JPH0998468A - Radio communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To quicken call termination informing by connecting one radio communication terminal and a radio channel when call termination is detected and informing the radio communication terminal which responds to analysis of the call termination. SOLUTION: In a main unit 101 which detects outside line call termination from a telephone line 102, whether or not an outside line to which the call termination is performed is DID call termination is analyzed. In the case of a DID call termination mode, the main unit 101 simultaneously transmits a line connection request to radio base stations 109 (a-c) connected to the radio telephone terminals 110 (a-c) inside this system. The main unit 101 transmits the line connection request to all the radio base stations housed inside the system. Further, the main unit 101 which receives line connection confirmation waits for secondary call termination from the telephone line 102 when a processing is executed to all the radio telephone terminals. Then, in the case of receiving the secondary call termination from the telephone line 102, the main unit 101 analyzes call termination signals and performs the call termination to a pertinent extension line (the radio base station (a) - the radio telephone terminal) corresponding to the setting of the DID call termination mode.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to wireless communication between a wireless communication device and a device containing the wireless communication device.

[0002]

2. Description of the Related Art Conventionally, in a communication system accommodating a plurality of communication terminals, the first incoming call (primary incoming call) from a line connected to the communication system notifies the system of the incoming call, and then the incoming call is sent. A DID (Direct In) that specifies a communication terminal in the system with a special signal (secondary incoming call)
Dial) service.

When this DID service is performed in a wireless communication system consisting of a wireless communication terminal and a main device accommodating this wireless communication terminal, the wireless communication terminal is designated by a secondary incoming call, and then the wireless designated as the main device. A wireless line is connected between the communication terminals, and the control channel is moved to the communication channel on this wireless line to notify the incoming call.

[0004]

However, in the above-mentioned conventional example, since the wireless communication line is connected after the wireless communication terminal is designated by the secondary incoming call, the notification of the incoming call to the designated wireless communication terminal is delayed. There was a drawback that it would end up.

Further, the establishment of the wireless line is greatly influenced by the radio wave condition in the surroundings, so that the establishment may fail.
That is, it may not be possible to notify the designated wireless communication terminal of an incoming call. Therefore, even if the incoming call process is executed for the designated wireless communication terminal, if the establishment of the wireless line fails, there is a delay time in executing the incoming call cancel process or the alternative process. However, there is a drawback in that the situation is unfavorable to the user side, especially to the sender.

[0006]

In order to solve the above problems, the present invention provides a wireless communication system having a plurality of wireless communication terminals and a main device for accommodating the wireless communication terminals by a wireless line, wherein the main device is Detecting means for detecting an incoming call to the wireless communication system; analyzing means for analyzing a signal designating at least one wireless communication terminal of the plurality of wireless communication terminals; and a plurality of the plurality of detecting means for detecting an incoming call by the detecting means. A wireless communication system characterized by having a connecting means for connecting a wireless line to at least one wireless communication terminal among the wireless communication terminals, and a notifying means for notifying an incoming call to the wireless communication terminal according to the analysis of the analyzing means. I will provide a.

Further, in a main unit for accommodating the wireless communication terminal by a wireless line, the main unit detects the incoming call and a signal for designating at least one wireless communication terminal of the plurality of wireless communication terminals. Analyzing means, a connecting means for connecting a wireless line to at least one wireless communication terminal of the plurality of wireless communication terminals when an incoming call is detected by the detecting means, and wireless communication according to the analysis of the analyzing means. Provided is a main device having a notification means for notifying a terminal of an incoming call.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION

(First Embodiment) An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a system configuration diagram of a key telephone device representing the present embodiment. In FIG.
Is a main unit of the key telephone device, and 102 is a main unit 101.
, A telephone line such as a general subscriber line / private branch exchange, 103 is a station line interface for accommodating a telephone line 102 such as a general subscriber line / private exchange in the main device 101, 104 is an extension of a button telephone device, Reference numeral 105 is an extension-dedicated telephone interface for accommodating an extension of a key telephone device, 106 is a communication path, 107 is a control unit that controls the entire main device 101, 108 is a storage area unit, and 109 (a, b,
c) is a radio base station connected to the extension 104 of the key telephone device, and 110 (a, b, c) is a radio telephone terminal connected to the radio base station 109 via a radio line for performing control channel and call channel communication. Is.

