JPH0242851A - Line selecting device - Google Patents

Abstract

PURPOSE:To eliminate necessity to directly operate a rotation selecting device and to set a line selecting device separately from a telephone set by utilizing a dial signal from the telephone set, operating the line selecting device and selecting either a cable broadcasting telephone line or an analog telephone line. CONSTITUTION:When a calling signal comes from a cable broadcasting telephone line 1, an incoming detecting circuit 12 detects the incoming of the signal and an outgoing incoming control circuit 31 sends a signal to a channel control circuit 32. Then, a channel (g) is connected to an outgoing and calling circuit 11. When the circuit 32 detects the off-hook of the telephone set which is connected to a telephone set output line (c), the circuit 31 sends a signal to the circuit 11 and the line 1 is closed. Then, a channel is formed between the line 1 and output line (c). When a calling signal comes from an analog telephone network line 2, the incoming is detected by an incoming calling circuit 22 and the circuit 31 sends a signal to the circuit 32. Then, the channel (g) is connected to an outgoing and calling circuit 21. When the off-hook of the telephone set is detected by the circuit 32, a signal is sent to the circuit 31 and 32 and a channel is formed between the line 2 and output line (c).

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a line selection device, and more particularly to a line selection device for selecting between a cable broadcast telephone line and an analog telephone network line.

[Conventional technology]

Conventionally, this type of line selection device was installed on the side of a telephone set, and when making a call, the user operated a calling line selection switch provided in the line selection device to select the line to make the call.

[Problem to be solved by the invention]

With the conventional line selection device mentioned above, when making a call, you operate a line selection switch provided in the line selection device to select the line to make a call, so it is easy to operate when making a call. However, it has the disadvantage that it must be installed next to the telephone, and there are restrictions on where it can be installed.

[Means to solve the problem]

The line selection device of the present invention includes a first call circuit unit that forms a call and call path for a wired broadcast telephone line, a first call detection unit that detects a first incoming signal, and a first call circuit unit that forms a call path for a wired broadcast telephone line; a second call circuit unit that forms an outgoing and call path to an analog telephone network line; and a second call detection unit that detects a second incoming call signal. , further comprising: a first control section that controls the first and second incoming call detection sections of the wired broadcast telephone line and the analog telephone network line; and a second control section that controls the first and second call circuit sections. It has a control section, a line selection section that selects a line to make a call based on a dial signal from a connected telephone, and a ring tone sending section that sends a ring tone to the telephone.

〔Example〕

Next, the present invention will be explained with reference to the drawings.

FIG. 1 is a block diagram of a line selection device showing one embodiment of the present invention.

In FIG. 1, the line selection device 10 of the present embodiment includes a calling/calling circuit 11 on the wired broadcasting telephone line side that connects to the wired broadcasting telephone line 1 to form a calling and talking path, and a wired broadcasting telephone line that detects an incoming signal. An incoming call detection circuit 12 on the broadcast telephone line side, a broadcast receiving circuit 13 that receives broadcasts, and a calling/calling circuit 21 on the analog telephone network line side that connects to the analog telephone network line 2 to form a call and call path. An incoming call detection circuit 22 on the analog telephone network line side that detects an incoming signal, a call path control circuit 32 that controls the outgoing call circuit 11.21, and an outgoing/incoming call control circuit 31 that controls the incoming call detection circuit 12.22.
The line selection device 10 of this embodiment selects either the wired broadcast telephone line 1 or the analog telephone network line 2 via the call originating/receiving control circuit 31.
an outgoing line selection dial signal receiving circuit 33 that receives and selects a dial signal from a telephone (not shown) connected to the
and a ring sending circuit 34 that sends out a ring to the telephone set.
It is composed of:

Next, the operation of this embodiment will be explained.

Now, when a call signal comes from wired broadcast telephone line 1,
The incoming call detection circuit 12 on the cable broadcasting telephone line side detects the incoming call and sends an incoming call signal e to the outgoing/incoming call control circuit 31. The call control circuit 31 sends a call path control signal m to the call path control circuit 32, and sends the call path g to the call path control circuit 11 on the cable broadcast line side.
At the same time, a ring control signal k is sent to the ring sending circuit 34, and a ring signal ρ is sent to the telephone output line C.

When the call path control circuit 32 detects that a telephone (not shown) connected to the telephone output line C is off-hook, it sends a hook state signal n to the call control circuit 31. Call control circuit 3
1 sends a ring control signal k to the ring sending circuit 34 to stop the ring signal (and at the same time sends a line opening/closing signal f to the outgoing call circuit 11 on the wired broadcasting telephone line side to close the wired broadcasting telephone line 1, A communication path is formed between the broadcast telephone line 1 and the telephone output line C.

When the telephone goes on-hook, the communication path control circuit 32 releases the communication path g and at the same time sends an on-hook hook state signal n to the call control circuit 31.

The outgoing/receiving call control circuit 31 sends a line opening/closing signal f to the outgoing call circuit 11 on the cable broadcast telephone line side, thereby opening the cable broadcast telephone line 1.

Similarly, when a calling signal comes from the analog telephone network line 2, the incoming call detection path 22 on the analog telephone network line side detects the incoming call and sends the incoming call signal to the call originating/receiving control circuit 31. The call origination/reception control circuit 31 sends a communication path control signal m to the communication path control circuit 32, connects the communication path g to the transmission/speech circuit 21 on the analog telephone network line side, and at the same time sends a ring control signal k to the ring transmission circuit 34. The ring signal ρ is sent to the telephone output line C.

