Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 3 - Automatic or semi-automatic exchanges
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
05/2010
05/12/2010CN201467245U Copper cable-based disconnection-free communication service system
05/12/2010CN201467234U 485 communication circuit capable of automatically controlling transmitting and receiving
05/12/2010CN201467231U Children mobile phone capable of realizing remote monitoring
05/12/2010CN201467228U Cellphone for regulating and controlling blood sugar in exercise and online expert diagnosis system
05/12/2010CN201467135U Remote centralized monitoring system for short-wave transmitter
05/12/2010CN201463901U Special service type navigation terminal and system
05/12/2010CN1997067B A method and system for playing color ring
05/12/2010CN1984176B Server and system for managing personal information and information synchronization controlling method thereof
05/12/2010CN1984174B Method for transmitting personal receipt message by SMS receiving terminal
05/12/2010CN1984173B Method for acquiring customized receipt message by SMS transmitting terminal
05/12/2010CN1984120B Method for assuring bill document and primary data consistence during the process of dual system switch
05/12/2010CN1981508B VoIP device test system and test method
05/12/2010CN1972475B System for reducing waiting time delay in group communication network in controller or communication equipment
05/12/2010CN1972344B A method of GPS-based menu scheduling service
05/12/2010CN1968112B IMS-based voice-conference voting system and network device
05/12/2010CN1964397B Conference presence based music-on-hold suppression system and method
05/12/2010CN1961566B Method for testing line equipment provided with an off-hook sensor, and line equipment for implementing said method
05/12/2010CN1946243B System and method for forming a communication network
05/12/2010CN1946120B Method and system for realizing telephone list association
05/12/2010CN1929520B Method, system and background music platform for realizing preview of background music service
05/12/2010CN1925524B Method and apparatus for realizing calling switching in soft exchanging communication network
05/12/2010CN1921518B Recording equipment, store server, recording system and method and playback system and method
05/12/2010CN1913549B System and method of real-time monitoring for monoboard clock signal
05/12/2010CN1897617B Method for managing schedul in mobile communication system
05/12/2010CN1893476B Device for automatically testing and monitoring network gate characteristics
05/12/2010CN1882003B Office direction interconnection and intercommunication testing method between networks
05/12/2010CN1875639B Automatic personal playlist generation with implicit user feedback
05/12/2010CN1859594B Method and device for displaying communication number
05/12/2010CN1859488B System and method for real time selecting audible ringing tone
05/12/2010CN1859480B Method and system for receiving and setting multiple color ringing tone
05/12/2010CN1859475B Method and system for realizing multimedia audible ringing tone
05/12/2010CN1835530B Communication interface and testing method therefore
05/12/2010CN1801866B Call waiting answering method
05/12/2010CN1771683B System and method for preventing phantom data communication links
05/12/2010CN1750568B Data service control system and control network and service control method
05/12/2010CN1729460B Communication method, communication system, relay system, mail distribution system and method
05/12/2010CN1640160B Dialing using indirect addressing methods
05/12/2010CN1633652B Videoconference system playback controlling system, server and display method
05/12/2010CN1620049B Providing to the sender of a message an identifier of the service provider associated with the recipient of the message
05/12/2010CN1613249B Directory delivery system and method for a digital subscriber line modem
05/12/2010CN1607800B A method for implementing enhanced call control and network system thereof
05/12/2010CN1602084B Automatic calling transferring system
05/12/2010CN1520197B Method and apparatus for implementing call processing in packet telephony networks
05/12/2010CN1498029B Emergency call-back method
05/12/2010CN1476220B Method and apparatus used for supporting centralized voice message box service in distribution type telephone network
05/12/2010CN1453956B Method and structure of telecommunication network
05/12/2010CN1427977B Method for attaching authentication bar code and authentication method
05/12/2010CN101707755A Missed call processing method and mobile terminal
05/12/2010CN101707754A Simulated HLR mode based method and platform for realizing service of no disturbance unless urgency
05/12/2010CN101707749A Method for transmitting notification messages with a view to delivering multimedia messages to telecommunication devices configured as multimedia message sinks
