JPS582514B2 - Outgoing class transfer method on incoming circuit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention facilitates the transmission of outgoing class information from incoming trunks to
Moreover, it relates to an originating class transfer system on the terminating line of an automatic telephone exchange which is economically implemented in a marker.

In the conventional outgoing class transfer method on the incoming line of automatic telephone exchanges, there are two types of control routes for trunk number groups, and for this reason, connector relays are installed in trunk number groups, and special subscriber class identification functions are installed in trunk number groups. There are disadvantages such as having to have

This drawback will be explained in detail with reference to FIGS. 1 and 2.

First, Figure 1 shows the incoming trunk ICT and incoming register link I.
RL, input register IR, input register marker connector IR
MC, marker M, called subscriber A, switch frame SF
, frame connector FC, trunk number group T
This figure shows an example of a relay method showing the mutual positional relationship of NGs.

Further, FIG. 2 shows a circuit configuration as a simplified example showing the relationship among the incoming trunk ICT, incoming register link IRL, and incoming register IR in FIG. 1.

If the incoming trunk ICT shown in Figure 1 is a combined incoming trunk that accepts incoming calls from general subscribers and special subscribers, there are two routes to the trunk number group TNG as shown in Figure 2. have.

Since this trunk number group TNG is well known, its explanation will be omitted, but when the marker M, which is a common control device, is activated from the input register IR via the input register marker connector IRMC, the marker M is activated by the input trunk I
Since the accommodation position of CT on the trunk link frame is known, marker M - input register marker connector IRMC - input register IR - input register link IRL - input trunk IC
Marker M sends a DC signal to the path of T-trunk number group TNG-marker M.

At this time, relay X (not shown) is activated in the incoming trunk ICT to indicate that the call is from a special subscriber.
Trunk number group TNG via terminal TNG1
will be controlled.

To explain this using FIG. 2, in the input register IR, the relay MS (not shown) is operating while the marker M is activated, so the DC signal from the marker M for trunk number group TNG control is , contact ms-terminal RB(I
(Inside R) - Lead B - Terminal RB (Inside ICT) - Contact n (Input register IR is Marker M activated Relay N is operating) - Contact X (Relay X is inactive when receiving a call from a general subscriber. ) is led to the trunk number group TNG via one of the terminals TNG0 and TNG1.

In this way, by using the two types of routes for the DC signal, the two terminals TNG0 and TNG1, the marker M can easily identify the incoming class of the incoming call that it is currently controlling, that is, the outgoing class, so connection regulation based on the outgoing class is possible. can be easily performed.

However, having two types of routes to trunk number group TNG means that
In the NG system, there are disadvantages in that a connector relay must be added and a special subscriber class identification function must be provided.

In addition, in FIG. 2, CO and HM indicate a cut-off relay and a hold magnet, respectively.

SUMMARY OF THE INVENTION An object of the present invention is to eliminate the above-mentioned drawbacks of the prior art and to provide a method for economically transferring the originating class on the terminating line from the incoming trunk to the marker.

For this purpose, the present invention focuses on the fact that an incoming trunk class storage circuit is originally provided in the incoming register, and collects outgoing class information from the incoming trunk via the incoming register link before the incoming register captures the marker. The outgoing class information stored in the incoming register is transferred to the incoming register and transferred to the marker after the marker is captured by the incoming register.

The present invention will be explained below with reference to FIG.

In this figure, the difference from figure 2 is that the contact x of the relay This is what is being done.

At the incoming register, it is possible to know whether the incoming call is from a special subscriber or not depending on whether or not there is a signal from contact x.

Now, when the incoming trunk ICT captures a vacant incoming register IR via the incoming register link IRL, if it is an incoming call from a special subscriber, the incoming trunk ICT has already registered.
Since relay X is operating inside T, earth contact x
Contact n - terminal RB (inside ICT) - lead B - terminal RB (
The relay operates through the following path: (inside IR) - contact ms - relay X' - battery.

As a result, information indicating that the call is from a special subscriber is transferred from the incoming trunk ICT and stored in the incoming register IR by operating the relay.

The outgoing class information thus accumulated in the incoming register IR is transferred to the marker M by a known technique after the marker M is captured by the incoming register IR, and is used for necessary connection regulation. That's why.

In this way, according to the present invention, the outgoing class information is transferred and stored from the incoming trunk to the incoming register before the marker is captured,
After the marker is captured, the outgoing class information is transferred from the incoming register to the marker.

When the outgoing class is transferred from the incoming trunk to the marker in this way, it is not necessary to provide two transfer paths between the incoming trunk and the trunk number group.

Additionally, since it is possible to use the function of transferring called party selection information (dial information) from the incoming trunk to the marker via the incoming register, calling class information can be transferred to the marker economically without the need for special connections or transfer routes. is possible.

Furthermore, since the outgoing class information is immediately transferred from the input register to the marker along with other information after the marker is captured, the marker also has the advantage of being able to immediately perform connection control according to the outgoing class.

By the way, according to the present invention, the outgoing class information is temporarily stored in the incoming register, but this is only because the incoming register is conventionally provided with an incoming trunk class storage circuit.

By using this storage circuit, the present invention can be easily applied to existing devices.

As explained above, the present invention transfers and stores outgoing class information from the incoming trunk to the incoming register via the incoming register link before the incoming register captures the marker, and after capturing the marker, transmits the outgoing class information from the incoming register to the marker. It was designed to be transferred to

Therefore, in the case of the present invention, since two routes are not provided for a trunk number group as in the conventional case, there is an effect that originating class information can be transferred economically.

[Brief explanation of the drawing]

FIG. 1 is a relay system diagram as an example for explaining the originating class transfer method, FIG. 2 is a related circuit configuration diagram for explaining the conventional originating class transfer method, and FIG. 3 is a diagram according to the present invention. FIG. 2 is a related circuit configuration diagram for explaining an outgoing class transfer method. ICT...Incoming trunk, IRL...Incoming register link, IR...Incoming register, M...
...Marker, x...Relay contact for special subscriber class identification, X'...Relay for storing outgoing class information.

Claims (1)

[Claims] 1. On the incoming line of the automatic telephone exchange, the outgoing class information to the incoming trunk is transferred and stored in the incoming register via the incoming register link before the incoming register captures the marker, and after the incoming register captures the marker, the information is transferred to the marker. An outgoing class transfer method on an incoming line that is characterized by forwarding to an incoming line.