JPH04215359A - Incoming call transfer registering system - Google Patents

Abstract

PURPOSE:To register an arbitrary subscriber as an incoming call transfer destination without imparing the profitability of an exchange in the exchange provided with an abbreviated dial function. CONSTITUTION:This system is composed of an abbreviated dial transfer destination registering means which registers the telephone number of the incoming call transfer destination in advance as an abbreviated dial code and registers a registered abbreviated dial code as a transfer destination number for the subscriber of a transfer origin, and an abbreviated dial incoming call transfer means which transfers the telephone number to the incoming call transfer destination registered on the abbreviated dial function based on the abbreviated dial code registered on the abbreviated dial transfer destination registration means when an incoming call is inputted to the subscriber of the transfer origin registered on the abbreviated dial transfer destination registration means.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a call transfer registration system in an exchange equipped with a speed dial function.

[0002] As one of the functions provided in exchanges, a call transfer function is widely adopted, which transfers an incoming call to another subscriber or relay stand that has been registered in advance as a call transfer destination.

0003

2. Description of the Related Art FIG. 5 is a diagram showing an example of a conventional private branch exchange. In FIG. 5, an extension 2 accommodated in a private branch exchange 1 makes a call to register another extension 4 connected via a trunk switching network (TN) 3 as a call transfer destination. When dialing the special number ST, the area code T3 and extension number E4 for connecting from the private branch exchange 1 to the extension 4 via the trunk switching network (TN) 3,
The main control unit (CPU) 12 that detected the call from extension 2,
When the number sent from extension 2 is analyzed and identified as a special number ST for incoming call transfer registration, the transfer destination registration unit 121 is activated.

The activated transfer destination registration unit 121 obtains the logical extension number EL2 of the calling extension 2, and stores it in the main memory (MM).
Transfer destination registration area (TRT) 13 provided in 13
1, the area code T3 dialed by the calling extension 2 is placed in the forwarding destination number registration area NT corresponding to the logical extension number EL2.
and extension number E4 are stored, and the transfer destination display IT in the same area is set to transfer destination registered T.

[0005] In such a state, when another extension 5 accommodated in the private branch exchange 1 attempts to receive a call to extension 2, the main control unit (CPU) 12 obtains the logical extension number EL2 of extension 2 and stores it in the main memory. Transfer destination registration area (TR) in the device (MM) 13
When referring to T) 131 and identifying that the transfer destination display IT corresponding to the logical extension number EL2 of extension 2 is set to transfer destination registered T, the incoming call transfer unit 122 is activated.

The activated call transfer unit 122 transfers the area code T3 registered in the transfer destination number registration area NT corresponding to the logical extension number EL2 of the transfer destination registration area (TRT) 131.
and extension number E4 are extracted and stored in the communication area (CA) 132 corresponding to the incoming call from extension 5 to extension 2.

[0007] Thereafter, the main control unit (CPU) 12 transmits the transfer destination extension 4 via the trunk switching network (TN) 3 based on the area code T3 and extension number E4 stored in the communication area (CA) 132. and connects with the calling extension 5.

[0008]

[Problems to be Solved by the Invention] As is clear from the above explanation, in a conventional private branch exchange, when extension 2 specifies extension 4 as the destination for incoming calls, private branch exchange 1
Since the area code T3 and extension number E4 for connecting from to extension 4 were registered in the forwarding number registration area NT in the forwarding destination registration area (TRT) 131, it is necessary to register them in the forwarding number registration area NT. The number of digits in the exponent number increases significantly compared to the extension number, and it becomes necessary to expand the storage area of the transfer destination registration area (TRT) 131, which poses a problem that reduces the economic efficiency of the private branch exchange 1.

An object of the present invention is to enable any subscriber to be registered as a call transfer destination without impairing the economic efficiency of the exchange.

0010

Means for Solving the Problems FIG. 1 is a diagram showing the principle of the present invention. In FIG. 1, 100 is an exchange to which the present invention is applied, 200 is a speed dial function provided in the exchange 100, 500 is a transfer source subscriber, and 600 is a call transfer destination.

