JPS60203055A - Simple transfer system of paging - Google Patents

Abstract

PURPOSE:To simplify the operation of an extension operator by referring to the information on a memory means when an extension subscriber is restored, and holding perfectly a trunk line which is under a holding state by an extension when the information on the extension subscriber is registered. CONSTITUTION:A memory MEM holds a trunk line and stores an extension subscriber catching a paging trunk. An extension subscriber SUBb who is called by paging is connected to a call/income trunk line trunk COBWT for talking. The information the MEM is referred to when no paging answer is supplied for a fixed period of time after an extension subscriber SUBa is restored. Then the SUBa is called back when the information on the SUBa is registered, and the talking is carried out again between the trunk COBWT and the SUBa.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a paging simple transfer system for performing paging calls and central office line simple transfer services in an electronic private branch exchange having a paging function.

[Prior art]

Paging transfer is a conventional central office line transfer service that utilizes a paging device in an automatic private branch exchange, and the following operations are used to perform central office line transfer.

That is, ■　The extension operator puts the central office line on hold.

■ Dial the paging access code and use the paging device to page the transferred party.

■ The extension operator waits off-hook until a paging response is received.

■ The transferee dials the paging response code from another extension and speaks to the extension operator.

■ When the extension operator goes on-hook, a call is made between the central office line and the transferred party.

However, such transfer services have the disadvantage that they require complicated operations to transfer the central office line as described above, and furthermore, the extension operator must wait until a paging response is received.

[Object and structure of the invention]

In view of the above points, the present invention has been made to solve such problems and eliminate such drawbacks.The purpose of the present invention is to provide a simple operation, but it does not place a huge burden on the extension operator's time. An object of the present invention is to provide a paging simple transfer method that allows station line transfer using paging without waiting for a response from a transferee.

In order to achieve these objects, the present invention is provided with a storage means for storing all the internal subscribers who have put the central office line on hold and captured the paging trunk, and when the internal line subscriber is restored, the storage means When the extension subscriber's information is registered, it is possible to completely put the station line on hold when the extension subscriber's information is registered.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

FIG.

In the figure, 5UBa and 5UBb are telephones of extension subscribers (hereinafter referred to as common subscribers), La, and Lb.
are line circuits connected to this extension subscriber 5UBa and 5UBb, respectively, and NW is this line circuit La, Lb.
Replacement switch section (non-working) connected to C0B
The WT is the originating and terminating station trunk connected to this network, and the PT is the trunk connected to the network NWK.
Jimbu Trunk, PGTir Mako's Paging Trunk is a PTK connected paging device. CC is a central control unit that sends and receives various information, and this central control unit C
c is connected to the line circuit NW and the line circuit L.
a, Lb, the originating and receiving office line trunk COB'#T, the paging trunk PT, and the office line display panel DP, and is configured to control these. MEM is a storage device connected to this central control unit cc, and this storage device M
EIVI/The central control unit CC constitutes a storage means for storing the extension subscribers who have put the central office line on hold and captured the paging trunk PT.

Then, when the extension subscriber is restored, the information in the storage means 2 is referred to, and when the information of the extension subscriber is registered, the extension is configured to be able to completely put the station line on hold. ing.

Next, the operation of the embodiment shown in FIG. 1 will be explained.

First, the extension subscriber 5IJBa, who is currently talking to the originating/destination line trunk C0BWT, puts the said originating/destination line trunk C0BWT on hold by a hunking operation in order to call the transferred party, the common-term subscriber 5UBb, and uses a paging access special number (hereinafter referred to as (referred to as a paging access special number), activates the paging device PGT, and broadcasts to extension subscriber S'UBb, who is the transferred party, through speaker sp that it will respond to the originating/destination line trunk C0BWT that is on hold. do. Then, when the extension subscriber 5UBa is restored after the paging access, the extension subscriber 5UBa is restored, and the originating/destination line trunk C0BWT is automatically placed on complete hold.

At the end of the call, extension subscriber 5UBb, who is the called subscriber who has been paged, dials the complete hold special code (hereinafter referred to as the complete hold special number) and the number of the originating/destination line trunk C0BWT that is on complete hold. As a result, it is connected to this originating and terminating station line trunk C0BWT, and a call is made.

After the restoration of extension subscriber 5UBa, if there is no paging response for a predetermined period of time, this extension subscriber 5UBa is called back, and in response to the response of extension subscriber 5UBa, the originating/destination trunk C0BWT and the extension subscriber SUB
Return to a's call.

