JP2847544B2 - Home equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Overview] A call waiting function in an in-home device connected to a comprehensive service digital communication network via a subscriber line having a plurality of communication channels, and a response rejection notification function when a call cannot be answered during communication Regarding the above, even if the subscriber can freely use the call waiting service regardless of the service provision state of the integrated services digital communication network, and the subscriber cannot answer the incoming call during communication, A communication call connected to an exchange via a subscriber line having a plurality of communication channels and intended for a terminal to communicate at an early stage without being mistakenly recognized as being absent. In the home device that performs the control of the above, the terminal that is communicating through one communication channel is transmitted through another communication channel. If Do you an incoming call, and notifies the new call to the terminal, when the terminal is a response operation with respect to the new incoming call pending calls currently communicating,
A communication incoming call means for connecting a new incoming call to the terminal via the other communication channel; and so that the terminal can send a response impossibility to the new incoming call from the exchange for rejecting a response to the new incoming call. And a response rejection notifying means for returning a response message to the exchange via the another communication channel when the response rejection operation is performed.

[Industrial applications]

The present invention relates to a call waiting function in an in-home device connected to a comprehensive service digital communication network via a subscriber line having a plurality of communication channels, and a response rejection notification function when a call cannot be answered during communication.

A so-called basic interface having two sets of communication channels and one set of control channels as a standard interface of in-home equipment accommodated in an integrated services digital communication network (ISDN) has been proposed by the International Telegraph and Telephone Consultative Committee. (CCITT).

On the other hand, a so-called call that notifies a communicating subscriber that a new call has arrived, and temporarily suspends the communicating call and responds to the new incoming call by operating the receiving subscriber during the communication. Waiting services are in practical use.

[Conventional technology]

FIG. 4 is a diagram showing an example of a conventional call waiting method.

In FIG. 4, an automatic exchange 1 provides a call waiting service to a subscriber 2 who has made a contract to use the call waiting service.

In a central processing unit (CP) 12 of the automatic exchange 1, a call waiting control unit (CW) 121 for providing a call waiting service to the subscriber 2 and a subscriber (for example, 2 −
There is provided a call waiting registration unit 122 for registering and placing the call waiting registration information cw corresponding to 2).

Now, subscribers 2-1 and 2-2 accommodated in automatic exchange 1
While the other subscribers 2 accommodated in the automatic exchange 1
-3 receives a call from the subscriber 2-2, the automatic exchange 1
The central processing unit (CP) 12 refers to the call waiting registration unit 122 provided in the central processing unit (CP) 12, and the call waiting registration information cw is associated with the called subscriber 2-2. When the registration is detected, the call waiting control unit (CW) 121 is activated.

Activated call waiting control unit (CW) 121
Notifies the calling subscriber 2-2 of the arrival of a new call by a known method, and returns the calling subscriber 2-3 to the calling subscriber 2-3 by returning a ringing tone, for example. It notifies that the call subscriber 2-2 is being called.

When the subscriber 2-2 notified of the incoming call during the communication performs a predetermined operation (for example, hooking) to answer the incoming call during the communication, the call waiting detecting the operation of the subscriber 2-2 is performed. The control unit (CW) 121 communicates with a subscriber 2-1 set in the network (NW) 11.
pending p _1, sends back the holding tone to the subscriber 2-1, to set the communication path p ₂ to the network (NW) 11, the subscriber 2-3 subscriber 2-2 Respond.

If the subscriber 2-2 cannot interrupt the communication with the subscriber 2-1 and does not respond to the subscriber 2-3, the subscriber 2-3 becomes the called subscriber 2-2. Since no response can be obtained by any time in a state in which is called, the called subscriber 2-2 is determined to be absent, and the call to the subscriber 2-2 is abandoned.

If the called subscriber 2-2 is communicating, the subscriber 2-3 waits for the end of the communication and re-subscribes the subscriber 2-3.
If the called party 2-2 is absent and it is not known when to return, the call to the subscriber 2-2 is suspended for the time being.

