CA2352961A1 - Voice over data telecommunications network architecture - Google Patents
Voice over data telecommunications network architecture Download PDFInfo
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- CA2352961A1 CA2352961A1 CA002352961A CA2352961A CA2352961A1 CA 2352961 A1 CA2352961 A1 CA 2352961A1 CA 002352961 A CA002352961 A CA 002352961A CA 2352961 A CA2352961 A CA 2352961A CA 2352961 A1 CA2352961 A1 CA 2352961A1
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- 230000011664 signaling Effects 0.000 claims abstract 35
- 238000001514 detection method Methods 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000012217 deletion Methods 0.000 claims 2
- 230000037430 deletion Effects 0.000 claims 2
- 238000012986 modification Methods 0.000 claims 2
- 230000004048 modification Effects 0.000 claims 2
- 101000597193 Homo sapiens Telethonin Proteins 0.000 claims 1
- 102100026009 NF-kappa-B inhibitor zeta Human genes 0.000 claims 1
- 101710115530 NF-kappa-B inhibitor zeta Proteins 0.000 claims 1
- 102100035155 Telethonin Human genes 0.000 claims 1
Classifications
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- 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
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1023—Media gateways
- H04L65/1026—Media gateways at the edge
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- 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
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1033—Signalling gateways
- H04L65/1036—Signalling gateways at the edge
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- 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
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1043—Gateway controllers, e.g. media gateway control protocol [MGCP] controllers
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- 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
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- 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
- H04L65/1083—In-session procedures
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- 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
- H04L65/1104—Session initiation protocol [SIP]
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- 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
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- 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
- H04L65/40—Support for services or applications
- H04L65/401—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
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- 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
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/765—Media network packet handling intermediate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- 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
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- 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
- H04M7/1245—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 where a network other than PSTN/ISDN interconnects two PSTN/ISDN networks
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- 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
- H04M7/125—Details of gateway equipment
- H04M7/1255—Details of gateway equipment where the switching fabric and the switching logic are decomposed such as in Media Gateway Control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
- H04Q3/0025—Provisions for signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
- H04Q3/0029—Provisions for intelligent networking
- H04Q3/0045—Provisions for intelligent networking involving hybrid, i.e. a mixture of public and private, or multi-vendor systems
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
- H04L69/085—Protocols for interworking; Protocol conversion specially adapted for interworking of IP-based networks with other networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
Abstract
The present invention describes a system and method for communicating voice and data over a packet-switched network that is adapted to coexist and communicate with a legacy PSTN. The system permits packet switching of voice calls and data calls through a data network (112) from and to any of an LEC, a customer facility or a direct IP connection on the data network. The system includes soft switch sites (104, 106), gateway sites (108, 110), a data network (112), a provisioning component (117), a network event component (116) and a network management component (118). The system interfaces with customer facilities (128, 132) (e.g., a PBX) carrier facilities (126, 130) (e.g., an LEC) and legacy signaling networks (114) (e.g., SS7) to handle calls between any combination of on-network and off-network callers.
Claims (37)
1. A system for processing media traffic over at least one data network, comprising:
a media gateway for converting media traffic from a first media format to a second media format; and a soft switch for converting signaling information from a first signaling format to a second signaling format and for externally controlling said media gateway in response to said signaling information.
a media gateway for converting media traffic from a first media format to a second media format; and a soft switch for converting signaling information from a first signaling format to a second signaling format and for externally controlling said media gateway in response to said signaling information.
2. The system of claim 1, wherein said media gateway comprises:
a trunking gateway.
a trunking gateway.
3. The system of claim 2, wherein said first signaling format comprises:
an out of band signaling format.
an out of band signaling format.
4. The system of claim 3, wherein said out of band signaling format comprises:
an SS7 signaling format.
an SS7 signaling format.
5. The system of claim 4, wherein said second signaling format is selected from the group consisting of:
an H323 format:
a SIP format; and a packetized version of any one of ISDN format, Q.931 format, channel-associated signaling format and SS7 signaling format.
an H323 format:
a SIP format; and a packetized version of any one of ISDN format, Q.931 format, channel-associated signaling format and SS7 signaling format.
6. The system of claim 4, further comprising:
a signaling gateway for converting a first protocol suite used to transmit said signaling information to a second protocol suite.
a signaling gateway for converting a first protocol suite used to transmit said signaling information to a second protocol suite.
7. The system of claim 6, wherein said first protocol suit comprises:
a standard SS7 protocol suite.
a standard SS7 protocol suite.
8. The system of claim 7, wherein said second protocol suit is selected from the group consisting of:
TCAP messages encapsulated in IP packets;
ISUP messages encapsulated in IP packets;
INAP messages encapsulated in IP packets; and TUP messages encapsulated in IP packets.
