JPS63287288A - Extension telephone exchange system - Google Patents

Abstract

PURPOSE:To prevent displeasant sense from being given to a person at an external line by sending a signal having a melody tone to a telephone set of a connection sender till an external telephone set and an extension telephone set or the like are connected. CONSTITUTION:A total representative telephone set of a telephone line network 3 in a prescribed company through an exchange 2 by external telephone sets 11,-1n is called. In this case, the external telephone set 1 and a designated extension telephone set 3 are enabled for communication and till a signal of melody tone is sent till a prescribed operation such as hooking for a number of prescribed times is applied to designated extension telephone set 3 to the external telephone set 1. Thus, even when the external telephone set and the extension telephone set are in the communication state, a melody tone corresponding to 'waiting' is sent to the external telephone set to attain smooth communication.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an extension telephone switching system for connecting an extension telephone designated by an extension telephone and a telephone line between the extension telephone and the extension telephone.

[Conventional Example] Conventionally, in this type of extension telephone switching system, the telephone line connection between an outside telephone and an extension telephone A called by the outside telephone is performed in accordance with the following steps.

(1) A major representative telephone within a predetermined company is called using an outside line telephone, a telephone line is connected to the major representative telephone, and a call is made with the switchboard within that company.

(2) The switchboard operator operates the internal telephone exchange equipment in the company, etc., and the external telephone is put on hold.

A melody sound signal meaning "waiting" is transmitted to the outside telephone, and the designated extension telephone A is called by the outside telephone, and the telephone line between the extension telephone A and the outside telephone is connected.

Transmission of the melody sound meaning "wait" is stopped.

(3) Then, the outside line telephone and extension telephone A are put into a conversation state.

Here, if you try to connect the telephone line between the external telephone and internal telephone B at extension telephone A, (4) The external telephone in use at extension telephone A will be put on hold, and the operator will A call is made between the telephone and the telephone, and at this time a melody sound signal indicating "waiting" is sent to the outside line telephone.

(5) the extension telephone exchange equipment is operated by the operator;
Extension telephone B specified by extension telephone A is called, and the telephone line with extension telephone B is connected.

(6) Then, the outside line telephone and its extension telephone B are put into a conversation state, and at this time, the transmission of the melody sound meaning "waiting" is stopped.

In this way, the telephone line between the outside line telephone and the extension telephone within a predetermined company or the like is connected, making it possible to make a telephone call.

[Problems to be Solved by the Invention] By the way, in the above extension telephone switching system, between the above steps (2) and (3), the outside line telephone and the extension telephone A are
When connected, the melody sound that means "waiting" will no longer be transmitted. Therefore, from the time the call is established until the person making the request from the outside line telephone answers the extension telephone A, the outside telephone is answered in silence, which is not favorable for the caller using the outside telephone. Furthermore, if a third party is on the phone at extension A, there is the inconvenience of having to inform the operator of the requesting person again. Further, the same problem as described above occurs when the outside line telephone is connected to the extension telephone B from the hold state between steps (5) and (6).

This invention was made in view of the above-mentioned problems, and its purpose is to be able to send a melody sound corresponding to "wait" to the outside line phone even when the outside line phone and the extension phone are in a talking state, so that it can be smoothly transmitted. An object of the present invention is to provide an extension telephone switching system that allows for easy telephone calls.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides an extension telephone switching system for connecting a designated extension telephone designated by an external telephone and a telephone line between the external telephone, When the outside line telephone and the designated extension telephone are in a talkable state, a melody sound signal is transmitted to the outside telephone until a specific operation, for example, hooking is performed on the designated own telephone a predetermined number of times.

[Example] Embodiments of the present invention will be described below based on the drawings.

In the figure, a major representative telephone of an in-house telephone network 3 within a predetermined company or the like is called via an exchange 2 at an outside line telephone 1□, . . . t in . The in-house telephone line network 3 includes a plurality of extension telephones 31. ..., 3m, and an in-house telephone exchange 3a for switching between these extension telephones is provided. 1 Although not shown in the figure, there is an in-house telephone exchange device 3.
On a, there is an outside line telephone 11゜..., and on 1n the requesting person's "
A melody mode/immediate call mode switching control section is provided for controlling switching between a melody mode in which a melody sound signal is continuously transmitted during a "waiting period" and a call mode in which a call is enabled during a call. This melody mode will continue until a call is made between the connected phones, and when you try to start a call on the connected phone, you can immediately switch to call mode by performing a specific operation such as hooking several times. can be switched to The melody mode/immediate call mode switching control section also controls the extension telephone 31 of the connection destination or connection source. ..., 3m may be prepared.