FIG. 2 is a block diagram of the radio base station 109, in which 201 is a line interface section for accommodating the extension 104 of the key telephone unit in the radio base station, 202 is a voice processing circuit, 203 is a radio circuit section, and 204 is A control unit, 205 is a modem, and 206 is a ROM (R
Reference numeral 207 denotes a RAM (Random Accses) that stores various control information and the like.
Memory) and 208 are antennas for transmitting and receiving radio signals.

FIG. 3 is a block diagram of the radio telephone terminal 110. 301 is a receiving section, 302 is a transmitting section, 303 is a voice processing circuit, 304 is a wireless circuit section, 305 is a control section, 3
06 is a modem, 307 is an RO storing various programs
M (Read Only Memory), 308 is an antenna for transmitting and receiving radio signals, 309 is a speaker button used for starting a call, 310 is a liquid crystal display unit, 311 is an outside line LED (LED) for displaying the state of the telephone line 102,
Reference numeral 312 is a function key used when using various functions peculiar to the key telephone device, reference numeral 313 is a dial information input unit, and 3
A RAM (Random) 14 stores various control information and the like.
Accsess Memory) 315 is a speaker,
316 is a microphone and 317 is a speaker LED.

Next, a flowchart showing the operation of the main apparatus 101 of this embodiment shown in FIGS. 4 and 5, a flowchart showing the operation of the radio base station 109 of this embodiment shown in FIG. 6, and FIGS. 8 is a flowchart showing the operation of the wireless telephone terminal 110 according to the present embodiment, and FIGS.
This embodiment will be described using the sequence chart of No. 1.

In FIG. 4, the main unit 101 detects an outside line incoming (M901) from the telephone line 102 (S401).
Then, it is analyzed whether the received outside line is a DID incoming call (S40).
2). In the DID incoming mode [S402: YES],
The main device 101 is a wireless telephone terminal 110 in the system.
The wireless base station 109 (a, b, c) connected to (a, b, c)
b, c) all at once to request line connection (M902, M
908, M914) are transmitted (S404). Main device 1
01 transmits this line connection request to all wireless base stations accommodated in the system (S405).

In FIG. 6, the line connection request (M90
2, M908, M914) (S601), the radio base station 109 checks the use (vacancy) of the radio communication channel (S602), and if there is a usable communication channel [S602: YES], uses it. Channel R
It is stored in the AM 207 (S603) and the call channel is reserved, and the line connection request signal (M90
3, M909, M915) to the wireless telephone terminal 110 (S604). The wireless base station 109 also activates a response timer (S605). Then, the wireless base station 10
9 confirms reception of the response message from the wireless telephone terminal 110 (S606).

At this time, if a line connection refusal signal is received from the radio telephone terminal 110 before the expiration of the timer [S607: NO], a line connection refusal is transmitted to the main device 101 (S609).

When the timer expires [S6
07: YES], the line connection failure is transmitted to the main device 101 (S608).

In FIG. 7, the connection request signal (M9
03, M909, M915) is received (S701), the radio telephone terminal 110 checks whether or not the wireless line connection is possible (S702), and if not [S702: N
O], the radio telephone terminal 110 transmits a line connection refusal signal to the radio base station 109 (S703) and transitions to the idle state.

When the line can be established, a connection confirmation signal (M904, M910,
M916) is transmitted (S704).

The radio base station 109 receives the connection confirmation signal (M9
04, M910, M916) and confirm the establishment of the wireless line (S606). If the connection of the wireless line is confirmed [S606: YES], the use of the stored reserved channel is confirmed again (S610), and if it is not available [S6
10: NO], transmits a line connection failure signal to the main device 101 (S608), and transits to the idle state.

