JPS6167392A - Ring controller of key telephone set - Google Patents

Abstract

PURPOSE:To attain incoming ringing to a transfer destination telephone set where ringing to a specific telephone set is all designated by providing an absence transfer control method storage device designating a telephone set cable accommodating plural telephone sets. CONSTITUTION:When key telephone sets 11, 12, 13... set absence transfer, an absence transfer control method storage device 26 stores whether transfer of ring tone to trunk line incoming is executed or not. Suppose that incoming ring tone is set by the telephone set 11 to a trunk line 61 and by the telephone sets 12, 13 to a trunk line 62. When the telephone set 11 applies absence transfer setting to the telephone set 12, this information is stored in the absence transfer setting destination storage device 5. When an incoming call comes to the trunk line 61 in this state and the absence transfer control method of the telephone set 11 transfers also the trunk line incoming ring, the device 26 does not apply the trunk line incoming ring to the telephone set 11 but to the telephone set 12.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a ring control device used in a button telephone/stem or a button telephone connected to an electronic exchange/stem.

1. Construction of a conventional example and its problems FIG. 1 illustrates a conventional ringing control device for a key telephone. This conventional example will be explained below with reference to FIG. In Figure 1, 11°12.13...
... is a button telephone, 21, 22.23... is a central office line interface, and 3 is a button telephone 11.1'2.
13 between each other or key telephone 11゜12.13 and central office line 6
1.62 and 63. 4 is the central control unit, which has a button telephone TS11112P13.
...Station line interface 21, 22, 23...
. . . It monitors and controls the state of the communication path network 3. 5
is a call forwarding setting destination storage device that stores the call forwarding settings of each button telephone 11, 12, 13, . . . .

Next, the operation of the above conventional example will be explained. In FIG. 1, each key telephone 11, 12, 13, . . . is set to ring in response to an incoming call on each central office line 61, 62, 63, . For example, the button telephone 11 is set to ring for incoming calls on the central office lines 61 and 62.
Assuming that the button telephones 12, 13 are set to ring when a call arrives on the central office line 63, the button telephone 11 will ring when there is an incoming call on the central office line 61, 62. Further, when there is an incoming call on the central office line 63, the key telephones 12 and 13 ring. Furthermore, it is also possible to connect the key telephones 11, 12, 13 to each other by dialing. When the call forwarding setting is made using the button telephone 11 with the call forwarding destination set to the button telephone 12, this setting information is stored in the call forwarding setting optical storage device 5. Thereafter, when the key telephone 11 receives a call from another key telephone, the central control unit 4 checks the contents of the call forwarding setting optical storage device 5 and transfers the call to the key telephone 12.

However, in the conventional example described above, only call forwarding for incoming calls on extension lines can be set, so there is no change in the ringing of the central office line. For this reason, even if call forwarding is set, the phone that rings when receiving a call from a central office line does not change.
One drawback was that the telephone would ring even when no one was near the telephone.

OBJECTS OF THE INVENTION The present invention eliminates the drawbacks of the above-mentioned conventional examples, and has the following features:
The purpose of this system is to transfer the ringing of incoming calls from multiple telephones that have been set with the same ring designation that form a phone or a group to other phones or multiple phones that form a group, by setting call forwarding on the phone. be.

Structure of the Invention The present invention provides a button telephone that has a function of ringing in response to multiple incoming calls on a central office line, and a missed call forwarding function that has a missed call forwarding function that can transfer incoming extension calls to this button telephone to another key telephone. You can specify the setting optical storage device and whether the effective range of call forwarding is to include only internal lines or central office lines.In the case of central line call forwarding, it can be set to only the telephone that has call forwarding set or not. A button telephone comprising a call forwarding control method and a memory device which can specify whether all telephones belong to a group to which a telephone belongs and can specify not only a specific telephone but also a telephone group consisting of a plurality of telephones as a call forwarding destination. This is a ring control device that can realize more effective telephone exchanges.

DESCRIPTION OF EMBODIMENTS The present invention will be described below with reference to FIG. 2, which shows one embodiment thereof. In Figure 2, 11, 12, 13...
- is a button telephone, 21, 22, 23... is a central office line interface, 3 is a button telephone 11', 12゜13
between each other or key telephones 11, 12, 13 and the central office line 61,
62 and 63. 4 is a central control unit, and button telephones 11, 12, 13, . . .
・・2 station line interface 21゜22.23・・・・
- Switching processing is realized by monitoring and controlling the state of the communication path network 3. 5, each button telephone 11.12
．． 13... is a missed call forwarding setting optical storage device that stores the missed forwarding setting light. 26 is each button telephone 1
1, 12, 13, . . . This is a missed call transfer control method storage device that stores whether or not to also perform ringing transfer for incoming calls on the central office line when the missed call transfer setting is made in steps 1, 12, 13, . . . .

Next, the operation of the above embodiment will be explained. In FIG. 2, it is assumed that key telephone 11 is set to ring for incoming calls on central line 61, and button telephones 12 and 13 are set for incoming call ringing on central line 62. When the key telephone 11 sets the call forwarding setting for the key telephone 12, this information is stored in the call forwarding setting optical storage device 5. In this state, if there is an incoming call on the central office line 61 and the call forwarding control method of the button telephone 11 is to also forward the call ringing, the button telephone 1
In case 1, the key telephone 12 does not ring the central office, but the key telephone 12 rings the central office.

In this embodiment, it is also possible to transfer a call when a call is ringing, so it is possible to eliminate the waste of a telephone ringing when a person is not nearby, and it is possible to have a telephone ring when a person is nearby. This enables efficient telephone exchange.

In addition to the above-mentioned embodiments, whether or not to transfer call calls can be specified when configuring call forwarding settings. It is also possible to set a missed call forwarding control method that implements call forwarding at the station.

Effects of the Invention As is clear from the above embodiments, the ringing control device for a button telephone according to the present invention provides the following effects.

(a) All ringing of a specific telephone can be made to ring the designated forwarding destination telephone, creating a quiet environment where telephones placed in front of people who are away from their seats do not ring unnecessarily. can be created.

(b) Call forwarding can be set for a group of telephones, so even if the entire group moves to the conference room for reasons such as a group meeting, incoming calls for the group can be answered in the conference room, increasing efficiency. A good telephone exchange can be realized.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a conventional ringing control device for a button telephone, and FIG. 2 is a block diagram of a ringing control device for a button telephone according to an embodiment of the present invention. 11.12.13...Button telephone, 21,22
゜23... Office line interface, 3... Mountain/call network, 4... Central control unit, 5... Call forwarding setting optical storage device, 26... - Absence transfer control method storage device, 61°62.63...Station line.

Claims (1)

[Claims] a key telephone having a function of ringing in response to a plurality of incoming calls on a central office line; a missed call forwarding setting storage device having a missed call forwarding function capable of forwarding incoming extension calls to the key telephone to another key telephone; You can specify whether the effective range of forwarding is to include only internal lines or to include central office lines.In the case of central line call forwarding, it can be applied to only the phone that has the call forwarding setting, or to all groups to which the phone that has the call forwarding setting belongs. This ring control device for a button telephone includes a call transfer control method storage device which can specify not only a specific telephone but also a telephone group consisting of a plurality of telephones as a call transfer destination.