Reference numeral 300 denotes a speed dial transfer destination registration means provided in the exchange 100 according to the present invention. 400 is a speed dial incoming call transfer means provided in the exchange 100 according to the present invention.

0012

[Operation] The speed dial transfer destination registration means 300 registers the telephone number of the call transfer destination 600 in advance as a speed dial code using the speed dial function 200, and transfers the registered speed dial code to the forwarding subscriber. 500 as the forwarding destination number.

[0013] When the call arrives at the forwarding subscriber 500 who is registered in the speed dial forwarding destination registration means 300, the speed dial incoming call transfer means 400 transfers the call based on the speed dial code registered in the speed dial forwarding destination registration means 300. , the call is forwarded to the incoming call forwarding destination 600 registered in the speed dial function 200.

[0014] Therefore, the number of digits of the transfer destination number registered in the speed dial transfer destination registration means is significantly reduced, and the economical efficiency of the exchange is greatly improved.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 is a diagram showing a private branch exchange according to an embodiment of the present invention, FIG. 3 is a diagram showing an example of the speed dial transfer destination registration process in FIG. 2, and FIG. 4 is a diagram showing the speed dial call transfer process in FIG. 2. It is a figure showing an example. Note that the same reference numerals indicate the same objects throughout the figures.

In FIG. 2, the exchange 10 in FIG.
The private branch exchange 1 is shown as 0, and the speed dial registration area (AD
T) 133 is provided in the main memory (MM) 13, and the speed dial transfer destination registration unit 123 is provided in the main controller (MM) 13 as the speed dial transfer destination registration means 300 in FIG.
U) 12, and also as the speed dial call transfer means 400 in FIG.
4 is provided in the main control unit (CPU) 12.

In FIGS. 2 to 4, a known speed dial registration operation is executed from the maintenance console (MC) 14 connected to the private branch exchange 1, and the speed dial code C is
4, and the area code T3 and extension number E4 for connecting to extension 4 from private branch exchange 1 via trunk switching network (TN) 3, the main memory (MM) In the abbreviated dial registration area (ADT) 133 provided in 13, the area code T3 and extension number E4 are registered in the area corresponding to the abbreviated dial code C4 (step S11 in FIG. 3).

In such a state, extension 2 accommodated in private branch exchange 1 makes a call to register extension 4 as a call forwarding destination, and calls the called extension using the special number ST for call forwarding registration and speed dialing. When the speed dial special number SA and the speed dial code C4 are dialed (step S12), the main controller (CP
U) 12 analyzes the numbers sent from extension 2 and calls the special number ST for call forwarding registration and the speed dial special number SA.
When identified (step S13), the speed dial transfer destination registration unit 123 is activated.

Activated speed dial transfer destination registration unit 12
3 obtains the logical extension number EL2 of the calling extension 2 (step S15), and stores the logical extension number E in the transfer destination registration area (TRT) 131 provided in the main memory (MM) 13.
Store the speed dial special number SA and speed dial code C4 dialed by the calling extension 2 in the forwarding destination number registration area NT corresponding to L2, and set the forwarding destination display IT in the same area to the speed dial forwarding destination registered AT. do(
Step S16).

If the special number other than the speed dial special number SA is identified in step S13, the main control unit (CPU) 12 executes registration processing for another service corresponding to the special number (step S14).

[0021] In this state, when another extension 5 accommodated in the private branch exchange 1 attempts to receive a call to extension 2, the main control unit (CPU) 12 obtains the logical extension number EL2 of extension 2 (step S21). , refers to the transfer destination registration area (TRT) 131 in the main memory (MM) 13, analyzes the transfer destination display IT corresponding to the logical extension number EL2 of extension 2 (step S22), and determines that the speed dial transfer destination has been registered. When it is determined that the AT is set (step S23), the speed dial call transfer section 124 is activated.