On the other hand, if it can be used [S610: YE
S], the used frequency is switched from the radio control channel to the radio communication channel, and the channel movement request signal (M905, M911, M917) is transmitted to the radio telephone terminal 110 (S611). Thereafter, transmission and reception of signals are performed on the communication channel.

The channel movement request signal is received (S
705) The radio telephone terminal 110 confirms the shift to the call channel (S706), and confirms the channel movement confirmation signal (M90).
6, M912, M918) to the wireless base station 109 (S707). Upon receiving the channel movement confirmation signal (S612), the radio base station 109 transmits a line connection confirmation (M907, M913, M919) to the main device 101 (S613), and thereafter shifts to the busy state.

Confirm the line connection (M907, M914,
The main device 101 that has received M919) (S406) determines whether the processing has been executed for all wireless telephone terminals accommodated in the system (S407), and if so, continues from the telephone line 102. The system waits for the second incoming call (S408).

When the main unit 101 receives the secondary incoming call from the telephone line 102 [S408: YES], the main unit 101 analyzes the incoming call signal and receives the DID incoming call to the corresponding extension (wireless base station a-wireless phone terminal a). Receive an incoming call according to the mode setting.

Here, for the sake of explanation, the radio telephone terminal 110 is used.
Assume that it is the designated extension of a.

In the control unit 107, the storage area unit 108
Check the data corresponding to the wireless telephone terminal 110a in the
409), and confirms that the incoming call is possible [S410:
YES], an external line incoming to the wireless base station a (external line LED state +
(M1002) including each ringing pattern) is transmitted (S411). After that, it transits to the response waiting state. Further, a radio telephone device other than designation of an incoming call (here, radio base station b-radio telephone terminal b, radio base station c-radio telephone terminal c)
For outside LED status (M1004, M1006)
Is transmitted (S413, S414). → [Continuation of processing 1b]

On the other hand, when the wireless line is not established with the designated extension terminal and the incoming call is impossible [S410: NO], the main unit 1
01 sends a busy tone to the telephone line 102 to notify the caller that the incoming extension terminal cannot receive the call, and executes disconnection processing so as to prompt the caller to disconnect (S).
412). Subsequently, as a disconnection process of the wireless line, the corresponding extension terminal in the system is analyzed (S502), and the corresponding wireless telephone terminal 110 responds to the wireless telephone terminal 11 that responds.
When it is other than 0 [S502: NO], the time (M1109) is transmitted to the radio base station 109 (S506), the idle display (M1111) is transmitted (S507), and the line disconnection request (M1113) is transmitted ( S508).

M1109 (S614), M1111
Upon receiving (S615) and M1113 (S616), the radio base station 109 transmits a time signal (M1110) to the radio telephone terminal 110 (S617) and an idle display (M1112) (S618). A line disconnection request (M1114) is transmitted (S619).

The main device 101 has the above-mentioned steps S506 to S508.
Processing is performed for all extension lines receiving an outside line (S50).
9).

The M1110, M1112 and M111
4, the wireless telephone terminal 110 receives the time signal (M1
When 110) is received (S709), the clock data in the RAM 314 is updated (S710), and when the idle display signal (M1112) is received (S711), the date and time is displayed on the liquid crystal display unit 310 (S712). When the line disconnection request signal (M1114) is received (S713),
A line disconnection confirmation signal (M1115) is transmitted to the wireless base station 109 (S714), and the wireless circuit unit 304 is closed.

Upon receiving the line disconnection confirmation signal (M1115) (S620), the radio base station 109 transmits a line disconnection confirmation (M1116) to the main device 101 (S621). Upon receiving the line disconnection confirmation (M1116) (S510), the main apparatus 101 ends the call termination process and transitions to the idle state.

The main unit 101 performs the above-described processing of S510 on all extension lines receiving an outside line (S511).

→ [Continuation of processing of 1b] Further, the external line incoming (M
The radio base station 109a which has received 1002) (S62
2), an outside line incoming signal (M100
3) is transmitted (S623).

Further, the outside line LED state (M1004, M1
The radio base stations 109b and c that have received 006) send the external telephone incoming signals (M1005 and M1) to the radio telephone terminals 110b and c.
007) is transmitted. Outside line LED status signal (M100
5, M1007), the wireless telephone terminals b and c control the outside line LED 311.

