BUSY LAMP FIELD SYSTEM FOR REMOTE TELEPHONES AND METHOD FOR THE SAME
First Claim
1. A busy lamp field system for remote telephones, comprising:
- a plurality of switchboard systems, each switchboard system comprising;
a private branch exchange (PBX) connected to the internet; and
at least a telephone connected to the private branch exchange, the telephone housing having at least a busy lamp field (BLF) key set to associate with corresponding phone number of a remote telephone, wherein the remote telephone is a telephone of another switchboard system;
an extensible markup language (XML) server connected to each switchboard system via the internet and having an up-to-time table used for storing phone status of each telephone in each switchboard system;
wherein each telephone is connected to the XML server via the internet and periodically uploads to and stores local phone status in the up-to-time table, and each telephone retrieves the phone status of the remote telephone corresponding to the BLF key from the up-to-time table and displays the phone status via the BLF key.
1 Assignment
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Accused Products
Abstract
A busy lamp field (BLF) system for remote telephones and a method for the same are disclosed. The busy lamp field system for remote telephones mainly has a plurality of switchboard systems and a XML server interconnected via the internet. Each switchboard system has a PBX and at least a telephone. Each telephone is connected to the XML server via internet and periodically uploads local phone status. The BLF key of each telephone is set to associate with a corresponding specific remote telephone by a subscriber of each telephone. Each telephone periodically retrieves the phone status of the corresponding remote telephone from the XML server displayed on the BLF key of the local telephone. Thus, a subscriber monitors status of a remote telephone and dials out via each PBX in addition to extension telephone of the local switchboard system.
12 Citations
9 Claims
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1. A busy lamp field system for remote telephones, comprising:
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a plurality of switchboard systems, each switchboard system comprising; a private branch exchange (PBX) connected to the internet; and at least a telephone connected to the private branch exchange, the telephone housing having at least a busy lamp field (BLF) key set to associate with corresponding phone number of a remote telephone, wherein the remote telephone is a telephone of another switchboard system; an extensible markup language (XML) server connected to each switchboard system via the internet and having an up-to-time table used for storing phone status of each telephone in each switchboard system; wherein each telephone is connected to the XML server via the internet and periodically uploads to and stores local phone status in the up-to-time table, and each telephone retrieves the phone status of the remote telephone corresponding to the BLF key from the up-to-time table and displays the phone status via the BLF key. - View Dependent Claims (2, 3, 4)
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5. A method for remote telephones having busy lamp field used among a plurality of switchboard systems, wherein each switchboard system respectively having at least a telephone, the method for remote telephones having busy lamp field comprising:
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a) setting a busy lamp field (BLF) key of the telephone set to associate with corresponding phone number of a remote telephone, wherein the remote telephone is a telephone in another switchboard system; b) connecting each telephone to an extensible markup language (XML) server via the internet; c) retrieving the phone status of the remote telephone in the XML server periodically; and d) displaying phone status of the remote telephone via the BLF key of the telephone. - View Dependent Claims (6, 7, 8, 9)
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Specification