Therefore, the subscriber 2-2 may not be able to respond to the communication request from the subscriber 2-3.

[Problems to be solved by the invention]

As is clear from the above description, in the conventional call waiting system, in order for the subscriber to use the call waiting service, the accommodated automatic exchange 1
Is provided with a call waiting control unit (CW) 121 and a call waiting registration unit 122 so that a call waiting service can be provided to an accommodating subscriber and a subscriber 2-2 who desires to use the call waiting service is provided.
Needs to conclude a contract for using the call waiting service with the service provider, that is, the operator of the automatic exchange 1, and to have the call waiting registration unit 122 register the call waiting registration information cw.
It was impossible to use the call waiting service in the presence of the two.

If the called subscriber 2-2 cannot answer the incoming call during communication, the calling subscriber 2-3 mistakenly identifies the called subscriber 2-2 as being absent and, for the time being, establishes contact with the subscriber 2-2. There was a risk of forgotten communication.

The present invention relates to an integrated service digital communication network,
The subscriber can freely use the call waiting service irrespective of the service provision state of the integrated service digital communication network, and even if the subscriber cannot answer the incoming call during communication, the subscriber can be called by the calling subscriber. It is an object of the present invention to achieve communication at an early stage without causing a person to be mistakenly absent.

[Means for solving the problem]

According to the present invention, there is provided an in-home device which is connected to a switchboard through a subscriber line having a plurality of communication channels as shown in the principle drawing of FIG. 1 and controls a terminal for a communication call through each communication channel. When there is a new incoming call through another communication channel to the terminal communicating through one communication channel, the terminal notifies the terminal of the new incoming call, and the terminal performs a response operation to the new incoming call. Hold the currently active call,
A communication incoming call means for connecting a new incoming call to the terminal via the other communication channel; and so that the terminal can send a response impossibility to the new incoming call from the exchange for rejecting a response to the new incoming call. And a response rejection notifying means for returning a response message to the exchange via the another communication channel when the response rejection operation is performed.

[Action]

The in-communication terminating means 300 is used when the in-home device 200 receives a call via the other communication channel (eg, B ₂ ) while communicating via _one communication channel (eg, B ₁ ).
By performing a predetermined response operation for responding to the incoming call during communication, the 200 users place the call being communicated via _one communication channel (B _{1 in the} previous example) on hold and put the other communication channel ( in the previous example and responsive to incoming calls going through the B _2).

The response rejection notifying means 400, when the home device 200 receives a call via the other communication channel (for example, B ₂ ) while communicating via _one communication channel (for example, B ₁ ), The user performs a predetermined response rejection operation of rejecting the response to the incoming call during communication, thereby notifying that the incoming call via the other communication channel (B _{2 in the} previous example) cannot be answered.

Therefore, by providing the receiving means during communication in the home device, the subscriber can freely use the call waiting service regardless of the service providing state of the integrated service digital communication network, and the response rejection notification means is provided in the home device. As a result, even if the called subscriber cannot answer the incoming call during communication, the calling subscriber is prevented from misidentifying the called subscriber as being absent, and the communication purpose may be achieved earlier. And the convenience of the service integrated digital communication network is improved.

〔Example〕

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Second
FIG. 3 is a diagram showing a communication incoming call rejection notifying method according to an embodiment of the present invention, and FIG. 3 is a diagram exemplifying a communication incoming call rejection notifying process in FIG. The same reference numerals indicate the same objects throughout the drawings.

2, the ISDN exchange 3 is shown as the integrated service digital communication network 100 in FIG. 1, and the terminal adapter 5 is shown as the home device 200 in FIG.
And a terminal device 6-1. A simple switch 51, a signal source 5
3. An indicator light (L) 54 and a call waiting service activation key (K) 55-1 are provided in the terminal adapter 5, and a switch control unit 524, an input / output control unit 525, and an incoming call control unit 526 are interface-converted. A response rejection notification key (K) 55-2 and a response rejection notification unit 56 are provided in the terminal adapter 5 as the response rejection notification means 400 in FIG. Are provided in the interface conversion unit 52.