Upon receiving the outside line incoming signal (M1003) (S801), the radio telephone terminal 110A controls the outside line LED 311 according to the internal parameters. Further, the internal parameter is analyzed, and the external line ring tone is output from the speaker 315 in a special pattern for notifying the DID incoming mode (S802).

Next, a response to the above-mentioned incoming call from the outside line will be described.

When the key press is detected in the radio telephone terminal 110a, the pressed key is analyzed (S80).
3). The pressed key is an outside line button [S803:
[YES] If the outside line button does not correspond to the outside line that is receiving an incoming call [S807: NO], the outside line LED in the outside line LED 311 corresponding to the pressed outside line button n is transmitted and blinks (eg, green: 0.5 second cycle) ( S808).

Next, the speaker LED 317 is turned on (S
809), the audio circuit 303 inside the wireless telephone terminal 110 is connected to the speaker 315 and the microphone 316, and the volume is adjusted (S810).

In the case of an outside line button during an incoming call [S80
7: YES], the above S809 and S810 are performed.

When the call request is not the outside line button n, [S803: NO] It is checked whether the call request is off-hook (S804).

When the outgoing call request is off-hook, [S80
4: YES] The speaker LED 317 is turned off (S80
5), the voice circuit 303 inside the wireless telephone terminal 110 is connected to the receiving section 301 and the transmitting section 302 to adjust the volume (S).
806).

When the call request is made by pressing the speaker button, [S804: NO] The processes of S809 and S810 are performed as in the case of pressing the outside line button n. After the above processing is completed, the display on the liquid crystal display unit 310 is cleared (S81).
1).

Subsequently, the radio telephone terminal 110 examines the pressed external line button, and if it is not the external line button corresponding to the incoming external line [S812: NO], the wireless base station 109
A normal outside line transmission signal is transmitted to (S81).
4).

In the case of an outside line button during an incoming call [S81
2: YES], and transmits a key press (outline button n) signal (M1301) to the wireless base station 109 (S81).
3).

In FIG. 6, a key depression signal (M110
The wireless base station 109 that has received 1) (S624) transmits a key press (M1102) to the main device 101 (S625).

In FIG. 5, when the main device 101 receives the key press and detects a response (S501), it analyzes the base stations that have responded to all the wireless telephone terminals 110 accommodated in the extension ( S502), the corresponding wireless telephone terminal 1
When 10 is the wireless telephone terminal 110 that responded [S50
2: YES], the outside line LED state (M1103) is transmitted to the wireless base station 109 (S503), and then the voice connection request (M1105) is transmitted (S504). Further, the office line interface 103 and the extension-only telephone interface 105 are connected via the communication path 106 (S505).

The radio base station 109 which has received the outside line LED state (M1103) and the voice connection request (M1105) (S626, S627) sends the outside line LED state signal (M1104) and the voice connection request signal to the radio telephone terminal 110. (M1106) is transmitted (S628, S629).

Upon receiving the outside line LED status signal (M1104) (S815), the radio telephone terminal 110 controls the LED of the outside line LED 311. When the voice connection request signal (M1106) is received (S816), the voice processing circuit 303 inside the radio telephone terminal 110 connects the radio circuit unit 304, the speaker 315, and the microphone 316 (S817). At this time, the wireless telephone terminal 110 and the wireless base station 109 are in a call state on the wireless line (M1108).
Then, the wireless base station 109 and the main apparatus 101 are in a talking state (M1107) on a wired line.

On the other hand, the responding base station is analyzed (S50
2) If the corresponding wireless telephone terminal 110 is other than the responding wireless telephone terminal 110 [S502: NO], the same processing as the processing of S506 to S509 and S510 and S511 described above is performed.

(Second Embodiment) In this embodiment,
The wireless telephone terminals in the system are divided into a plurality of groups, and a wireless line is connected to a specific group when a primary incoming call is received.

FIG. 12 shows a block diagram of the system of this embodiment.

