WO2001097546A1 - Dispositif d'appels telephoniques et procede d'utilisation de telephones sans fils - Google Patents

Dispositif d'appels telephoniques et procede d'utilisation de telephones sans fils Download PDF

Info

Publication number
WO2001097546A1
WO2001097546A1 PCT/KR2000/001242 KR0001242W WO0197546A1 WO 2001097546 A1 WO2001097546 A1 WO 2001097546A1 KR 0001242 W KR0001242 W KR 0001242W WO 0197546 A1 WO0197546 A1 WO 0197546A1
Authority
WO
WIPO (PCT)
Prior art keywords
wireless phone
call
attached
main extension
phone
Prior art date
Application number
PCT/KR2000/001242
Other languages
English (en)
Inventor
Seung-Mok Kang
Original Assignee
Hansung Comtech, Inc.
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 Hansung Comtech, Inc. filed Critical Hansung Comtech, Inc.
Priority to AU11760/01A priority Critical patent/AU1176001A/en
Publication of WO2001097546A1 publication Critical patent/WO2001097546A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8083—Rating or billing plans; Tariff determination aspects involving reduced rates or discounts, e.g. time-of-day reductions or volume discounts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/55—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for hybrid networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01—Details of billing arrangements
    • H04M2215/0184—Details of billing arrangements involving reduced rates or discounts, e.g. time-of-day reductions, volume discounts, cell discounts, group billing, frequent calling destination(s) or user history list
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/32—Involving wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/44—Charging/billing arrangements for connection made over different networks, e.g. wireless and PSTN, ISDN, etc.

Definitions

  • the present invention relates to a telephone call device and a method thereof and in particular to wireless phone that connects the calls between internal subscriber and the other party.
  • the user can take various predetermined discounts .
  • a primary object of the present invention is to provide a telephone call device that incorporates wireless phone unit in the device that lowers the phone calling rate for the calls between the internal wire callers and receivers and external wireless phone users .
  • Another object of the present invention is to provide a method and process in which the cost savings can be realized when calls are made between internal wire users and external wireless users .
  • a telephone calling device including: a wireless phone that is attached to an internal extension terminal; and a switching control unit that allows internal subscriber to use the wireless phone attached to the extension terminal to call external wireless phone and/or allows internal subscriber to receive the calls from external wireless phone with the wireless phone attached to the extension terminal.
  • a telephone calling method wherein internal subscriber' s calls to external wireless phone are processed by the portable wireless gateway unit connected to the main extension terminal, and the incoming calls from external wireless phone are received by the portable wireless gateway unit connected to the main extension terminal.
  • Fig. 1 is a block diagram illustrating a telephone call device in accordance with the present invention
  • Fig. 2 is a flowchart showing call-making operation in the telephone call device in accordance with the present invention.
  • Fig. 3 is a flowchart showing a call-receiving operation in the telephone call device in accordance with the present invention.
  • Fig. 1 is a block diagram illustrating the telephone call device using the wireless phone.
  • Reference numeral 10 illustrates a PBX installed inside of a subscriber's building that connects internal subscriber to external subscriber.
  • This PBX (10) uses subscriber's extension lines to connect internal subscriber to internal subscriber, internal subscriber to external subscriber, and external subscriber to internal subscriber.
  • One designated line among the extension lines (hereinafter, referred to as ⁇ main extension' ) gets connected to the wireless phone via DAA, Data Access Arrangement (12)
  • DAA verifies the ring signals and hooks off the OH (Off-Hook) terminal.
  • the line is busy, it hooks on the OH terminal with controller (24) .
  • the ring signals are perceived by the wireless phone, DAA gets hooked off by the controller (24) .
  • RI terminal of DAA is a ring indicator terminal.
  • Reference numeral 16 is a spectrum analyzer that informs subscriber's extension connection to the Controller (24) after analyzing the busy signals or calling signals, in order to see whether the connection was completed or failed.
  • Reference numeral 18 is a DTMF receiver that recognizes the DTMF (Dual Tome Multi-Frequency) signals entered by the internal subscriber calling external subscriber.
  • DTMF Direct Tome Multi-Frequency
  • Reference numeral 20 is a DTMF transceiver that generates the DTMF signal sound of main extension.
  • Reference numeral 22 is a spectrum generator that generates calling signal (ex. 440Hz calling signal), which notifies that the internal subscriber is connected to the wireless phone (14) when calling the external subscriber.
  • calling signal ex. 440Hz calling signal
  • Above Controller (24 ) manages the interaction between DAA (12 ) and wireless phone (14 ) , and the interaction among spectrum analyzer (16) , DTMF Receiver (18) , DTMF Transceiver (20) , and spectrum generator. Serial data transfers are made between the controller (24) and the wireless phone through ATM (Asynchronous transfer mode) using DM (diagnostic Monitor) mode.
  • ATM Asynchronous transfer mode
  • DM diagnostic Monitor
  • Reference numeral 26 is a Echo canceller installed in between DA (12) and the wireless phone.
  • Echo canceller offsets the echo component within the digital signal and sends it to the wireless ' phone .
  • the internal subscriber receives the call, it offsets the echo component within the digital signal and sends it to the DAA.
  • above echo canceller (26) makes duplicated signal of the echo signal from the signals being delivered, and it sends out this signal after the reverberation time of the relevant delivery channel offsetting the echo signal .
  • Flowchart in Fig 2 shows the calling process between the internal subscriber who makes the call using wire phone and the receiver who receives the call with wireless phone.
  • the ring signals are delivered to the DAA (12) through the extension terminal of PBX (12), then the DAA (12) learns of Ring On condition ("Yes" at phase 100)
  • the DAA (12) sends the signal to inform the ring on condition to the controller through RI terminal, and maintains the hook off condition.
  • the controller (24) sends the calling signals by controlling the spectrum generator (phase
  • DTMF Receiver perceives the DTMF signals entered by the internal subscriber and sends it over to the controller (24 ) -
  • the controller (24) turns the dial tone off by controlling the spectrum generator (22) , and initializes the key entering time (Phase 240) .
  • the controller (24) translates the DTMF data into a phone number and memorizes it.
  • Controller turns the wireless phone on automatically and conveys the phone number it memorized to the wireless phone (phase 180) . This is how the call gets connected through the wireless phone to the receiving party (phase 190 ) .
  • the Controller By verifying the ring signals (Phase 200) with wireless phone (14), the Controller (24 ) checks whether the DAA is hooked on or off
  • the controller (24) hooks the DAA off (phase 230) , and causes DTMF transceiver (20) to extract the DTMF signals of the main extension number.
  • the controller (25) can tell whether the line is busy or not based on the signals of main extension sent by the spectrum analyzer (16) Based on the above verification, if the line is busy ("Yes at phase 240), the controller (24 ) hooks the DAA (12) on and then transfers to the next assigned number (s) other than the main extension number (phase 260) . After this, the controller comes back to phase 220 and repeats the process. Objective of operation in phase 260 is to transfer the call to the other designated number. When the main extension line is busy, the controller reads the busy signals and it generates the DTMF signals of next designated extension number (s) by controlling the DTMF transceiver in order to connect the call. Present invention allows up to 3 designated numbers other than the main extension number.
  • the internal subscriber communicates with the external caller through above main extension number.
  • the Controller (2 ) informs the incoming call through the wireless phone, so that the internal subscriber can talk to the external caller.
  • the spectrum analyzer (16) checks if the DAA (12) is hooked on, and if it is, the spectrum analyzer (16) informs the situation to the controller (24), and the controller (24) initializes the call- making and call-receiving.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

