JPS6132861B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a manual instant tandem connection system, and more particularly to a manual instant tandem connection system in an automatic exchange equipped with a manual switch that uses the main channel network for connection to trunk lines.

When an automatic switchboard accommodates security magnetic trunk lines, etc., the assistance of a manual stand is required when connecting these trunk lines to general subscribers or trunk lines.

FIG. 1 is a diagram showing an example of a conventional manual instant tandem connection method. In FIG. 1, the main communication channel network NW is used to connect the trunk line T ₁ service trunk ICT which requires the assistance of a manual stand and the operator trunk OPT ₁ corresponding to the manual stand ATT. Imairi trunk
When an incoming call for a manual stand ATT arrives at the ICT, the incoming trunk ICT sends the call to the main communication network NW of the operator trunk OPT ₁ via route 1 within the main communication network NW.
An incoming call is connected to terminal A housed on the line side, allowing you to talk to the manual ATT operator. Trunk line T ₁ If the calling party wishes to connect to the general subscriber SL, the manual ATT operator selects the called subscriber SL and connects the operator via route 2 within the main communication network NW. Connect the called subscriber SL to terminal B accommodated on the main channel network NW trunk side of trunk OPT ₁ . The manual ATT operator connects the trunk line T ₁ to the called subscriber SL.
When the connection is released after announcing an incoming call from NW, the incoming trunk ICT and the called subscriber SL are
The passage is directly connected via route 3 within.
The operator trunk OPT ₁ and routes 1 and 2 within the main communication network NW are released. In this way, the connection between the incoming trunk and the extension subscriber is handled as one is accommodated on the trunk side of the main communication network NW and the other is accommodated on the line side of the main communication network NW, due to the line accommodation form of the exchange. It is easy to correspond with the 2 terminals of the trunk OPT ₁ ,
Can be easily connected. However, the trunk line
When connecting between T ₁ and T ₂ and between extension subscribers, the calling party and the called party are both accommodated on one side of the main channel network, so the operator's trunk is
Connection with OPT ₁ requires some ingenuity. Hereinafter, conventional connections between trunk lines will be explained. Next, if the caller of trunk line T ₁ wishes to connect to trunk line T ₂ , the manual ATT operator selects the called trunk line T ₂ and connects route 4 within the main communication network NW. Connect the outgoing trunk for trunk line T _{2 to terminal C accommodated on the main communication network NW line side of operator trunk OPT 1 via}
Connect OGT. When the manual ATT operator releases the connection after informing the called party on trunk T ₂ of the incoming call from trunk T ₁ , the incoming trunk ICT and outgoing trunk
The OGT is directly connected via path 5 in the main communication network NW, and the calling party on the trunk line _T1 and the called party on the trunk line _T2 communicate. The operator trunk OPT ₁ and routes 1 and 4 within the main communication network NW are released.

As is clear from the above explanation, for incoming calls from trunk lines, when considering both connections to extension subscribers and connections between trunk lines via outgoing trunks, connection to operator trunk OPT ₁ Control becomes more complex. In other words, according to the conventional manual instantaneous tandem connection method, the operator trunk OPT ₁ is connected to the main channel network NW.
requires three terminals to accommodate the device, making the configuration complicated. In addition, the main channel network NW is also the operator trunk OPT ₁
This requires a large number of housing terminals, which impairs economic efficiency.

It is an object of the present invention to eliminate the drawbacks of the conventional manual instant tandem connection method as described above, simplify the configuration of the operator trunk, and reduce the number of terminals accommodating the operator trunk in the main communication channel network. It lies in the realization of the method.

The purpose of this is to connect an incoming line that has connection terminals on the line side and trunk side of the main communication path network through a switchboard, and then connect the outgoing line to the line side terminal of the incoming line and the trunk side. In an automatic switching system that connects trunk-side terminals of outgoing lines via a main communication path network, one operator trunk accommodating the switching board is provided on each of the line side and trunk side of the main communication path network.
connecting the trunk-side terminal of the incoming line and the line-side terminal of the operator trunk to enable communication with the switching board; In order to connect to the line, the connection is switched between the line side terminal of the incoming line and the trunk side terminal of the operator trunk, and the line side terminal of the operator trunk and the outgoing line are connected via the main communication path network. and then connect the line side terminal of the incoming line and the outgoing line via the main communication path network, and then release the connection between the operator trunk and the incoming line to perform a relay connection. more achieved.

An embodiment of the present invention will be described below with reference to FIG.