In FIG. 12, reference numeral 108 denotes the radio base station 10.
9-1 to 109n are divided into groups and stored (in this embodiment, groups of 1 to m and m + 1).
To n) and other symbols are the same as those in FIG.

The internal configuration diagrams of the radio base stations 109-1 to 109n and the radio telephone terminals 11-1 to 110-n are as follows:
Since it is similar to FIG. 2 and FIG. 3, description thereof will be omitted.

13 and 14 show the main device 1 of this embodiment.
The operation of the main device in the present embodiment will be described using the flowchart showing the operation of No. 01.

Further, the radio base station 109 according to the present embodiment
Since the operation of the wireless telephone terminal 110 is the same as that of the first embodiment, the description will be omitted.

In FIG. 13, when the main device 101 detects an external line incoming from the telephone line 102 (S1301), it analyzes whether the incoming external line is a DID incoming (S1302). As a result of the analysis, if there is a DID incoming call [S1302: YE
S], the main apparatus 101 selects a group to which a wireless line is connected from the groups of the wireless base stations 109 stored in the storage area unit 108 (S1304). A group to which this wireless line is connected is set in advance, and a frequently used wireless telephone terminal and a wireless base station corresponding to this wireless telephone terminal are assigned to this group. Further, in the present embodiment, there are two groups, a group A of radio base stations 109-1 to 109-m and a group B of radio base stations 109-m + 1 to 109-n.
Group A of 1 to 109-m is a group to which a wireless line is connected by a primary incoming call.

The main unit 101 transmits a line connection request signal to the radio base stations 109-1 to 109-m of the group A selected in S1304 (S1305).

The main unit 101 transmits this line connection request signal to all the radio base stations in the group A (S130).
6).

Radio base station 1 which has received the line connection request signal
09-1 to 109-m are wireless telephone terminals 110-1 to 11
0-m is connected to the wireless line, and the line connection confirmation signal received from the wireless telephone terminal is transmitted to the main device 101.

The main unit 101 sends this line connection confirmation signal to all the radio base stations 109-1 to 109-in the group A.
When it receives from m (S1307, S1308), it waits for a secondary incoming call from the telephone line 102 (S1309). S
When the secondary incoming call is received by 1309 [S1309: YE
[S], the control unit 107 analyzes whether the wireless telephone terminal that notifies the incoming call from the secondary incoming signal is the wireless telephone terminal in the group A (S1311).

As a result of the analysis, if the wireless telephone terminal designated by the secondary incoming call is the wireless telephone terminal in the group A, the control unit 107 checks the data in the storage area unit 108 and is designated by the secondary incoming call. Check whether the wireless telephone terminal can receive a call (S13)
12). When the incoming call is possible [S1312: YES], an external line incoming call (including the external line LED state, ringing pattern, etc.) is transmitted to the wireless base station connected to the wireless telephone terminal by a wireless line (S1313). Further, the outside line LED state indicating that the telephone line having the incoming call is busy is transmitted to the wireless telephone device other than the designation of the incoming call (S41 in FIG. 5).
3, S414).

After that, the main device 101 detects a response to the incoming call of the wireless telephone terminal via the wireless base station (S5).
01), analyzes the responding wireless base station (S502), transmits an outside line LED status signal to the corresponding wireless base station (S503), and then transmits a voice connection request signal (S5).
04). Further, the office line interface 103 and the extension-only telephone interface 105 are connected via the communication path 106 (S505).

At this time, when the radio telephone terminal side receives the outside line LED status signal and the voice connection request signal via the radio base station, the voice processing circuit 303 connects the radio circuit section 304, the speaker 315, and the microphone 316 to establish a call state. Become.

On the other hand, the radio telephone terminals 110-1 to 110-1 in the group A other than the radio telephone terminals designated by the secondary incoming call.
Since the 110-m and the radio base stations 109-1 to 109-m are also connected by the radio line, the main device 101 is connected to the radio base stations 109-1 to 109-m (radio base stations other than the one which has notified the incoming call). In response, a time signal and an idle display signal are transmitted (S506, S507), and a line disconnection request signal is transmitted (S508).