When the call path control circuit 32 detects that the telephone connected to the telephone output C is off-hook, it sends a hook state signal n to the call control circuit 31.

The outgoing/receiving control circuit 31 sends a ring control signal k to the ring sending circuit 34 to stop the ring signal ρ, and at the same time sends a line opening/closing signal i to the outgoing/talking circuit 21 on the analog telephone network line side to close the analog telephone network line 2. A communication path is formed between the analog telephone network line 2 and the telephone output line C.

When the telephone goes on-hook, the communication path control circuit 32 releases the communication path g and at the same time sends an on-hook hook status signal n to the call origination/reception control circuit 31.

The outgoing/receiving control circuit 31 sends a line opening/closing signal i to the outgoing/talking circuit 21 on the analog telephone network line side, thereby opening the analog telephone network line 2.

Next, when the telephone makes a call, the telephone connected to the telephone output line C first goes off-hook and then sends a line selection dialing signal before transmitting a destination dialing signal. Choose a line.

Now, if the telephone connected to the telephone output line C sends out a predetermined line selection dial signal for the wired broadcasting telephone line 1, the outgoing line selection dial signal receiving circuit 33 sends the outgoing/receiving control circuit 31 a line selection dial signal. Send signal j. The call control circuit 31 sends a line open/close signal f to the call circuit 11 on the cable broadcasting telephone line side to close the cable broadcast telephone line 1, and at the same time sends a call path control signal m to the call path control circuit 32 to initiate a call. The line g is connected to the outgoing call circuit 11 of the cable broadcast telephone line section, and a call path is formed on the cable broadcast telephone line 1 side.

Here, when the telephone connected to the telephone output line C sends out a destination dialing signal, the calling/talking circuit 11 on the cable broadcasting telephone line side converts it into a dialing signal suitable for the line and sends it to the cable broadcasting telephone line 1. Send.

When the telephone connected to the telephone output line C goes on-hook, the telephone furnace control circuit 32 sends a hook state signal n to the transmission control circuit 31 and at the same time releases the telephone line g. The outgoing call control circuit 31 is the outgoing call circuit 11 on the cable broadcast telephone line side.
The wired broadcasting telephone line 1 is opened by sending a line opening/closing signal f to .

Similarly, if the telephone connected to the telephone output line C sends out a predetermined line selection dial signal for the analog telephone network line 2, the calling line selection dial signal receiving circuit 33 sends the line to the calling/receiving control circuit 31. Send selection signal j. The outgoing/receiving control circuit 31 controls outgoing/receiving calls on the analog telephone network line side.
A line opening/closing signal i is sent to the telephone call circuit 21 to close the analog telephone network line 2, and at the same time, a telephone line control signal m is sent to the telephone line control circuit 32 to close the analog telephone network line 2.
Form on the side.

Here, when the telephone connected to the telephone output line C sends out a destination dialing signal, the calling/talking circuit 21 on the analog telephone network line side converts it into a dialing signal suitable for the line and sends it to the analog telephone network line 2. Send.

When the telephone connected to the telephone output line C goes on-hook, the communication path control circuit 32 sends a hook state signal n to the call origination/reception control circuit 31 and at the same time releases the communication path g. The outgoing/receiving control circuit 31 sends a line opening/closing signal i to the outgoing/talking circuit 21 on the analog telephone 114 line side to open the analog telephone network line 2.

Next, for example, when there is a broadcast from the wired broadcasting telephone line 1, the broadcast receiving circuit 13 receives the broadcast and transmits the broadcast to the external speaker output line d.

〔Effect of the invention〕

As explained above, the present invention uses a dial signal from a connected telephone when selecting a line to make a call, thereby eliminating the need to directly operate a line selection device with a line selection switch as in the past. Therefore, it has the effect of being able to be installed at a location away from the phone.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a line selection device showing one embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Cable broadcasting telephone line, 2... Analog telephone network line, 10... Line selection device, 11... Originating/talking circuit, 12... Incoming call detection circuit, 13... Broadcast receiving circuit , 21... Outgoing call circuit, 22... Incoming call detection circuit,
31... Call originating/receiving control circuit, 32... Call path control circuit, 33... Outgoing line selection dial signal receiving circuit, 34
...Ring sending circuit. C...Telephone output line, d...External speaker output line,
e... Incoming call signal, f... Line opening/closing signal, g... Call path, h... Incoming signal, i... Line opening/closing signal, j.
...Line selection signal, k...Ring control signal, ρ...
Ring signal, m...communication path control signal, n...hook status signal.

Claims (1)

[Claims] It has a first call circuit section that makes a call to a wired broadcast telephone line and forms a call path, a first incoming call detection section that detects a first incoming signal, and a receiving section that receives the wired broadcasting. , a second call circuit section that forms a call and call path for the analog telephone network line, and a second call detection section that detects a second call reception signal, and further includes a second call detection section that detects a second call reception signal, and further includes A first control unit that controls the first and second incoming call detection units of the analog telephone network line and a second control unit that controls the first and second call circuit units are connected. A line selection device comprising: a line selection section that selects a line to make a call based on a dial signal from a telephone; and a ring tone sending section that sends a ring tone to the telephone.