In this case, switching between the melody mode and the instant call mode is performed, for example, by a hooking operation as described above.

Next, the operation of the extension telephone switching system using the in-house telephone line network having the above configuration will be explained with reference to the schematic diagram of FIG.

First, when the main representative telephone (telephone number (xxx) x
At point A), the operator operates the in-house telephone exchange 3a (at point B), and the outside line telephone 11 and the extension telephone 3□ are connected as in step (1) of the conventional example (at point C).
. At this time, until it is connected to the extension telephone 3□ (time point D), a melody sound signal meaning "waiting" is transmitted to the outside telephone 11, as in step (2) of the conventional example.

The melody mode/immediate call mode switching control section continues the melody mode until the extension telephone 3□ is hooked a predetermined number of times, and the melody sound signal is continuously transmitted to the extension telephone 1□. Therefore, between steps (2) and (3) shown in the conventional example, the melody sound signal is continuously transmitted to the outside telephone 1□.

That is, in the conventional example, the melody sound signal was not transmitted to the outside line telephone 11 between time D and time E, but in this case, the melody sound signal is continuously transmitted. Here, when the extension telephone 31 is hooked a predetermined number of times by the requested person (time point E), the melody mode/immediate call mode switching control section is switched to the immediate call mode. Then, that external telephone 1□ and the corresponding extension telephone 3
The telephone line with 1 is connected, and the person in question can talk smoothly.

This also applies to steps (5) and (6) shown in the conventional example.
The same thing is done between. Namely.

In response to the extension telephone 31, the extension telephone 3□ that attempts to connect to the external telephone 1□ is called (F.

G point), in-house telephone exchange equipment 3 by operator or automatically
The operation a is performed, and the external telephone 11 and the extension telephone 32 are connected (point H). At this time, the melody mode/immediate call mode switching control section continues the melody mode until the extension telephone 3□ is hooked a predetermined number of times (at the time of construction), and the extension telephone 1
1, a melody sound signal is continuously transmitted. When the destination extension telephone 33 is hooked a predetermined number of times (time point 5), the melody mode/immediate call mode switching control section is switched to the immediate call mode. Then, the telephone line between the outside telephone 11 and the extension telephone 3□ is connected, and the conversation with the predetermined person can proceed smoothly.

In the above embodiment, the hooking operation of the extension telephone is performed a predetermined number of times, but the push button or dial operation is determined in advance, and when the push button or dial operation is performed, the melody mode is switched to the instant call mode. It's okay.

[Effects of the Invention] As explained above, according to the present invention, even when an outside line telephone and an extension telephone are connected, the telephone of the connection source remains connected until the hooking of the telephone of the connection destination is performed a predetermined number of times. It is possible to send a melody sound signal to the phone and enter a call state when the hooking operation is performed, allowing the conversation to proceed smoothly without causing any discomfort to the caller using an outside line phone. effective.

[Brief explanation of drawings]

FIG. 1 shows an embodiment of the present invention, and is a block diagram of an in-house telephone line network to which an extension telephone switching system is applied, and FIG. 2 is a schematic diagram for explaining the above-mentioned extension telephone switching system. In the figure, 11. ..., 1n is an outside telephone, 2 is an exchange,
3 is an in-house telephone line network, 3a is an in-house telephone exchange equipment, 31,
..., 3m is an extension telephone.

Claims (3)

[Claims] (1) An extension telephone switching system that connects a designated extension telephone specified by an external telephone and a telephone line between the external telephone and the designated extension telephone, wherein the external telephone and the designated extension telephone are in a callable state;
An extension telephone switching system characterized in that a melody tone signal is transmitted to the outside telephone until a specific operation is performed on the designated extension telephone. (2) The extension telephone switching system according to claim (1), wherein the specific operation is a hooking operation of the extension telephone a predetermined number of times. (3) In the scope of claim (1), an extension telephone exchange system in which the specific operation is a predetermined push button operation or dial operation.