This processing is performed for all the radio base stations other than the one that has notified the incoming call within the group A (S509), and the line disconnection confirmation signal is received from each radio base station (S510, S51).
The wireless line between the wireless base station and the wireless telephone terminal other than the notification of the incoming call 1) is disconnected.

When the wireless telephone terminal designated by the secondary incoming call in S1312 of FIG. 13 cannot receive the incoming call [S131
2: NO], the main apparatus 101 sends a busy tone to the telephone line 102 to notify the caller that the incoming extension terminal cannot receive the call, and executes disconnection processing so as to prompt the caller to disconnect ( S1314), S506 to S511 of FIG.
To disconnect the wireless line.

Next, when the wireless telephone terminal designated by the secondary incoming call in S1311 of FIG. 13 is in the group B [S1311: NO], S1401 to S141 of FIG.
In step 4, the wireless line of group A is disconnected and the wireless line between the wireless telephone terminal in group B designated by the secondary incoming call and the wireless base station is connected.

In FIG. 14, for the radio telephone terminal designated by the secondary incoming call [S1401: YES], the main unit 10
1 transmits a line connection request via the wireless base station (S
1402). When a wireless line is connected between the wireless telephone terminal and the wireless base station, the wireless telephone terminal transmits a line connection confirmation signal to the wireless base station.

When the main unit 101 receives the line connection confirmation signal via the wireless base station (S1403), it sends an external line incoming to the wireless base station to notify the wireless telephone terminal of the incoming external line. (S1404).

When the wireless base station receives an outside line incoming call, it sends the outside line incoming call to the wireless telephone terminal. Upon receiving an outside line incoming call, the wireless telephone terminal performs ringing processing or the like to notify the outside line incoming call.

After that, the radio telephone terminal transmits a response signal to the radio base station when a response to the incoming call from the outside line is detected. When the main apparatus 101 receives a response to the incoming call from the wireless telephone terminal via the wireless base station (S1405),
An outside line LE to allow the wireless telephone terminal to make a call.
The D state signal and the voice connection request signal are transmitted to the wireless base station (S1406, S1407), the call path is connected and the call is in progress (S1408).

Further, the main unit 101 disconnects the wireless line between the wireless base station of group A and the wireless telephone terminal [S14].
01: NO].

The main unit 101 transmits a time signal and an idle display signal to the radio base stations of group A (S1409, S1).
After 410), a line disconnection request signal is transmitted (S14).
11). This process is performed for all the wireless base stations to which the wireless lines in the group A are connected (S1412).

Thereafter, the line disconnection confirmation signal from the radio telephone terminal of group A is received via the radio base station (S1).
413, S1414) and it is determined that the wireless line between the wireless base station of group A and the wireless telephone terminal is disconnected, and the call processing of the wireless telephone terminals in group B is performed.

In the present embodiment, the system accommodates only the radio telephone terminal, but if a data communication device such as a facsimile machine or a computer having a communication function is accommodated together with the radio telephone terminal, the By dividing the group of telephone terminals and the group of data communication terminals into the group of wireless telephone terminals to which the wireless line is connected at the time of the primary call, the wireless telephone terminals that require quick response can process incoming calls quickly. It can be performed. At this time, the data communication terminal, which may be slightly delayed in response, connects the wireless line when the terminal is designated by the secondary incoming call.

Also, the way of dividing the groups and the number of groups may be set by the operator by providing the main unit 101 with an operation unit.

As described above, according to the present invention, DI
Even in a service such as a D (Direct In Dial) service in which there is a secondary incoming call after a primary incoming call, it is possible to quickly notify the wireless communication terminal of the incoming call.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a system according to a first embodiment.

FIG. 2 is a block diagram showing a configuration of a wireless base station according to the first and second embodiments.

FIG. 3 is a block diagram showing a configuration of a wireless telephone terminal according to the first and second embodiments.

FIG. 4 is a flowchart showing the operation of the main device according to the first embodiment.