The above operation will be explained in more detail with reference to FIG. 2, which is a state transition diagram of the paging simple transfer service.

In this Figure 2, I, n, I, IV
, V indicate the state numbers, and state I is OTK in a call on the local line, OH is on hold in the local line, PG is in paging, and state IV is Pi (in full hold).
f indicates DTC during dial tone connection. , and the AF between state 1 and state 9 is the function of 4iA, and state n
The PAD between and status ■ is the paging access dial, the AOF between status ■ and status ■ is extension A on-hook, and status 1v.
To between and state n indicates timeout, and CD between state - and state 1 indicates complete hold response code dialing. In addition, AVi transfer extension subscriber (extension), B is transferred subscriber (extension)
extension), C indicates the central office line, TRK indicates the central office trunk, PG
T indicates a paging trunk. DT, the circled part, indicates dial tone, 5UBid second dial tone, and M indicates station line hold tone.

First, in the OTK in state I where a telephone call is in progress, the central telephone line C is placed on hold by hooking the central telephone line C and the extension A which is currently in use. Then, the automatic private branch exchange sends a hold tone to central office line C, and sends a second dial tone SDT to extension A as shown in the central office line on hold OH in status ■. Encourage operation. At this time, the office line trunk TRK sends out the office line hold tone M.

The operator of extension A dials the paging access dial special number as shown in the paging access dial PAD, and captures the paging trunk PGT as shown in the paging PG in state (2).

At this time, the automatic private branch exchange apparatus stores the fact that extension A has put central office line C on hold and activated paging in the storage area added to implement the present invention in storage device MEIVI (see FIG. 1). Then, the operator of extension A calls extension B, which is the transferred party, through the speaker SP of the paging device PGE shown in FIG. At this time, the office line trunk TRK is the office line holding tone M.
Send out.

Next, to explain the aspect of the completely pending PH in state (3), when extension A is on-hunk AOF between state I and state IV shown in FIG. 2, the automatic private branch exchange device is connected to the storage device MEM (see FIG. Referring to the corresponding area, it is determined that this is an on-flight from paging activation while the station line is on hold, and restoration processing is performed for the inner mA, and the station line C is completely put on hold.

Next, to explain the aspect of the DTC during dial tone connection in state ■, transferee G.
By dialing the complete hold response special number and the completely on hold office line number (refer to the Complete Hold Response Code Dial CD), you can capture the office line C and establish the connection between the office line C and the transferred party (extension B). It becomes a telephone call (see state I).

After extension A is restored, line C will be open at a preset time.
If there is no complete hold response, call the extension A that put the central office line C on hold from the information in the storage area in the storage device MEM shown in FIG. (Refer to state I) Next, as an application example of the present invention, a case where a new paging transfer special number (hereinafter referred to as paging transfer special number) is set will be explained with reference to FIG. do.

First, the completely pending PH in status ■ (extension A restored).

By dialing the transferee's paging transfer special number from station line C (completely on hold), the transferee's paging transfer number is read out from the information in the storage area of the storage device MEM shown in Fig. 1. Station line C on hold with transfer special number only
and the transferred party (extension B).

〔Effect of the invention〕

As is clear from the above description, according to the present invention, a means is provided for storing an extension subscriber who has put a central office line on hold and captured a paging trunk without using complicated means, and an extension operator A simple configuration that completely puts the central office line on hold after accessing the central office line on hold paging allows the extension operator to save time by simple operations and without waiting for the transferee's response. Since station line transfer using paging can be performed without any burden, the practical effect is extremely good.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a state transition diagram of the pecing simple transfer service to explain the operation of FIG. 1. S'UBa, 5UBb --- Extension subscriber, NW
---Exchange switch section, CC...Central control unit, MEM...Storage device, C0BWT...Departure/arrival station line trunk, PGT...Paging trunk, PG
E: Paging device. Patent applicant: NEC Co., Ltd. agent Kazuo Yamakawa (and 2 others)

Claims (1)

[Claims] An electronic private branch exchange having a paging function is provided with a storage means for storing an extension subscriber who has captured a paging trunk while suspending the winnings, and when the extension subscriber recovers, the information in the storage means is referred to. , a paging simple transfer system characterized in that when the information of the extension subscriber is registered, the office line where the extension is on hold can be completely put on hold.