FIG. 2 is a diagram of a manual instant tandem connection system according to an embodiment of the present invention. In FIG. 2 as well, the main channel network NW is used to connect the trunk line _T1 service trunk ICT which requires the assistance of a manual stand and the operator trunk OPT ₂ corresponding to the manual stand ATT. Furthermore, the relay line
The incoming connection from _T1 to the general subscriber SL is omitted because it is the same as the conventional system in FIG. Now, when an incoming call for a manual stand ATT arrives at the incoming trunk ICT of trunk line _T1 , the incoming trunk ICT is transferred to the operator's trunk via route 6 in the main communication network NW.
An incoming call is connected to terminal D accommodated on the NW line side of the main communication channel network of OPT ₂ , and it is possible to talk to the manual ATT operator. If the caller of trunk line T ₁ wishes to connect to trunk line T ₂ , the manual ATT operator selects the called trunk line T ₂ , and connects the manual ATT first.
The main communication network NW line side terminal D of trunk line T ₁ used trunk ICT and operator trunk OPT ₂ connected to incoming calls
Release the route 6 connecting the incoming trunk ICT's main communication network NW line side terminal and the operator's trunk.
The main channel network NW trunk side terminal E of OPT ₂ is reconnected via path 7 within the main channel network NW. Next, the outgoing trunk OGT for the called trunk line T ₂ is connected to the main communication network NW line side used for the incoming connection from the trunk line T ₁ beyond the operator trunk OPT ₂ via route 8 within the main communication network NW. Outgoing connection is made to terminal D. manual stand
When the ATT handler releases the connection after informing the called party on trunk T ₂ of the incoming call from trunk T ₁ , the incoming trunk
The ICT and the outgoing trunk OGT are directly connected via the path 5 in the main communication network NW, and the calling party on the trunk line _T1 and the called party on the trunk line _T2 communicate. The operator trunk OPT ₂ and the main communication network NW internal routes 7 and 8 are released.

As is clear from the above explanation, according to this embodiment, the operator trunk OPT ₂ is accommodated in the main communication network NW with only two terminals, the line side terminal D and the trunk side terminal E, and is connected to the manual terminal incoming call relay line. Terminal D is first used for incoming connections to T ₁ , and when making an outgoing connection to trunk line T ₂ , the incoming connection is switched from terminal D to terminal E, and then the vacant terminal D is used for manual immediate connection. Tandem connection is possible.

Note that FIG. 2 is only one implementation of the present invention, and for example, the trunk for the incoming trunk line _T1 is not limited to the incoming trunk ICT, and even if it is a bidirectional trunk BWT, the effects of the present invention do not change. Furthermore, the called side connected in tandem is not limited to the outgoing trunk OGT for trunk line _T2 . Furthermore, the effects of the present invention do not change even when incoming calls requiring the assistance of a manual stand are not only received from a magnetic trunk line, but also calls that arrive at the manual stand via a special number connection from an automatic real-time trunk line.

As described above, according to the present invention, the operator trunk corresponding to the manual stand that performs manual instantaneous tandem connection using the main channel network of an automatic exchange, and the terminal connected to the main channel network are provided on each of the line side and the trunk side. This makes it possible to realize a manual instantaneous tandem connection system that simplifies the configuration of the operator trunk and reduces the number of operator trunk accommodation terminals in the main communication path network.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing an example of a conventional manual instant tandem connection system, and FIG. 2 is a diagram of a manual instant tandem connection system according to an embodiment of the present invention. In the figure, ATT...manual stand, OPT ₁ , OPT ₂
...handler trunk, ICT...input trunk, OGT
...Outgoing trunk, NW...Main communication path network, SL...Subscriber, 1, 2, 3, 4, 5, 6, 7, 8...Route.

Claims (1)

[Scope of Claims] 1. When relaying an incoming line that has connection terminals on the line side and trunk side of the main communication path network, after passing through a switching board, the connection with the outgoing line is made on the line side of the incoming line. In an automatic exchange that connects a terminal and a trunk-side terminal of the outgoing line via a main communication path network, one operator trunk accommodating the switching board is provided on each of the line side and trunk side of the main communication path network.
connecting the trunk-side terminal of the incoming line and the line-side terminal of the operator trunk to enable communication with the switching board; In order to connect to the outgoing line, the connection is switched between the line side terminal of the incoming line and the trunk side terminal of the operator trunk, and the line side terminal of the operator trunk and the outgoing line are connected to the main communication path network. After that, the line side terminal of the incoming line and the outgoing line are connected via the main communication path network, and the connection between the operator trunk and the incoming line is released to establish a relay connection. A manual instant tandem connection method.