WO1999014931A3 - Internet telephony call routing engine - Google Patents

Internet telephony call routing engine Download PDF

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Publication number
WO1999014931A3
WO1999014931A3 PCT/US1998/019254 US9819254W WO9914931A3 WO 1999014931 A3 WO1999014931 A3 WO 1999014931A3 US 9819254 W US9819254 W US 9819254W WO 9914931 A3 WO9914931 A3 WO 9914931A3
Authority
WO
WIPO (PCT)
Prior art keywords
preferences
gateways
routing engine
call
gateway
Prior art date
Application number
PCT/US1998/019254
Other languages
French (fr)
Other versions
WO1999014931A2 (en
Inventor
James Pleasant Gossett Dalton
Alcina De Figueiredo Dalton
Stephen Anthony Thomas
Maria Osterholt Cown
Rich Carroll Vaughn
Pawel Szczerbina
Brian Keith Lovette
Original Assignee
Transnexus Llc
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 Transnexus Llc filed Critical Transnexus Llc
Priority to AT98947052T priority Critical patent/ATE254374T1/en
Priority to JP2000512342A priority patent/JP2001517034A/en
Priority to DE69819756T priority patent/DE69819756D1/en
Priority to IL13513198A priority patent/IL135131A0/en
Priority to AU93926/98A priority patent/AU748468B2/en
Priority to CA002304214A priority patent/CA2304214C/en
Priority to EP98947052A priority patent/EP1016261B1/en
Publication of WO1999014931A2 publication Critical patent/WO1999014931A2/en
Publication of WO1999014931A3 publication Critical patent/WO1999014931A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H04L65/1106—Call signalling protocols; H.323 and related
    • 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
    • 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
    • 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
    • H04M15/49—Connection to several service providers
    • 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
    • H04M15/50—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for cross-charging network operators
    • 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
    • H04M15/56—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for VoIP communications
    • 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
    • H04M15/8044—Least cost routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/1285—Details of finding and selecting a gateway for a particular call
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6443—Network Node Interface, e.g. Routing, Path finding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6472—Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6481—Speech, voice
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6486—Signalling Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/202—VoIP; Packet switched telephony
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/42—Least cost routing, i.e. provision for selecting the lowest cost tariff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/46—Connection to several service providers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/52—Interconnection, inter-exchange, reseller billing, billing agreements between different operators, e.g. billing identifier added on the CDR in order to cross charge the other operator, inter-operator accounting, reconciliation, bill directly resellers customers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/74—Rating aspects, e.g. rating parameters or tariff determination apects
    • H04M2215/745—Least cost routing, e.g. Automatic or manual, call by call or by preselection

Abstract

The present invention discloses a centralized routing engine that is able to assist gateways in making routing decisions for calls being placed in an IP network environment. Types of calls include voice, fax, video, etc. The routing engine provides significant flexibility to the gateways by allowing the gateways to designate preferences that define operational limits or requirements. A source gateway operator may set preferences such as the maximum price that is willing to be paid for a call, the maximum delay that will be tolerated and the maximum autonomous system hop count that will be tolerated. A destination gateway operator is likely only to be concerned with setting price schedules as preferences. Gateway operators may also set 'preference criteria', which define the circumstances in which a certain set of preferences is to be applied. Based on preferences and preference criteria, the routing engine is able to locate destination gateways that are eligible to terminate a voice over telephony IP call. The routing engine provides a prioritized list of eligible destination gateways to the source gateway. The source gateway then works through the prioritized list and attempts to set up the voice over IP telephony call with each eligible destination gateway, until the call is established.
PCT/US1998/019254 1997-09-16 1998-09-16 Internet telephony call routing engine WO1999014931A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT98947052T ATE254374T1 (en) 1997-09-16 1998-09-16 ROUTING ARRANGEMENT FOR INTERNET TELEPHONE
JP2000512342A JP2001517034A (en) 1997-09-16 1998-09-16 Internet telephone call routing engine
DE69819756T DE69819756D1 (en) 1997-09-16 1998-09-16 GUIDANCE ARRANGEMENT FOR INTERNET TELEPHONY
IL13513198A IL135131A0 (en) 1997-09-16 1998-09-16 Internet telephony call routing engine
AU93926/98A AU748468B2 (en) 1997-09-16 1998-09-16 Internet telephony call routing engine
CA002304214A CA2304214C (en) 1997-09-16 1998-09-16 Internet telephony call routing engine
EP98947052A EP1016261B1 (en) 1997-09-16 1998-09-16 Internet telephony call routing engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5908797P 1997-09-16 1997-09-16
US60/059,087 1997-09-16

Publications (2)

Publication Number Publication Date
WO1999014931A2 WO1999014931A2 (en) 1999-03-25
WO1999014931A3 true WO1999014931A3 (en) 1999-05-14

Family

ID=22020770

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US1998/019337 WO1999014932A2 (en) 1997-09-16 1998-09-16 Gatekeeper for internet clearinghouse communications system
PCT/US1998/019254 WO1999014931A2 (en) 1997-09-16 1998-09-16 Internet telephony call routing engine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US1998/019337 WO1999014932A2 (en) 1997-09-16 1998-09-16 Gatekeeper for internet clearinghouse communications system

Country Status (9)

Country Link
US (1) US6426955B1 (en)
EP (1) EP1016261B1 (en)
JP (1) JP2001517034A (en)
AT (1) ATE254374T1 (en)
AU (2) AU9489198A (en)
CA (1) CA2304214C (en)
DE (1) DE69819756D1 (en)
IL (1) IL135131A0 (en)
WO (2) WO1999014932A2 (en)

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