Terminal adapter 5, the subscriber line comprising the two sets of communication channels B ₁ and B _2, and a set of control channel D 7
And is accommodated in the ISDN exchange 3 via a so-called basic interface with the ISDN exchange 3.

In FIGS. 2 and 3, when the user of the terminal device 6-1 desires to use the call waiting service, the call waiting service activation key (K) 55-1 is set to the operation state and set. .

In this state, the terminal device 6-1 via the communication channel B _1, subscriber 4-1 accommodated in the ISDN exchange 3
And a communicating, ISND exchange 3 the call reference number CR ₁ assigned to calls going through the communication channel B _1, also the communication channel B ₂ is referred to as being unused.

In such a case, in the terminal adapter 5, the switch control unit 524 in the interface conversion unit 52 sets a communication path q ₁ in the simple switch 51, the terminal device 6-1 BO
Through RSCHT portion 521 is connected to the communication channel B ₁ (FIG. 3 (a)).

In this state, the other subscribers 4-2 accommodated in the ISDN exchange 3 (subscriber number DN _42), when the call arrives to the terminal device 6-1, ISDN exchange 3 called terminal device 6-1
Capturing a communication channel B ₂ in the idle state leading to, grants call reference number CR _2, the terminal adapter 5 via the control channel D, and transmits a call setup message SETUP (CR ₂₎ (Figure 3 (B)).

In the terminal adapter 5, the protocol analysis and exchange unit 523 in the interface conversion unit 52 transmits the call setup message SETUP (CR ₂ ) transmitted via the control channel D.
When the terminal device 6-1 receives the message, it analyzes the idle / busy state of the terminal device 6-1.
The state of the call waiting service activation key (K) 55-1 is analyzed via 525, and when it is determined that the call waiting service activation key (K) 55-1 has been set to the operation state, the communication incoming call control unit 526 is activated.

The activated incoming call receiving control unit 526 includes an input / output control unit 525.
The indicator lamp (L) 54 flashes via the terminal to notify the user of the terminal device 6-1 that a new call (an incoming call during communication) has been received, and the ISDN exchange 3 via the control channel D.
Then, a calling message ALERT (CR ₂ ) is returned (FIG. 3 (c)).

When the user who has noticed the blinking of the indicator light (L) 54 performs a predetermined operation to answer the incoming call during communication, for example, a hooking operation at the terminal device 6-1, the incoming call control unit 526 during communication will , BORSCHT section 521 and BORSCHT control section 52
2. The hooking operation of the terminal device 6-1 is detected through 2
Controls the switch controller 524, and temporarily releasing the communication channel q ₁ already set in the simple switch 51 to set a communication path q _2, a melody indicating the pending signal source 53 is generated, the communication channel B ₁ and via the ISDN exchange 3 is returned to the subscriber 4-1, dissipate further connects the communication path q ₃ set the communication channel B ₂ and the terminal device 6-1 in the simple switch 51,
A response message CONNECT (CR ₂ ) is returned to the ISDN exchange 3 via the control channel D.

ISDN exchange 3 receiving response message CONNECT (CR ₂ ) connects subscriber 4-2 to communication channel B ₂ .

Terminal 6-1 by the above, the communication channel B ₂ and
It becomes possible to respond to the subscriber 4-2 via the ISDN exchange 3. Meanwhile subscriber 4-1, listens to the melody to indicate the hold state returned over the communications channel B ₁ and ISDN switch 3 from the signal source 53 to乍Ra waits (FIG. 3 (d)).

