to know the use route of the network and the dial dialed to the public network, it is possible to perform accurate billing at the source when making a call via the ISDN leased line network. Having.

[Brief description of the drawings]

FIG. 1 shows a system configuration diagram of an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a calling procedure of an ISDN leased line network-ISDN leased line network-public network.

FIG. 3 is a flowchart showing a dial determination processing procedure of each private branch exchange in the embodiment of the present invention.

FIG. 4 is a call dial / dial area number correspondence table showing the correspondence between call dials and dial area numbers used in the embodiment of the present invention.

FIG. 5 is a dial call time / route selection number correspondence table showing correspondence between a dial call time, a dial area number, and a route selection number used in the embodiment of the present invention.

FIG. 6 shows a route selection number / priority route / addition indicating priority of a route to be captured and an additional dial selection number when each route is captured, used in the embodiment of the present invention. It is a dial selection number correspondence table.

FIG. 7 is an additional dial selection number / additional dial correspondence table showing the correspondence between the additional dial selection number and the additional dial added to the dialed call used in the embodiment of the present invention.

FIG. 8 is a data configuration diagram of progress display information exchanged between the private branch exchanges for billing processing when a call is connected in the embodiment of the present invention.

FIG. 9 is a flowchart illustrating a procedure for charging a public network according to an embodiment of the present invention.

FIG. 10 shows a PBX used in an embodiment of the present invention.
It is a number / MA code correspondence table.

FIG. 11 shows a nationwide M used in an embodiment of the present invention.
It is an A code / MA coordinate table.

FIG. 12 is a public network charging index table used in the embodiment of the present invention.

FIG. 13 is a dedicated line charge presence / absence registration table used in the embodiment of the present invention.

FIG. 14 is a call dial / band number correspondence table used in the embodiment of the present invention.

FIG. 15 shows an ISD used in an embodiment of the present invention.
It is an N exclusive line charge index table.

[Explanation of symbols]

 Reference Signs List 1 private branch exchange (PBX) 2 public network 3 trunk (COT) 4 ISDN leased line 5 ISDN trunk (SD-I) 6 billing processor (CPU) 7 billing manager (HCPU) 8 leased line 9 modem trunk (RMTD) 10 Extension terminal (NAS) 11 line circuit

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-84245 (JP, A) JP-A-6-6489 (JP, A) JP-A-6-217043 (JP, A) 326792 (JP, A) JP-A-7-74827 (JP, A) JP-A-6-268746 (JP, A) JP-A-63-84246 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) H04M 15/34

Claims (2)

(57) [Claims] 1. A are connected to each other via the ISDN dedicated line, and, with each having a private branch exchange number multiple connected to a public network, each of the plurality of private branch exchange, all in the public network
MA coordinate information indicating the MA coordinate corresponding to the national MA code
Information, MA code of each private branch exchange in the public network
Code information indicating the unit charge for the public network.
PSTN charging index information indicating the number of seconds that can be talked
Available seconds per unit charge on ISDN leased line
The dedicated line network charging index information indicating the number is stored in advance.
Comprising a billing apparatus which performs a charging process with these, from said first private branch exchange of the plurality of private branch exchange
ISDN leased line, or the aforementioned ISDN leased line and others
Outgoing calls transmitted through the private branch exchange
Originating a call from the second private branch exchange to the public network;
A billing method in a private branch exchange network, wherein the second private branch exchange is located before the first private branch exchange.
The dedicated ISDN line or the dedicated ISDN line and
Calls transmitted via other private branch exchanges are sent to the public network.
When making a call, the second private branch exchange switches to the public network.
Number information indicating that the connection has been established,
Status information indicating the route of use of the ISDN leased line in Japan
And a progress chart including dial information for calling the public network
Signaling information to the first private branch exchange, wherein the first private branch exchange is
When receiving the progress display information, the first private exchange
It is given to the accounting treatment apparatus換機, billing apparatus of the first private branch exchange, the elapsed display
The MA code information based on the number information in the information;
Before connecting to the public network with reference to the MA coordinate information
Extracting the MA coordinates of the second private branch exchange;
The MA coordinates based on the dial information in the progress display information
With reference to the information, the MA coordinate of the destination terminal is extracted and
Calculates the distance between the second private branch exchange and the destination terminal, and updates
The public network charging index information is calculated based on the calculated distance.
With reference to the billing process for the public network, and
The public based on the use state information in the progress display information
Extract the ISDN dedicated line used before connecting to the network
And, further, the based on the previous SL ISDN dedicated line that this extract
Referring to the leased line network charging index information, the ISDN leased line
A billing method in a private branch exchange network, wherein a billing process is performed . 2. The system according to claim 1, wherein said charging processing device further comprises:
A dedicated line indicating whether the N leased line is a dedicated line
Line charge presence / absence information is stored in advance, and the billing processing device of the first private branch exchange exchanges the progress display
Connect to the public network based on the usage status information in the information
If the ISDN leased line used until the
Referring to the leased line charge presence / absence information, the connection to the public network
The ISDN leased line used before the
In this case, do not perform charging for the ISDN leased line.
The private branch exchange according to claim 1, wherein the private branch exchange is performed.
Billing method in the network.