JPH0819044A - Automatic private branch exchange - Google Patents

Abstract

PURPOSE:To provide the automatic private branch exchange compatible with both a public and a private function having an absent transfer means or a control means conducting absence transfer easily to a mobile station of a personal handy phone system. CONSTITUTION:The exchange is made up of an office line trunk 31, a control means 30 controlling each block, a voice exchange means 32, a subscriber connection means 36 to which a called telephone set is connected, a radio subscriber connection means 32 to which a personal handy phone system station 35 is in radio connection, and a public network use mobile station number storage means 33 in which mobile station numbers used in the public network are registered for absent transfer. Thus, even when a mobile station of a called party is resident at the outside of the coverage zone of the private branch of exchange, the called party is easily called (absence-transferred) by using the public network.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wired / wireless public / private private branch exchange which enables absentee transfer and can be easily carried out by a simple button operation. .

[0002]

2. Description of the Related Art FIG. 5 is a block diagram of a conventional private automatic branch exchange. In FIG. 5, this private automatic branch exchange has a central office line trunk 1 for interfacing with a station, a control means 2 for controlling the entire apparatus, a voice exchange means 3 for exchanging voice, and an advance transfer for absentee transfer. Transfer destination number storage means 4 for registering a destination number, subscriber connection means 5 for interfacing with a wired telephone, wireless subscriber connection means 6 for interfacing with a simplified mobile mobile station, It is composed of a telephone 7 and a portable handheld mobile station (hereinafter referred to as a wireless telephone) 8 (on the called side). The operation will be described below.

First, the formation of a communication path for making and receiving calls will be described. In the conventional wired / wireless private branch exchange, when a caller receives an incoming call from the trunk line trunk 1, the incoming call information is sent to the control means 2. Further, the control means 2 is
Either the subscriber connection means 5 or the wireless subscriber connection means 6 is instructed to call the telephone among the telephone 7 and the wireless telephone 8, and the bell is rung. When the called party goes off-hook from the telephone, the control means 2 gives an instruction to seize the office line trunk 1, and the office line trunk 1 and the subscriber connection means 5 or the wireless subscriber connection means 6 are selected. By connecting the call path of the subscriber connection means 5 connected to the off-hook telephone with the voice exchange means 3, a voice call path between the calling party and the called party is formed, and the calling party and the called party are called. The call between the callers is established.

Next, an absentee transfer method will be described. For example, when the speaker using the called party's telephone 7 leaves the seat, if the absentee transfer special number and the transfer destination number are pressed on the telephone 7, the subscriber connection means 5 detects this fact and the control means 2 To notify. The control means 2 then transfers the destination number storage means 4
The transfer destination number is stored in. If there is an incoming call to the called party's telephone 7, the incoming call information is notified to the control means 2 as described in the call path forming process in the previous incoming call. When the control means 2 determines that the call is received at the telephone 7, it confirms that the telephone 7 is currently in the absentee transfer state, and the speaker of the telephone 7 has previously registered in the transfer destination number storage means 4 described above. You can refer to and search for the forwarding number and call the forwarding number.

[0005]

Therefore, in the above-mentioned conventional private automatic branch exchange, when the absentee transfer is performed in the telephone connected to the exchange, it is necessary to re-input the transfer destination number every time the transfer destination is changed. Yes, and in the wireless system, when the simplified portable mobile station leaves the wireless zone, in response to an incoming call to the simplified portable mobile station,
There was a problem that it was impossible to rescue the call.

Therefore, an object of the present invention is to provide a private automatic branch exchange capable of easily carrying out absentee transfer.

[0007]

To this end, the private automatic branch exchange of the present invention is provided with a storage means for public line mobile station numbers for registering simplified portable mobile station numbers for public lines in advance, When an incoming call arrives at the simplified portable mobile station registered in the storage means, the public line mobile station number storage means is referred to and the public line number of the simplified portable mobile station is referred to the simplified portable mobile station. Changed to send absentee transfer to the public network.

[0008]

With the above configuration, by registering the public line number of the simplified portable mobile station in advance, even when the simplified portable mobile station leaves the wireless zone, the call is automatically transferred. Moreover, it is possible to transfer the absentee with a simple operation system without re-registering the transfer destination number many times.

[0009]

Embodiments of the present invention will now be described with reference to the drawings. 1 is a block diagram of a communication system according to an embodiment of the present invention, FIG. 2 is a block diagram of the same private branch exchange, FIG. 3 is a flowchart for the absentee transfer processing, and FIG. 4 is another flowchart for the absentee transfer processing. is there. Figures 3 and 4
In the step, the step with the same number means that the same processing is performed.

FIG. 1 is a configuration diagram of a communication system according to an embodiment of the present invention. In the figure, arrow N indicates that the portable mobile station 20 moves. Also, in the figure, the solid line A represents a wired system, and the broken line B represents a wireless system.

