H04M - Telephonic communication

More topics under "H04M - Telephonic communication" (383,243)
H04M 1 - Substation equipment, e.g. for use by subscribers (168,223)
H04M 11 - Telephonic communication systems specially adapted for combination with other electrical systems (53,055)
H04M 13 - Party-line systems (159)
H04M 15 - Arrangements for metering, time-control or time-indication (14,957)
H04M 17 - Prepayment telephone systems (5,258)
H04M 19 - Current supply arrangements for telephone systems (7,475)
H04M 3 - Automatic or semi-automatic exchanges (99,881)
H04M 5 - Manual exchanges (1,342)
H04M 7 - Arrangements for interconnection between switching centres (24,777)
H04M 9 - Arrangements for interconnection not involving centralised switching (8,105)
H04M 99 - Subject matter not provided for in other groups of this subclass (11)

Patents for H04M - Telephonic communication (1,054)
02/2005
02/03/2005	US20050025101 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
02/03/2005	US20050025097 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
02/03/2005	US20050025094 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
01/2005
01/27/2005	WO2005009006A2 Premium voice services for wireless communications systems
01/27/2005	US20050018636 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
01/19/2005	CN1185851C Reconfigurable on-demand telephone and data line system
01/18/2005	US6845102 Method and system for network access over a low bandwidth link
01/13/2005	WO2004012423A3 Aural user interface
01/11/2005	US6842440 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
01/06/2005	WO2005002184A2 A method for enhancing the acoustic echo cancellation system using residual echo filter
01/06/2005	WO2005002183A2 Statistical adaptive-filter controller
01/05/2005	CN1183688C Communication protocol between a communication device and an external accessory
12/2004
12/30/2004	US20040264686 Statistical adaptive-filter controller
12/30/2004	US20040264654 Methods and systems for notification of call to device
12/29/2004	WO2004077796A3 Method and apparatus for providing conference call announcement using sip signalling in a communication system
12/23/2004	WO2004112353A2 Mobile telephone charger for a two-wheeler vehicles
12/23/2004	WO2004039042A8 System and method for delivering data services in integrated wireless networks
12/23/2004	US20040258229 System and method for managing telephony network resources
12/16/2004	WO2004110031A2 Current sense circuit in a line powered network element
12/16/2004	WO2004066592A3 The advanced digital audio contents service system and its implementation method for mobile wireless device on wireless and wired internet communication network
12/16/2004	WO2004056073A3 System and method for providing multimedia messaging service (mms) ringing images on mobile calls
12/09/2004	WO2004107086A2 Method for reducing the cost of handling incoming/outgoing phone calls
12/09/2004	US20040250002 Accessory control interface
12/09/2004	CA2527985A1 Method for reducing the cost of handling incoming/outgoing phone calls
12/08/2004	EP1483871A2 Accessory control interface
12/02/2004	WO2004105357A2 Dynamic balance control for telephone
12/02/2004	WO2004105356A2 Wireless local positioning system
12/02/2004	US20040240663 Current sense circuit in a line powered network element
11/2004
11/30/2004	US6826388 Mobile communication apparatus including dividers in transmitter and receiver
11/25/2004	WO2004064357A3 Data conversion server for voice browsing system
11/25/2004	US20040235497 Wireless local positioning system
11/25/2004	US20040234069 Dynamic balance control for telephone
11/25/2004	US20040233979 Long range broadband modem
11/23/2004	US6823493 Word recognition consistency check and error correction system and method
11/18/2004	WO2004100582A1 Operating system for a mobile phone
11/18/2004	WO2004100504A2 Color image compression via spectral decorrelation and elimination of spatial redundancy
11/11/2004	WO2004098158A2 Usb dictation device
11/11/2004	WO2004097447A1 A system and a method for managing the power consumption of a tracking device
11/11/2004	WO2004014048A3 Wireless prepaid payphone system and cost control application
11/11/2004	CA2523599A1 Usb dictation device
11/10/2004	EP1474015A1 Personal device fastening system
11/04/2004	WO2004095810A2 Dynamic sequencing of timeslots in wireless communication systems
11/04/2004	WO2004066594A3 Word recognition consistency check and error correction system and method
11/04/2004	US20040218812 Color image compression via spectral decorrelation and elimination of spatial redundancy
10/2004
10/28/2004	WO2004057839A3 System and method for routing voice/video/fax mail and viewing a fax document
10/28/2004	US20040215452 USB dictation device
10/28/2004	US20040213212 Methods and systems for automatic communication line management based on device location
10/27/2004	CN1173540C Communication device
10/20/2004	CN2650411Y Scanning processor for direct connecting mobile phone transmission digital information
