GB2335825B - Dual-circuit telephony - Google Patents

Dual-circuit telephony

Info

Publication number: GB2335825B
Authority: GB; United Kingdom
Prior art keywords: dual; circuit telephony; telephony; circuit
Prior art date: 1998-03-27
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

GB9905575A

Other versions

GB9905575D0 (en

GB2335825A (en

Inventor

Richard Mcbride

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

3Com Technologies Ltd

Original Assignee

3Com Technologies Ltd

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.)

1998-03-27

Filing date

1999-03-12

Publication date

2001-07-18

1998-03-27 Priority claimed from GBGB9806595.6A external-priority patent/GB9806595D0/en

1999-03-12 Application filed by 3Com Technologies Ltd filed Critical 3Com Technologies Ltd

1999-03-12 Priority to GB9905575A priority Critical patent/GB2335825B/en

1999-05-05 Publication of GB9905575D0 publication Critical patent/GB9905575D0/en

1999-09-29 Publication of GB2335825A publication Critical patent/GB2335825A/en

2001-07-18 Application granted granted Critical

2001-07-18 Publication of GB2335825B publication Critical patent/GB2335825B/en

2019-03-12 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Data Exchanges In Wide-Area Networks (AREA)

GB9905575A 1998-03-27 1999-03-12 Dual-circuit telephony Expired - Fee Related GB2335825B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9905575A GB2335825B (en)	1998-03-27	1999-03-12	Dual-circuit telephony

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GBGB9806595.6A GB9806595D0 (en)	1998-03-27	1998-03-27	Dual-circuit telephony
GB9905575A GB2335825B (en)	1998-03-27	1999-03-12	Dual-circuit telephony

Publications (3)

Publication Number	Publication Date
GB9905575D0 GB9905575D0 (en)	1999-05-05
GB2335825A GB2335825A (en)	1999-09-29
GB2335825B true GB2335825B (en)	2001-07-18

Family

ID=26313374

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9905575A Expired - Fee Related GB2335825B (en)	1998-03-27	1999-03-12	Dual-circuit telephony

Country Status (1)

Country	Link
GB (1)	GB2335825B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10057981A1 (en) *	2000-11-22	2002-05-23	Alcatel Sa	Call signalisation information transfer method for internet protocol network terminal uses special logic transmission channel
EP1348165A4 (en) *	2000-12-26	2009-01-28	Polycom Inc	SYSTEM AND METHOD FOR COORDINATING A CONFERENCE USING A FIXED SERVER
GB0115996D0 (en) *	2001-06-29	2001-08-22	Nokia Corp	Circuit-switched and packet-switched communications
GB2395393B (en) *	2002-07-25	2004-10-27	Samsung Electronics Co Ltd	Method for performing external call forwarding between internet and telephone network in a web-phone sysyem
DE102005013951A1 (en) *	2004-12-09	2006-10-05	Deutsche Telekom Ag	Method and arrangement for setting up a VoIP connection
CN104980982A (en) *	2014-04-01	2015-10-14	中兴通讯股份有限公司	Method and device switching voice service between CS domain and PS domain and mobile terminals

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1998005145A1 (en) *	1996-07-25	1998-02-05	Walter Jay Weingarten	Telephonic systems for communication over computer networks
GB2334176A (en) *	1998-02-05	1999-08-11	Matsushita Electric Industrial Co Ltd	Setting-up internet calls using ISDN signalling
EP0946023A1 (en) *	1998-03-17	1999-09-29	Sagem S.A.	Real time communication method through an information network such as Internet and system for implementing the method

1999
- 1999-03-12 GB GB9905575A patent/GB2335825B/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1998005145A1 (en) *	1996-07-25	1998-02-05	Walter Jay Weingarten	Telephonic systems for communication over computer networks
GB2334176A (en) *	1998-02-05	1999-08-11	Matsushita Electric Industrial Co Ltd	Setting-up internet calls using ISDN signalling
EP0946023A1 (en) *	1998-03-17	1999-09-29	Sagem S.A.	Real time communication method through an information network such as Internet and system for implementing the method

Also Published As

Publication number	Publication date
GB9905575D0 (en)	1999-05-05
GB2335825A (en)	1999-09-29

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Legal Events

Date	Code	Title	Description
2007-11-28	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20070312