L'invention porte sur un dispositif d'appels téléphoniques et le procédé associé et en particulier sur un dispositif d'appels téléphoniques amélioré permettant d'abaisser les tarifs des communications depuis des postes internes vers des téléphones extérieurs sans fil ou l'inverse. A cet effet, l'invention utilise une unité de passerelle mobile sans fil reliée au poste intérieur, une unité de commutation à central intégré d'accès direct au réseau de communications sans fil sans devoir passer par un RTPC (réseau public commuté).
PCT/KR2000/001242 2000-06-12 2000-11-01 Dispositif d'appels telephoniques et procede d'utilisation de telephones sans fils WO2001097546A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU11760/01A AU1176001A (en) 2000-06-12 2000-11-01 Telephone calling device and method using wireless phone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2000/32206 2000-06-12
KR1020000032206A KR20010111655A (ko) 2000-06-12 2000-06-12 휴대형 이동 단말기를 이용한 전화통화장치 및 방법

Publications (1)

Publication Number Publication Date
WO2001097546A1 true WO2001097546A1 (fr) 2001-12-20

Family

ID=19671753

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2000/001242 WO2001097546A1 (fr) 2000-06-12 2000-11-01 Dispositif d'appels telephoniques et procede d'utilisation de telephones sans fils

Country Status (3)

Country Link
KR (1) KR20010111655A (fr)
AU (1) AU1176001A (fr)
WO (1) WO2001097546A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040044776A (ko) * 2002-11-22 2004-05-31 에스케이텔레텍주식회사 국선전화기용 듀얼톤 다주파수 신호를 발생시키기 위한방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594777A (en) * 1992-08-26 1997-01-14 Telecom Finland Oy Wireless private branch exchange system for use with mobile communication devices
US5887255A (en) * 1996-06-28 1999-03-23 Marris Corporation Multiple use wireless communications system and method
US6075985A (en) * 1997-01-23 2000-06-13 Nortel Networks Corporation Wireless access system with DID and AIOD functions
US6081716A (en) * 1995-05-04 2000-06-27 Interwave Communications, Inc. Wireless private branch exchange

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07307979A (ja) * 1994-05-10 1995-11-21 Canon Inc 構内交換システム
JP3131867B2 (ja) * 1995-03-13 2001-02-05 日本電気エンジニアリング株式会社 移動体通信端末用構内交換機
KR100320908B1 (ko) * 1999-05-25 2002-02-04 서평원 사설교환망과 이동통신망간의 호 처리 방법
KR100320910B1 (ko) * 1999-05-25 2002-02-04 서평원 무선 중계선 접속 시스템을 이용한 사설교환망과 이동통신망간의호 처리 방법
KR20000030071A (ko) * 1999-09-22 2000-06-05 신이권 구내 무선통신용 착/발신 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594777A (en) * 1992-08-26 1997-01-14 Telecom Finland Oy Wireless private branch exchange system for use with mobile communication devices
US6081716A (en) * 1995-05-04 2000-06-27 Interwave Communications, Inc. Wireless private branch exchange
US5887255A (en) * 1996-06-28 1999-03-23 Marris Corporation Multiple use wireless communications system and method
US6075985A (en) * 1997-01-23 2000-06-13 Nortel Networks Corporation Wireless access system with DID and AIOD functions

Also Published As

Publication number Publication date
AU1176001A (en) 2001-12-24
KR20010111655A (ko) 2001-12-20

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