TCAP messages encapsulated in IP packets;
ISUP messages encapsulated in IP packets;
INAP messages encapsulated in IP packets; and TUP messages encapsulated in IP packets.
9. The system of claim 1, wherein each of said first and second media formats are selected from the group consisting of:
a circuit switched format; and a packet switched format.
a circuit switched format; and a packet switched format.
10. The system of claim 9, wherein said circuit switched format is selected from the group consisting of:
a PCM encoded audio format;
a modem format; and a fax format.
a PCM encoded audio format;
a modem format; and a fax format.
11. The system of claim 10, wherein said packet switched format is selected from the group consisting of:
an ATM format;
an IP format; and a frame relay format.
an ATM format;
an IP format; and a frame relay format.
12. The system of claim 9, wherein said packet switched format is selected from the group consisting of:
an ATM format;
an IP format; and a frame relay format.
an ATM format;
an IP format; and a frame relay format.
13. The system of claim 1, wherein said soft switch externally controls said media gateway using a control protocol selected from the group consisting of internet protocol device control, simple gateway control protocol, media gateway control protocol, and H.323 format.
14. The system of claim 1, wherein said soft switch further comprises:
means for determining whether said media traffic received at said media gateway comprises a voice call or a data call;
means for instructing said media gateway to terminate the call at a modem for transmission over a first data network if the call is a data call; and means for instructing said media gateway to terminate said call at a second media gateway via an RTP connection over a second data network if the call is a voice call.
means for determining whether said media traffic received at said media gateway comprises a voice call or a data call;
means for instructing said media gateway to terminate the call at a modem for transmission over a first data network if the call is a data call; and means for instructing said media gateway to terminate said call at a second media gateway via an RTP connection over a second data network if the call is a voice call.
15. The system of claim 14, wherein said first data network and said second data network comprise the same data network.
16. The system of claim 1, further comprising:
a plurality of said media gateways; and a plurality of said soft switches, each soft switch being capable of converting signaling information from said first signaling format to said second signaling format and externally controlling each of said media gateways in response to said signaling information.
a plurality of said media gateways; and a plurality of said soft switches, each soft switch being capable of converting signaling information from said first signaling format to said second signaling format and externally controlling each of said media gateways in response to said signaling information.
17. The system of claim 1, wherein said soft switch comprises:
means for externally controlling low-level functionality of said media gateway in response to said signaling information, said low-level functionality including connection control, media control and device management.
means for externally controlling low-level functionality of said media gateway in response to said signaling information, said low-level functionality including connection control, media control and device management.
18. The system of claim 17, wherein said connection control functionality comprises creation, deletion and modification of connections.
19. The system of claim 17, wherein said media control functionality comprises detection and generation of media and bearer channel events.
20. The system of claim 17, wherein said device management functionality comprises detection of resource availability and state changes in said media gateway.
21. A system for processing media traffic over at least one data network, comprising:
a media gateway for converting signaling information from a first signaling format to a second signaling format and for converting media traffic from a first media format to a second media format, and a soft switch for externally controlling said media gateway in response to said signaling information.
a media gateway for converting signaling information from a first signaling format to a second signaling format and for converting media traffic from a first media format to a second media format, and a soft switch for externally controlling said media gateway in response to said signaling information.
22. The system of claim 21, wherein said media gateway comprises:
an access gateway.
an access gateway.
23. The system of claim 21, wherein said first signaling format comprises:
an in-band signaling format.
an in-band signaling format.
24. The system of claim 23, wherein said in-band signaling format is selected from the group consisting of:
an ISDN format; and a channel-associated signaling format.
an ISDN format; and a channel-associated signaling format.
25. The system of claim 24, wherein said second signaling format is selected from the group consisting of:
an H323 format;
an SIP format; and a packetized version of any one of ISDN format, Q.931 format, channel-associated signaling format and SS7 signaling format.
an H323 format;
an SIP format; and a packetized version of any one of ISDN format, Q.931 format, channel-associated signaling format and SS7 signaling format.
26. The system of claim 21, wherein each of said first and second media formats are selected from the group consisting of:
a circuit switched format; and a packet switched format.
a circuit switched format; and a packet switched format.
27. The system of claim 26, wherein said circuit switched format is selected from the group consisting of:
a PCM encoded audio format;
a 64kbps channel format;
a 56kbps channel format;
a modem format; and a fax format.
a PCM encoded audio format;
a 64kbps channel format;
a 56kbps channel format;
a modem format; and a fax format.