Terminal device 6-1 that has responded to subscriber 4-2
When the user performs a predetermined operation for repetitive response, for example, a hooking operation in the terminal device 6-1 in order to resume communication with the subscriber 4-1 again, the incoming call control unit 526 during communication , BORSCHT section 521 and BORSCHT control section 522
Through detecting the hooking operation of the terminal device 6-1, and controls the switch controller 524, and temporarily releasing the configured channel q ₃ in the simple switch 51 to set a communication path q _4, the signal source a melody to indicate the hold state 53 occurs, communicate via channels B ₂ and ISDN switch 3 is returned to the subscriber 4-2, to further re-set the communication path q ₁ into a simple switch 51.

Terminal 6-1 by the above, the communication channel B ₁ and
The communication with the subscriber 4-1 can be resumed via the ISDN exchange 3. Meanwhile subscriber 4-2, listens to the melody to indicate the hold state returned over the communications channel B ₂ and ISDN switch 3 from the signal source 53 to乍Ra waits (FIG. 3 (e)).

If the user who notices the blinking of the indicator lamp (L) 54 cannot interrupt the communication with the subscriber 4-1 and cannot answer the incoming call during communication, the response rejection notification key (K) 55- 2 is operated (FIG. 3 (f)).

In the terminal adapter 5, an incoming call control unit during communication is provided.
526 is a response rejection notification key (K) via the input / output control unit 525
When the operation 55-2 is detected, the response rejection control unit 527 is activated.

The activated response rejection control unit 527 is activated by the switch control unit 524.
Controls, sets a communication path q ₅ in a simple switch 51, will not let go hand in the message (e.g., "now the communication for notifying a response reject the response rejection notification unit 56 occurs, put you After a while the re Please "), causes back to the communication channel B _2, the ISDN exchange 3 via the control channel D, and returns a response message CONNECT (CR _2).

Upon receiving the response message CONNECT (CR ₂ ), the ISDN exchange 3 finally forms a communication channel B ₂ for the subscriber 4-2, and the terminal 6-1 cannot respond to the subscriber 4-2. Is sent.

That subscriber 4-2, listens to the message for notifying Disturb returned over the communications channel B ₂ and ISDN switch 3 from the response rejection notification unit 56, during which the terminal device 6 to
1, via a communication channel B ₁ and ISDN exchange 3 continues the communication with the subscriber 4-1 (FIG. 3 (g)).

The subscriber 4-2 that has heard the response rejection notification message,
The user of the terminal device 6-1 recognizes that it is currently unable to answer during communication, disconnects the call once, waits for the end of the communication, and tries to call the terminal device 6-1 again.

On the other hand, when the user of the terminal device 6-1 does not desire to use the call waiting service, the call waiting service activation key (K) 55-1 is set to the recovery state, and the terminal device 6-1 is set in the restored state. During communication with the subscriber 4-1, when a call is further received from the subscriber 4-2, the protocol analysis and conversion unit 523 analyzes the state of the call waiting service activation key (K) 55-1 and outputs the call waiting service activation key. (K) If it is determined that 55-1 is set to the recovery state, the disconnection message DISC is returned to the ISDN exchange 3 via the control channel D without activating the communication termination control unit 526.

The ISDN exchange 3 that has received the disconnection message DISC notifies the subscriber 4-2 to the terminal device 6-1 that the call cannot be set up by a known procedure.

As is apparent from the above description, according to the present embodiment, the simple switch 51, the signal sound source 53,
Indicator light (L) 54, call waiting service activation key (K) 55-1, switch control unit 524, input / output control unit 525
Also, by providing the incoming call control unit 526 during communication, a call waiting service can be freely provided to the terminal device 6-1. Further, a response rejection notification key (K) 55-2 and a response rejection notification are provided in the terminal adapter 5. By providing the unit 56 and the response rejection control unit 527, even if it is not possible to respond to the incoming call during communication by the call waiting service, it becomes possible to communicate with the caller of the incoming call during communication by calling again after a while. It becomes possible to make them recognize.