[0022] Activated speed dial call transfer section 124
is the logical extension number E of the forwarding destination registration area (TRT) 131.
Abbreviated dial special number SA and abbreviated dial code C4 registered in the transfer destination number registration area NT corresponding to L2 are extracted and stored in the communication area (CA) 132 corresponding to the incoming call from extension 5 to extension 2 (step S26).

Thereafter, the main control unit (CPU) 12 uses the speed dial special number SA stored in the communication area (CA) 132.
and the speed dial code C4 are analyzed again (step S27) and identified as the speed dial special number SA (step S28), and the speed dial registration area (ADT) 13 is identified.
3 is searched using the speed dial code C4, the registered area code T3 and extension number E4 are extracted, and the forwarding destination extension 4 is called via the trunk switching network (TN) 3.
A connection is made to the calling extension 5 (step S30).

[0024] In step S23, if the forwarding destination display IT is set to the forwarding unregistered state, normal extension call reception processing is executed using the dialed extension number E2 (step S24), and the forwarding destination display is If IT is set to transfer destination registered T, a conventional call transfer process is executed using the number registered in the transfer destination number registration area NT (step S25).

[0025] Also, in step S28), the number accumulated in the communication area (CA) 132 is the speed dial special number SA.
If not, conventional call processing is executed based on the numbers stored in the communication area (CA) 132.

As is clear from the above description, according to this embodiment, extension 4 registered in the abbreviated dial registration area (ADT) 133 is transferred to the transfer destination registration area (TRT) by the abbreviated dial special number SA and the abbreviated dial code C4. )131
area code T3 and extension number E.
Compared to the conventional private branch exchange 1 (FIG. 5) registered by 4, the number of digits in the forwarding destination number registration area NT has been significantly reduced to about the same as a general extension number E4, and the number of number digits in the forwarding destination registration area (TR
There is almost no need to expand the storage capacity of T) 131 compared to the case where only extension numbers are targeted.

It should be noted that FIG. 2 is only one embodiment of the present invention, and for example, the exchange 100 to which the present invention is applied is not limited to the private branch exchange 1 shown in the figure, and may include many other types. Although variations are considered, the effects of the present invention do not change in any case.

[0028]

As described above, according to the present invention, in the exchange, the number of digits of the transfer destination number registered in the abbreviated dial transfer destination registration means is significantly reduced, and the economical efficiency of the exchange is greatly improved.

[Brief explanation of the drawing]

[Figure 1] Diagram showing the principle of the present invention

[Fig. 2] A diagram showing a private branch exchange according to an embodiment of the present invention.

[Figure 3] Diagram showing an example of the speed dial transfer destination registration process in Figure 2

[Figure 4] A diagram showing an example of the speed dial call transfer processing process in Figure 2.

[Figure 5] Diagram showing an example of a conventional private branch exchange

[Explanation of symbols]

1 Private branch exchanges 2, 4, 5 Extensions 3 Trunk switching network (TN) 11 Network (NW) 12 Main controller (CPU) 13 Main memory (MM) 14 Maintenance console (MC) 100 Exchange 121 Transfer destination registration unit 122 Incoming call Transfer unit 123 Speed dial transfer destination registration unit 124 Speed dial call transfer unit 131 Transfer destination registration area (TRT) 132 Communication area (CA) 133 Speed dial registration area (ADT) 200
Speed dial function 300 Speed dial forwarding destination registration means 400 Speed dial call forwarding means 500 Transfer source subscriber 600 Call forwarding destination

Claims (1)

[Claims] 1. In an exchange (100) equipped with a speed dial function (200), a telephone number of a call forwarding destination (600) is registered in advance as a speed dial code by the speed dial function (200), and a speed dial forwarding destination registration means (300) for registering a registered speed dial code as a forwarding destination number for a transfer source subscriber (500); and the speed dial forwarding destination registration means (30).
0), when a call arrives at the forwarding subscriber (500) registered in the speed dial function (200) based on the speed dial code registered in the speed dial forwarding destination registration means (300). A call transfer registration system characterized by comprising a speed dial call transfer means (400) for transferring calls to a call transfer destination (600).