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Class Information
Number: 379/219
Name: Telephonic communications > Plural exchange network or interconnection
Description: Subject matter including a system having more than one exchange (e.g, switching office), or a circuit connection therebetween.


Sub-classes under this class:

Class Number Class Name Patents
379/221.15 Connection call model (e.g., virtual network, displayed models) 57
379/226 Having a manual exchange 3
379/229 Interexchange signalling 579
379/225 Multi-pbx interconnection 136
379/221.14 Routing parameter (e.g., area code, address, service provider identifier) 180
379/224 Tandem switching center 62
379/222 Toll center 37
379/220.01 With interexchange network routing 532


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
6785377 Data calls using both constant bit rate and variable bit rate connections Aug. 31, 2004
6785374 Method and apparatus for providing transaction capabilities application part information in a session initiation protocol system Aug. 31, 2004
6785375 Communications system Aug. 31, 2004
6778656 Telecommunications system, service control point and method for establishing at least one new dialing plan utilizing the traditional international dialing plan Aug. 17, 2004
6775373 System for and method of channel associated signaling backhaul in a routing system Aug. 10, 2004
6775372 System and method for multi-stage data logging Aug. 10, 2004
6771763 Method and apparatus for providing efficient VoDSL gateway-to-gateway communication Aug. 3, 2004
6771758 Reconciling database information among service providers Aug. 3, 2004
6768732 Configuration for data transmission via a communication network Jul. 27, 2004
6760427 Computer telephony (CT) network serving multiple telephone switches Jul. 6, 2004
6754332 Object oriented system and method for directing incoming telephone calls Jun. 22, 2004
6754327 Standalone ACD system with native signaling system 7 capability Jun. 22, 2004
6751672 Efficient dynamic home agent discovery algorithm and system Jun. 15, 2004
6748070 Method for allocating network resources Jun. 8, 2004
6745244 Method and system for integrated wireline and wireless services in a switching system Jun. 1, 2004
6738471 Method and system for ensuring a PSTN protocol restart procedure as defined by the V5 standard May. 18, 2004
6735621 Method and apparatus for messaging between disparate networks May. 11, 2004
6731743 AIN query redirection May. 4, 2004
6731738 Call tones in communication networks May. 4, 2004
6724880 Method and apparatus for sparing communications circuits Apr. 20, 2004
6724879 Method for transmitting operation and maintenance functions in a telecommunications system Apr. 20, 2004
6724881 Optimization of connection paths in a communications network Apr. 20, 2004
6721413 Method and apparatus for observing and controlling a multi-layered communication network Apr. 13, 2004
6718027 System and method for performing a task with telephone line settings on a switch through a telephone call Apr. 6, 2004
6718031 Method and system for call tracing Apr. 6, 2004
6714978 Method and system for processing records in a communications network Mar. 30, 2004
6711249 Common gateway to call control systems Mar. 23, 2004
6711240 Systems and methods for per use message delivery Mar. 23, 2004
6711159 Load balancing among media gateways Mar. 23, 2004
6704408 Method and system for connecting a wireline telephone to a wireline switch in a wireline telecommunications network Mar. 9, 2004
6694313 Method for compression of a telephone number database in a telecommunications system, and a corresponding telecommunications system Feb. 17, 2004
6687364 Service provision in a telecommunications network Feb. 3, 2004
6687365 Unified method and apparatus to simplify telephone area code dialing Feb. 3, 2004
6687363 Method of designing signaling networks for internet telephony Feb. 3, 2004
6678371 Direct customer control of a network router Jan. 13, 2004
6671366 Method of connecting calls Dec. 30, 2003
6671361 Telecommunications system and method relating to telecommunications services with number translation Dec. 30, 2003
6665391 Auditing of charges in an integrated prevalidation and ordering system Dec. 16, 2003
6665390 Services node routing service Dec. 16, 2003
6662005 Data access in a telephone system Dec. 9, 2003
6661888 Method for moving telecommunications customers onto a network Dec. 9, 2003
6661887 Service interaction in an intelligent network Dec. 9, 2003
6647110 Method and system for reconfiguration of an interface Nov. 11, 2003
6647109 Network telephony Nov. 11, 2003
6643705 Routing of electronic messages using a routing map and a stateful script engine Nov. 4, 2003
6643709 Device and method for transporting and converting protocol messages from one protocol into another Nov. 4, 2003
6628769 Intelligent network Sep. 30, 2003
6628774 Method of routing interlata network traffic Sep. 30, 2003
6628778 Automatic relay method and storage medium containing automatic relay processing program Sep. 30, 2003
6621897 Multichannel dynamic telephone link and method of operating it Sep. 16, 2003

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