10/14/2004	WO2004068823A3 System and method for identifying a caller using associated sounds
10/14/2004	US20040203886 Contextual information management in wireless communications devices and methods therefor
10/14/2004	US20040203737 System and method for delivering data services in integrated wireless networks
10/14/2004	US20040202303 Method and apparatus for providing conference call announcement using SIP signalling in a communication system
09/2004
09/30/2004	US20040190474 Dynamic sequencing of timeslots in wireless communication systems
09/28/2004	US6796467 Device for the quick and easy use of a small size cellular telephone
09/23/2004	WO2004082244A2 Method and system for playing packetized announcements to telephone network end office switching systems from a centralized digital recorded announcement unit
09/22/2004	CN1168334C Wireless push-to-talk internet broadcast
09/16/2004	WO2004049615A3 Methods and systems for automatic forwarding of communications to a preferred device
09/16/2004	US20040179658 Method and system for playing packetized announcements to telephone network end office switching systems from a centralized digital recorded announcement unit
09/15/2004	EP0879527B1 Training process for signal classification apparatus
09/10/2004	WO2004077863A1 A telephony system and a method of operating same
09/10/2004	WO2004077796A2 Method and apparatus for providing conference call announcement using sip signalling in a communication system
09/08/2004	CN1166151C 可折叠的便携式电话 Foldable portable telephone
09/08/2004	CN1166107C Communication equipment and system
09/01/2004	CN1526196A Reduced soft output information packet selection
08/2004
08/26/2004	WO2004049614A3 Methods and systems for call management with user intervention
08/26/2004	WO2004049608A3 Methods and systems for conference call buffering
08/19/2004	WO2004071053A2 Method and system for requesting photographs
08/19/2004	WO2004049676A3 Methods and systems for remote call establishment
08/19/2004	WO2004049130A3 Methods and systems for directory information lookup
08/12/2004	WO2004068823A2 System and method for identifying a caller using associated sounds
08/12/2004	WO2004008719A3 Self-booting software defined radio module
08/12/2004	US20040156494 System and method for efficient call management for directory assistance services
08/12/2004	US20040156482 Arrangement for line-testing
08/05/2004	WO2004066595A2 Mobile wireless computer system including devices and methods related thereto
08/05/2004	WO2004066594A2 Word recognition consistency check and error correction system and method
08/05/2004	WO2004066592A2 The advanced digital audio contents service system and its implementation method for mobile wireless device on wireless and wired internet communication network
08/05/2004	WO2004049677A3 Methods and systems for computer enhanced conference calling
08/05/2004	WO2004049132A3 Method and apparatus for adaptive message notification
08/05/2004	US20040152485 Method and system for requesting photographs
08/04/2004	CN1518829A Alphanumeric message composing method using telephone keyboard
08/03/2004	US6771667 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
07/2004
07/29/2004	WO2004064357A2 Data conversion server for voice browsing system
07/29/2004	US20040148284 Word recognition consistency check and error correction system and method
07/22/2004	WO2004049121A3 Methods and systems for automatic communication line management based on device location
07/22/2004	US20040141636 Unified system and method for animal behavior characterization in home cages using video analysis
07/22/2004	US20040141635 Unified system and method for animal behavior characterization from top view using video analysis
07/15/2004	US20040137941 Mobile communication apparatus
07/15/2004	US20040137853 Mobile communication apparatus
07/14/2004	CN1513233A Compact hands-free adapter for use with cellular telephone
07/08/2004	WO2004057839A2 System and method for routing voice/video/fax mail and viewing a fax document
07/08/2004	US20040131254 System and method for object identification and behavior characterization using video analysis
07/08/2004	CA2507278A1 System and method for routing voice/video/fax mail and viewing a fax document
07/01/2004	WO2004056073A2 System and method for providing multimedia messaging service (mms) ringing images on mobile calls
07/01/2004	WO2004049136A3 Methods and systems for a call log
07/01/2004	WO2004039042A3 System and method for delivering data services in integrated wireless networks
06/2004
06/24/2004	WO2004036878A3 A system and method for efficient call management for directory assistance services
06/24/2004	WO2004032460A3 Method for providing a subscriber-based ringback tone sound stored in a mobile exchanger
06/24/2004	WO2004028118A3 System and method for providing usage monitoring telephony services
06/24/2004	US20040121818 System and method for providing multimedia messaging service (MMS) ringing images on mobile calls

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