28. The system of claim 27, wherein said packet switched format is selected from the group consisting of:
wireless terrestrial format;
wireless satellite format;
ATM format;
IP format; and frame relay format.
wireless terrestrial format;
wireless satellite format;
ATM format;
IP format; and frame relay format.
29. The system of claim 26, wherein said packet switched format is selected from the group consisting of:
wireless terrestrial format;
wireless satellite format;
ATM format;
IP format; and frame relay format.
wireless terrestrial format;
wireless satellite format;
ATM format;
IP format; and frame relay format.
30. The system of claim 21, wherein said soft switch externally controls said media gateway using a control protocol selected from the group consisting of internet protocol device control, simple gateway control protocol and media gateway control protocol.
31. The system of claim 21, wherein said soft switch further comprises:
means for determining whether said media traffic received at said media gateway comprises a voice call or a data call;
means for instructing said media gateway to terminate the call at a modem for transmission over a first data network if the call is a data call; and means for instructing said media gateway to terminate said call at a second media gateway via an RTP connection over a second data network if the call is a voice call.
means for determining whether said media traffic received at said media gateway comprises a voice call or a data call;
means for instructing said media gateway to terminate the call at a modem for transmission over a first data network if the call is a data call; and means for instructing said media gateway to terminate said call at a second media gateway via an RTP connection over a second data network if the call is a voice call.
32. The system of claim 31, wherein said first data network and said second data network comprise the same data network.
33. The system of claim 21, further comprising:
a plurality of said media gateways; and a plurality of said soft switches, each soft switch being capable of converting signaling information from said first signaling format to said second signaling format and externally controlling each of said media gateways in response to said signaling information.
a plurality of said media gateways; and a plurality of said soft switches, each soft switch being capable of converting signaling information from said first signaling format to said second signaling format and externally controlling each of said media gateways in response to said signaling information.
34. The system of claim 21, wherein said soft switch comprises:
means for externally controlling low-level functionality of said media gateway in response to said signaling information, said low-level functionality including connection control, media control and device management.
means for externally controlling low-level functionality of said media gateway in response to said signaling information, said low-level functionality including connection control, media control and device management.
35. The system of claim 34, wherein said connection control functionality comprises creation, deletion and modification of connections.
36. The system of claim 34, wherein said media control functionality comprises detection and generation of media and bearer channel events.
37. The system of claim 34, wherein said device management functionality comprises detection of resource availability and state changes in said media gateway.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/197,203 | 1998-11-20 | ||
US09/197,203 US6614781B1 (en) | 1998-11-20 | 1998-11-20 | Voice over data telecommunications network architecture |
PCT/US1999/027658 WO2000031933A1 (en) | 1998-11-20 | 1999-11-22 | Voice over data telecommunications network architecture |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2352961A1 true CA2352961A1 (en) | 2000-06-02 |
CA2352961C CA2352961C (en) | 2011-02-01 |
Family
ID=22728451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2352961A Expired - Lifetime CA2352961C (en) | 1998-11-20 | 1999-11-22 | Voice over data telecommunications network architecture |
Country Status (5)
Country | Link |
---|---|
US (7) | US6614781B1 (en) |
EP (3) | EP2317710A3 (en) |
AU (1) | AU1631900A (en) |
CA (1) | CA2352961C (en) |
WO (1) | WO2000031933A1 (en) |
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1998
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-
1999
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- 1999-11-22 CA CA2352961A patent/CA2352961C/en not_active Expired - Lifetime
- 1999-11-22 EP EP10184126.0A patent/EP2317711B1/en not_active Expired - Lifetime
- 1999-11-22 EP EP99959070.6A patent/EP1131926B1/en not_active Expired - Lifetime
- 1999-11-22 WO PCT/US1999/027658 patent/WO2000031933A1/en active Application Filing
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2003
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2007
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2011
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DE10345017A1 (en) * | 2003-09-23 | 2005-04-14 | Deutsche Telekom Ag | Gateway and method for linking a packet-based IP network to a switched or PSTN network in which the gateway first queries a receiving terminal to determine if it is IP enabled and if so uses IP tunneling |
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EP2317710A3 (en) | 2012-04-11 |
EP1131926B1 (en) | 2014-09-03 |
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US20080025295A1 (en) | 2008-01-31 |
AU1631900A (en) | 2000-06-13 |
CA2352961C (en) | 2011-02-01 |
US20130070757A1 (en) | 2013-03-21 |
WO2000031933A1 (en) | 2000-06-02 |
EP1131926A4 (en) | 2005-08-31 |
EP2317711B1 (en) | 2018-04-11 |
US6614781B1 (en) | 2003-09-02 |
EP2317710A2 (en) | 2011-05-04 |
EP2317711A1 (en) | 2011-05-04 |
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