05/12/2010CN101707746A Method and device for realizing number-changing notification service in present network color ring system
05/12/2010CN101707727A Historical phone number list based phone number level rearrangement method
05/12/2010CN101707726A Method for intelligently allocating dynamic channels for telecom services
05/12/2010CN101707659A Technology of transmitting information on calling number of extension in FxO interface
05/12/2010CN101707657A Position system of call center
05/12/2010CN101707656A Method and device for querying remaining balance
05/12/2010CN101707655A Universal method for realizing service nesting by adopting virtual call agents
05/12/2010CN101707654A Pulse signal sender for communication of public switched telephone network
05/12/2010CN101707640A Push-to-talk (PTT) voice mobile phone terminal, communication service system and communication service method thereof
05/12/2010CN101707609A Method and apparatus for connecting packet telephony calls between secure and non-secure networks
05/12/2010CN101707593A Conference system based on tree-shaped servers, PC client sides and telephone terminals
05/12/2010CN101193161B Voice information service system and its method for realizing voice information service
05/12/2010CN101179623B Equipment failure process and alarm method in communication system
05/12/2010CN101175228B Implementing method for supporting variable length data structure in intelligent network
05/12/2010CN101170454B A method and system for monitoring data collection and summary status
05/12/2010CN101150745B Method and system for playing fixing sound of different counties in communication network
05/12/2010CN101128805B Connection supporting device and gateway device
05/12/2010CN101123656B A short distance wireless communication system and method for connecting multiple sub-communication systems
05/12/2010CN101123648B Self-adapted method in phone voice recognition
05/12/2010CN101115019B Peer-to-peer networking file sharing service network structure
05/12/2010CN101110860B Voice note system and implementing method thereof
05/12/2010CN101094427B System and method for collecting signaling message from whole network
05/12/2010CN101090515B Broadband value-added service operation system
05/12/2010CN101087201B Phone trading payment system and method
05/12/2010CN101060694B A mobile access line hunting method
05/12/2010CN101043558B Communication apparatus and method for avoiding deadlock of terminal equipment
05/12/2010CN101039348B Method for distinguishing and processing two kinds of dialing fault of soft switching users
05/12/2010CN101031004B Method for realizing on-hook triggering service
05/12/2010CN101031000B System and method for utilizing wide-band color bell by narrow-band user
05/12/2010CN101030999B System and method for utilizing narrow-band color bell by wide-band user
05/12/2010CN101027894B A method and apparatus for multimedia communication
05/12/2010CN101026387B Automatic stream control device, control method and circuit comprising the device and RS-485 interface chip
05/12/2010CN101014069B Recording apparatus for dispatching communication system
05/11/2010USRE41330 Digital radio telephone for a digital mobile radio communication system
05/11/2010US7716571 Multidimensional scorecard header definition
05/11/2010US7716346 Communication parameter setting method, setting server, and setting program
05/11/2010US7716311 Method and apparatus for monitoring of switch resources using resource group definitions
05/11/2010US7715872 Video calling method capable of providing video through third display
05/11/2010US7715855 Method and apparatus optimizing receipt of call/broadcast paging messages by self-powered wireless communications devices
05/11/2010US7715835 Method and apparatus for administering mobile client devices across locations
05/11/2010US7715834 Wireless communication system, device, and method of setting up wireless communication adapter
05/11/2010US7715833 Mobile telephone device and data-management method
05/11/2010US7715832 Mobile terminal and a method for implementing the guardianship function
05/11/2010US7715831 Methods, systems, and devices for detecting and indicating loss of proximity between mobile devices
05/11/2010US7715830 Safeguarding user data stored in mobile communications devices
05/11/2010US7715829 Method and apparatus for supporting enhanced international dialing in cellular systems
05/11/2010US7715828 Wireless communication device with call screening
05/11/2010US7715824 System for identifying mobile terminal device automatically and value added service access
05/11/2010US7715820 Method for connecting a call in a mobile station during an emergency situation
05/11/2010US7715781 System, method and computer program product for receiving data from a satellite radio network
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