2 and 3 are merely an embodiment of the present invention. For example, the response rejection notifying means 400 is for requesting the calling subscriber 4-2 of an incoming call during communication to call back. There is no limitation. As soon as the terminal device 6-1 becomes communicable, a call is made to the subscriber 4-2.
It requests the forwarding of the subscriber number DN ₄₂ to 2, or to record the subscriber number DN ₄₂ that is transferred, or after completion of communication with the subscriber 4-1, automatically call setup message to the subscriber 4-2
Many other variations are considered, such as sending SETUP (DN ₄₂ ) to the ISDN exchange 3, but the effect of the present invention does not change in any case. Further, the communication incoming means 300 and the response rejection notifying means 400 are not limited to those provided in the terminal adapter 5, but may be provided in a terminal device directly connectable to the subscriber line 7 or in a private branch exchange. However, the effects of the present invention do not change in any case.

〔The invention's effect〕

As described above, according to the present invention, by providing the in-home device with the receiving means during communication in the home device, the subscriber can freely use the call waiting service regardless of the service provision state of the integrated service digital communication network. In addition, by providing a response rejection notification means in the home device, even if the called subscriber cannot answer the incoming call during communication, the calling subscriber is prevented from erroneously recognizing the called subscriber as being absent. As a result, the possibility of achieving the communication purpose early is increased, and the convenience of the integrated service digital communication network is improved.

[Brief description of the drawings]

FIG. 1 is a diagram showing the principle of the present invention, FIG. 2 is a diagram showing an incoming call response rejection notification method during communication according to an embodiment of the present invention, FIG.
FIG. 2 is a diagram illustrating an example of a communication incoming call rejection notifying process in FIG. 2, and FIG. 4 is a diagram illustrating an example of a conventional call waiting method. In the figure, 1 is an automatic exchange, 2-1 to 2-3, 4-
1 and 4-2 are subscribers, 3 is an ISDN exchange, 5 is a terminal adapter, 6-1 is a terminal device, 7 is a subscriber line, 11 is a network (NW), 12 is a central processing unit (CP), 51 Is a simple switch, 52 is an interface converter, 53 is a signal source, 54 is an indicator light (L), 55-1 is a call waiting service activation key (K), 55-2 is a response rejection notification key (K), 56 is Response rejection notification unit, 100 is an integrated services digital communication network, 121 is a call waiting control unit (C
W), 122 is a call waiting registration unit, 200 is a home device, 300 is a receiving means during communication, 400 is a response rejection notifying means, 52
1 denotes a BORSCHT unit, 522 denotes a BORSCHT control unit, 523 denotes a protocol analysis and conversion unit, 524 denotes a switch control unit, 525 denotes an input / output control unit, 526 denotes a communication incoming call control unit, and 527 denotes a response rejection control unit.

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-64-71265 (JP, A) JP-A-63-70648 (JP, A) JP-A-63-128853 (JP, A) JP-A-1- 190057 (JP, A) JP-A-2-92061 (JP, A) JP-A-2-15770 (JP, A) JP-A-2-51448 (JP, U) (58) Fields investigated (Int. Cl. ^6, DB name) H04M 1/00 H04M 3/42 - 3/58 H04M 11/00 - 11/10

Claims (1)

(57) [Claims] 1. An in-home device connected to an exchange via a subscriber line having a plurality of communication channels and controlling a terminal for a communication call through each communication channel, wherein said home device communicates through one communication channel. If the terminal receives a new incoming call through another communication channel, the terminal notifies the terminal of the new incoming call, and when the terminal performs a response operation to the new incoming call, suspends the call currently being communicated, and A communication incoming call means for connecting a new incoming call to the terminal via the communication channel of the following; and a response so that the terminal can send a response impossible to the new incoming call from the exchange for rejecting a response to the new incoming call. A response rejection notification means for returning a response message to the exchange via the other communication channel when the rejection operation is performed.