FIG. 5 is a flowchart showing the operation of the main device according to the first embodiment.

FIG. 6 is a flowchart showing the operation of the wireless base station according to the first embodiment.

FIG. 7 is a flowchart showing the operation of the wireless telephone terminal according to the first embodiment.

FIG. 8 is a flowchart showing the operation of the wireless telephone terminal according to the first embodiment.

FIG. 9 is a sequence chart showing the operation of the wireless communication system according to the first embodiment.

FIG. 10 is a sequence chart showing the operation of the wireless communication system according to the first embodiment.

FIG. 11 is a sequence chart showing the operation of the wireless communication system according to the first embodiment.

FIG. 12 is a configuration diagram of a system according to a second embodiment.

FIG. 13 is a flowchart showing the operation of the main device according to the second embodiment.

FIG. 14 is a flowchart showing the operation of the main device according to the second embodiment.

[Explanation of symbols]

 101 Main Unit of Button Telephone System 102 Telephone Line of General Subscriber Line / Private Branch Exchange 103 Station Line Interface 104 Extension of Button Telephone System 105 Extension Telephone Interface 106 Call Path 107 Control Unit 108 Storage Area Unit 109 Radio Base Station 110 Radio Telephone device

Claims (10)

[Claims] 1. A wireless communication system having a plurality of wireless communication terminals and a main device for accommodating the wireless communication terminals by a wireless line, the main device detecting means for detecting an incoming call to the wireless communication system; Analyzing means for analyzing a signal designating at least one wireless communication terminal of the wireless communication terminals, and at least one wireless communication terminal of the plurality of wireless communication terminals and a wireless line when an incoming call is detected by the detecting means. A wireless communication system, comprising: a connection unit for connecting to each other; and a notification unit for notifying an incoming call to the wireless communication terminal according to the analysis of the analysis unit via the wireless line. 2. The wireless communication system according to claim 1, wherein the connection unit disconnects a wireless line with a wireless communication terminal that is not notified of an incoming call by the notification unit. 3. The wireless communication system according to claim 1, wherein the main unit has a storage unit that stores the plurality of wireless communication terminals in groups, and the connection unit belongs to an arbitrary group stored in the storage unit. A wireless communication system characterized in that a wireless line is connected to a communication terminal. 4. The group stored in the storage means according to claim 3, is divided into a group of voice communication terminals and a group of data communication terminals, and the connection means connects the group of the voice communication terminals and a wireless line. A wireless communication system characterized by performing. 5. The incoming call to the wireless communication system according to claim 1, wherein the incoming call is a primary incoming call in DID (Direct In Dial), and at least one wireless communication terminal among the plurality of wireless communication terminals is used. The wireless communication system, wherein the designated signal is a secondary incoming call in DID. 6. A main device for accommodating the wireless communication terminal by a wireless line, the main device detecting means for detecting an incoming call, and a signal for designating at least one wireless communication terminal of the plurality of wireless communication terminals. Analyzing means for analyzing, a connecting means for connecting a wireless line to at least one wireless communication terminal of the plurality of wireless communication terminals when the detecting means detects an incoming call, and wireless communication according to the analysis of the analyzing means. A main device comprising a notification means for notifying a terminal of an incoming call via the wireless line. 7. The main apparatus according to claim 6, wherein the connection unit disconnects a wireless line with a wireless communication terminal that is not notified of an incoming call by the notification unit. 8. The wireless communication system according to claim 6, wherein the main unit has a storage unit that stores the plurality of wireless communication terminals by dividing them into groups, and the connection unit belongs to an arbitrary group stored in the storage unit. A main device characterized by connecting a wireless line to a communication terminal. 9. The group stored in the storage means according to claim 8, is divided into a group of voice communication terminals and a group of data communication terminals, and the connection means connects the group of the voice communication terminals and a wireless line. The main device characterized by performing. 10. The incoming call to the wireless communication system according to claim 6, is a primary incoming call in DID (Direct In Dial), and at least one wireless communication terminal among the plurality of wireless communication terminals is used. A main device characterized in that the designated signal is a secondary incoming call in DID.