HK1002137A1 - Communication system having isdn signalling capability - Google Patents

Communication system having isdn signalling capability

Info

Publication number
HK1002137A1
HK1002137A1 HK98101198A HK98101198A HK1002137A1 HK 1002137 A1 HK1002137 A1 HK 1002137A1 HK 98101198 A HK98101198 A HK 98101198A HK 98101198 A HK98101198 A HK 98101198A HK 1002137 A1 HK1002137 A1 HK 1002137A1
Authority
HK
Hong Kong
Prior art keywords
communication system
signalling capability
isdn signalling
isdn
capability
Prior art date
Application number
HK98101198A
Other languages
English (en)
Inventor
Albert D Baker
Wayne D Farmer
Richard E Henderson
Thomas C Prewitt
Mary Elise Ricker
David Bruce Rucinski
Albert V Toy
Jerry S Weltman
Original Assignee
At & T 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 At & T Corp filed Critical At & T Corp
Publication of HK1002137A1 publication Critical patent/HK1002137A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0457—Connection protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/216—Code signals; Framing (not synchronizing)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/22—PBX

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
HK98101198A 1990-11-21 1998-02-16 Communication system having isdn signalling capability HK1002137A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/616,961 US5278972A (en) 1990-11-21 1990-11-21 Communication system for converting ISDN signaling protocol between local and public network having first group of mandatory elements and second group of non-mandatory elements

Publications (1)

Publication Number Publication Date
HK1002137A1 true HK1002137A1 (en) 1998-07-31

Family

ID=24471706

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98101198A HK1002137A1 (en) 1990-11-21 1998-02-16 Communication system having isdn signalling capability

Country Status (7)

Country Link
US (1) US5278972A (xx)
EP (1) EP0487234B1 (xx)
JP (1) JPH0720153B2 (xx)
KR (1) KR0126461B1 (xx)
CA (1) CA2053594C (xx)
DE (1) DE69126402T2 (xx)
HK (1) HK1002137A1 (xx)

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US6181703B1 (en) * 1995-09-08 2001-01-30 Sprint Communications Company L. P. System for managing telecommunications
US5920562A (en) * 1996-11-22 1999-07-06 Sprint Communications Co. L.P. Systems and methods for providing enhanced services for telecommunication call
US5926482A (en) * 1994-05-05 1999-07-20 Sprint Communications Co. L.P. Telecommunications apparatus, system, and method with an enhanced signal transfer point
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CA2146892C (en) * 1994-06-03 2000-01-11 Albert D. Baker Interface arrangement for providing isdn basic rate interface full channel service
JP3522882B2 (ja) * 1995-03-22 2004-04-26 株式会社東芝 プロトコル切換方法
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US5953407A (en) * 1996-12-05 1999-09-14 Nortel Networks Corporation Distinctive ringing and distinctive call-waiting tones in an ISDN
US6125122A (en) * 1997-01-21 2000-09-26 At&T Wireless Svcs. Inc. Dynamic protocol negotiation system
FI104398B (fi) * 1997-02-25 2000-01-14 Nokia Networks Oy Menetelmä kytkentöjen purkamiseksi
KR100222433B1 (ko) 1997-02-28 1999-10-01 윤종용 종합정보통신망 키폰시스템에서 망접속회로의구성방법
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US6418461B1 (en) * 1997-10-06 2002-07-09 Mci Communications Corporation Intelligent call switching node in an intelligent distributed network architecture
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US6888833B1 (en) * 1998-12-22 2005-05-03 Sprint Communications Company L.P. System and method for processing call signaling
US7079530B1 (en) * 1999-02-25 2006-07-18 Sprint Communications Company L.P. System and method for caching toll free number information
US7103068B1 (en) * 1999-05-04 2006-09-05 Sprint Communication Company L.P. System and method for configuring bandwidth transmission rates for call connections
US6895088B1 (en) 1999-05-21 2005-05-17 Sprint Communications Company L.P. System and method for controlling a call processing system
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Also Published As

Publication number Publication date
DE69126402D1 (de) 1997-07-10
JPH0720153B2 (ja) 1995-03-06
KR920011141A (ko) 1992-06-27
KR0126461B1 (ko) 1997-12-26
EP0487234A2 (en) 1992-05-27
CA2053594A1 (en) 1992-05-22
JPH04290341A (ja) 1992-10-14
EP0487234B1 (en) 1997-06-04
CA2053594C (en) 1999-03-09
EP0487234A3 (en) 1993-05-05
US5278972A (en) 1994-01-11
DE69126402T2 (de) 1997-12-18

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)