FIG. 2 is a block diagram of a private automatic branch exchange according to an embodiment of the present invention. First, the call path formation and absentee transfer processing of the private branch exchange will be described with reference to FIGS. 1, 2, and 3. First, when the mobile station is registered in the main branch automatic exchange, the public line mobile station number of the mobile station is also registered in advance in the public line mobile station number storage means 33.
In the private automatic branch exchange, when an incoming call arrives from the caller through the office 23 to the trunk line trunk 31 of the private automatic branch exchange 22 (step 50 in FIG. 3, and arrows a and b in FIG. 1)
The incoming call information is sent to the control means 30. Further, when the mobile station exists within the wireless zone 26 of the main automatic branch exchange 22 (step 51), the control means 30 sends the mobile station to any of the wireless subscriber connection means 34 through the simple portable type. The mobile station 35 is instructed to call the mobile station,
Ring the bell of the mobile station (step 52, arrow c).
If the called party goes off-hook the mobile station (step 5)
7), the control means 30 gives an instruction to seize the station line trunk 31, and the station line trunk 31 and the wireless subscriber connection means 34 are connected to the wireless subscriber connection means 34 connected to the off-hook mobile station. By connecting the call path of the above with the voice exchange means 32, a voice call path between the calling party and the called party is formed, and a call between the calling party and the called party is established (step 58). The call path formation in the wired system is as described in the conventional example.

If the simplified portable mobile station 20 in the wireless zone 25 of the public base station is in the wireless zone 2 of the main branch automatic exchange.
When the vehicle exists outside the six areas (step 51), the control means 30
Refers to and retrieves the public line mobile station number storage means 33 (step 53), and through the station 23, the public base station 21 in which the portable mobile station 20 currently exists is sent to the portable mobile station 20. To (Steps 54, 5
5, arrows d, e). Upon receiving the incoming call, the public base station 21 notifies the simplified portable mobile station 20 of the incoming call (step 56, arrow f). When the mobile station goes off-hook (step 57), a communication path with the public base station is formed, and communication becomes possible (step 58).

Next, the absentee transfer processing by operating a specific button will be described with reference to FIGS. 1, 2 and 4. When the simplified portable mobile station 20 located in the wireless zone 26 of the private branch exchange 22 performs a simple special number operation to the private branch exchange 22 to transfer an absentee to the private branch exchange of the above configuration, The automatic exchange 22 is a simple portable mobile station 20.
Is set to the absentee transfer mode. After the setting, the simplified portable mobile station 20 in the wireless zone 26 of the private automatic exchange 22 leaves the wireless zone 26 of the private automatic exchange 22,
When moving to the wireless zone 25 of the public base station 21 and receiving an incoming call at the simplified portable mobile station 20, the private automatic branch exchange 22 determines that there is an absentee transfer setting from the simplified portable mobile station 20 (step 60). ), Confirming that the simplified portable mobile station 20 is set for the absentee transfer setting, and refers to and retrieves the public line mobile station number storage means 33 (step 53). Transfer processing is performed. If the absentee transfer setting is not made by the portable mobile station 20 (step 60), the private branch exchange 22 is operated as described above.
(Step 51), the same processing is performed thereafter.

[0014]

As described above, the present invention focuses on a private automatic exchange having both public and private functions, and by providing a storage means for a public line mobile station number, a portable mobile station can be used as a private automatic exchange. Even if the user leaves the wireless zone, the absentee transfer function can be realized and the call can be relieved. Further, unlike a wired telephone, it is not necessary to register the transfer destination number many times each time the transfer destination changes, and absentee transfer settings can be set by a simple button operation.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a communication system according to an embodiment of the present invention.

FIG. 2 is a block diagram of an automatic private branch exchange according to an embodiment of the present invention.

FIG. 3 is a flowchart relating to absentee transfer processing according to an embodiment of the present invention.

FIG. 4 is another flowchart relating to absentee transfer processing according to an embodiment of the present invention.

FIG. 5 is a block diagram of a conventional private branch exchange.

[Explanation of symbols]

 20 Portable Mobile Station 22 Private Automatic Switch 25 Public Base Station Wireless Zone 26 Private Automatic Switch Wireless Zone 30 Control Means 31 Line Trunk 32 Voice Exchange 33 Public Line Mobile Station Number Storage 34 Radio Subscriber Connection Means 35 Simple mobile mobile station 36 Subscriber connection means 37 Wired telephone

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location H04Q 3/58 101

Claims (2)

[Claims] Claim: What is claimed is: 1. In a private automatic branch exchange, which has at least one or more wireless zones and is compatible with both public and private functions, a voice exchange means for exchanging voice and a station line trunk for interfacing with the station. A wireless subscriber connection means for communicating with the simplified portable mobile station on the called side,
Subscriber connection means for communicating with a wired telephone, public line mobile station number storage means for registering a simplified portable mobile station number for the public line in advance, and registration means stored in the storage means. When there is an incoming call to the simplified mobile mobile station, the public line number of the simplified mobile mobile station is referred from the storage means, and the absentee transfer is transmitted to the public network to the simplified mobile mobile station. An automatic private branch exchange equipped with control means for controlling a trunk line trunk. 2. The control unit registers the public line mobile station number of its own mobile station in the storage means in advance, and when it receives a setting signal for absentee transfer from the simplified portable mobile station, the controller transmits to the simplified portable mobile station. 2. The private automatic branch exchange according to claim 1, wherein the private automatic branch exchange refers to the registered public line mobile station number and controls the absentee transfer / transmission to the public network even when there is an incoming call.