System configuration of wireless PBX and communication method therefor
First Claim
Patent Images
1. A system configuration of wireless PBX comprising:
- a plurality of portable radio mobile means;
a plurality of radio base means connectable via radio channels to said portable radio mobile means for linking communications between said portable mobile means;
a private branch exchange connected via wire lines to said radio base means for supervising a relationship of interconnections among said portable radio mobile means;
each of said radio mobile means including means for generating a signal at a predetermined time interval, said signal containing a first identification number specifically assigned beforehand to each of said radio mobile means;
each of said radio base means including means for forming a packet upon reception of said signal and sending said packet to said private branch exchange, said packet being composed of said first identification number contained in said signal and a second identification number specifically assigned to each of said radio base means; and
said private branch exchange including a first memory for storing said first and second identification numbers contained in said packet received from said radio base means, while retaining a correspondence between said first and second identification numbers;
wherein when a subscriber to a first radio mobile means requests a communication by designating a second radio mobile means, said private branch exchange refers to said first memory and connects said first radio mobile means to said second mobile means via a radio base means in correspondence with said second radio mobile means; and
when said subscriber to said first radio mobile means requests a communication by designating an arbitrary radio base means, said private branch exchange refers to said first memory and connects said first radio mobile means to a specified radio mobile means in correspondence with said specified radio base means.
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Abstract
A system configuration of wireless PBX (Private Branch Exchange) and communication method therefor with high user facility. In the system configuration of wireless PBX and communication method therefor, a specified telephone number is assigned to each portable radio telephone and also to each radio base station disposed at a predetermined area interval. Not only a person can issue a call by designating another subscriber to a portable radio telephone, but also the person can call an arbitrary subscriber to a portable radio telephone present near at an arbitrary radio base station.
60 Citations
8 Claims
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1. A system configuration of wireless PBX comprising:
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a plurality of portable radio mobile means; a plurality of radio base means connectable via radio channels to said portable radio mobile means for linking communications between said portable mobile means; a private branch exchange connected via wire lines to said radio base means for supervising a relationship of interconnections among said portable radio mobile means; each of said radio mobile means including means for generating a signal at a predetermined time interval, said signal containing a first identification number specifically assigned beforehand to each of said radio mobile means; each of said radio base means including means for forming a packet upon reception of said signal and sending said packet to said private branch exchange, said packet being composed of said first identification number contained in said signal and a second identification number specifically assigned to each of said radio base means; and said private branch exchange including a first memory for storing said first and second identification numbers contained in said packet received from said radio base means, while retaining a correspondence between said first and second identification numbers; wherein when a subscriber to a first radio mobile means requests a communication by designating a second radio mobile means, said private branch exchange refers to said first memory and connects said first radio mobile means to said second mobile means via a radio base means in correspondence with said second radio mobile means; and when said subscriber to said first radio mobile means requests a communication by designating an arbitrary radio base means, said private branch exchange refers to said first memory and connects said first radio mobile means to a specified radio mobile means in correspondence with said specified radio base means. - View Dependent Claims (2, 3, 4, 5)
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6. A communication method practiced in a system configuration of wireless PBX, the system including a plurality of portable radio mobile means;
- a plurality of radio base means connectable via radio channels to said portable radio mobile means for linking communications between said portable mobile means; and
a private branch exchange connected via wire lines to said radio base means for supervising a relationship of interconnections among said portable radio mobile means;
said communication method comprising the steps of;causing each of said radio mobile means to generate a signal at a predetermined time interval, said signal containing a first identification number specifically assigned beforehand to each of said radio mobile means; causing each of said radio base means to form a packet upon reception of said signal and send said packet to said private branch exchange, said packet being composed of said first identification number contained in said signal and a second identification number specifically assigned to each of said radio base means; causing said private branch exchange to store in a first memory said first and second identification numbers contained in said packet received from said radio base means, while retaining a correspondence between said first and second identification numbers; when a subscriber to a first radio mobile means requests a communication by designating a second radio mobile means, causing said private branch exchange to refer to said first memory and connect said first radio mobile means to said second mobile means via a radio base means in correspondence with said second radio mobile means; and when said subscriber to said first radio mobile means requests a communication by designating a specified radio base means, causing said private branch exchange to refer to said first memory and connect said first radio mobile means to a specified radio mobile means in correspondence with said specified radio base means. - View Dependent Claims (7, 8)
- a plurality of radio base means connectable via radio channels to said portable radio mobile means for linking communications between said portable mobile means; and
Specification