JPS5642441A - Car centralized extension system - Google Patents

Car centralized extension system

Info

Publication number
JPS5642441A
JPS5642441A JP11788079A JP11788079A JPS5642441A JP S5642441 A JPS5642441 A JP S5642441A JP 11788079 A JP11788079 A JP 11788079A JP 11788079 A JP11788079 A JP 11788079A JP S5642441 A JPS5642441 A JP S5642441A
Authority
JP
Japan
Prior art keywords
call
dispatching
group
car telephone
box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP11788079A
Other languages
Japanese (ja)
Other versions
JPS5830778B2 (en
Inventor
Noriteru Shinagawa
Sadaatsu Okasaka
Kyuichi Kamisaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP54117880A priority Critical patent/JPS5830778B2/en
Publication of JPS5642441A publication Critical patent/JPS5642441A/en
Publication of JPS5830778B2 publication Critical patent/JPS5830778B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W99/00—Subject matter not provided for in other groups of this subclass

Abstract

PURPOSE:To make a call in safety during car drive and also to quicken the call, by connecting a mobile station to the dispatching box of the group to which the mobile station belongs in group mode only setting the handset off the hook. CONSTITUTION:On the detection of call signal 500 of automatic telephone set 308 via radio base station 307 by controller 304 of car telephone exchange 302, a dispatching box with a dispatching box number stored at a memory place that corresponds to the car telephone set is called, when a group-mode call is judged from mode display part 203 (204 is the car telephone number) in call signal 500, and then connected via switch network 304. When unit 304 detects a call from dispatching box 301, unit 304 connects dispatching box 301 to general displatching distributor 306 via network 303 to attain access to car telephone numbers stored at memory places corresponding to dispatching boxes successively and then connects responding car telephone sets to unit 306 via network 303 in sequence. Therefore, a call to the dispatching box of the group to which the caller belongs can be made in group mode only by putting the handset off the hook and general dispatching can be attained.
JP54117880A 1979-09-17 1979-09-17 Car group telephone system Expired JPS5830778B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54117880A JPS5830778B2 (en) 1979-09-17 1979-09-17 Car group telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54117880A JPS5830778B2 (en) 1979-09-17 1979-09-17 Car group telephone system

Publications (2)

Publication Number Publication Date
JPS5642441A true JPS5642441A (en) 1981-04-20
JPS5830778B2 JPS5830778B2 (en) 1983-07-01

Family

ID=14722521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54117880A Expired JPS5830778B2 (en) 1979-09-17 1979-09-17 Car group telephone system

Country Status (1)

Country Link
JP (1) JPS5830778B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230338A (en) * 1983-06-13 1984-12-24 Nec Corp Radiotelephone exchange system
US4821310A (en) * 1987-12-22 1989-04-11 Motorola, Inc. Transmission trunked radio system with voice buffering and off-line dialing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230338A (en) * 1983-06-13 1984-12-24 Nec Corp Radiotelephone exchange system
JPH048973B2 (en) * 1983-06-13 1992-02-18
US4821310A (en) * 1987-12-22 1989-04-11 Motorola, Inc. Transmission trunked radio system with voice buffering and off-line dialing

Also Published As

Publication number Publication date
JPS5830778B2 (en) 1983-07-01

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