Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
11/2006
11/08/2006EP1169816B1 Methods and systems for providing database node access control functionality in a communications network routing node
11/08/2006EP1008258B1 Network-based conference system
11/08/2006EP0741884B1 Funds transaction device
11/08/2006CN2836358Y 电话线路状态检测电路 Telephone line state detection circuit
11/08/2006CN2836357Y Narrow-band user board
11/08/2006CN1860812A Method of matching between a mobile phone and a personal card
11/08/2006CN1860774A Method for remotely associating a communications device with a computer terminal
11/08/2006CN1860763A Network entity for interconnecting SIP end-points of different capabilities
11/08/2006CN1860705A Transmit channel request messaging for half-duplex voice communications systems
11/08/2006CN1859803A Group call resource cheeking method
11/08/2006CN1859699A Traffic volume detecting tool of radio network controller and radio network system
11/08/2006CN1859693A User flow fault analyzing method in WCDMA system base station
11/08/2006CN1859689A Test calling method of mobile communication system
11/08/2006CN1859687A System and method for maintaining and testing radio system
11/08/2006CN1859672A Updating method and device for increasing combined objects
11/08/2006CN1859650A Method for monitoring cluster service process and cluster communication system
11/08/2006CN1859628A Method for providing connected numbers
11/08/2006CN1859621A System and method for transmitting service short message
11/08/2006CN1859619A Method and system for realizing short message forward transfer
11/08/2006CN1859617A Information interactive method for realizing free charge of mobile phone user
11/08/2006CN1859613A Short message filtering system and method
11/08/2006CN1859602A Precisely positioned interactive making friends method
11/08/2006CN1859594A Method and device for displaying communication number
11/08/2006CN1859593A Method and system for reporting service voice code
11/08/2006CN1859590A Method and device for processing multiple service
11/08/2006CN1859589A Call processing method and device
11/08/2006CN1859536A Telecommunication service classification charging method and system
11/08/2006CN1859528A System and method for realizing communication net quasi real time charging
11/08/2006CN1859515A Method for realizing conference telephone
11/08/2006CN1859514A Method for telephone conference with multiple remote users using blue tooth device by gateway
11/08/2006CN1859513A Method for supporting telephone conference by blue tooth voice gateway
11/08/2006CN1859512A Method, system and device for realizing three-party talking in radio cut in system
11/08/2006CN1859511A Telephone conference voice mixing method
11/08/2006CN1859510A Method for realizing controllable call transfer service
11/08/2006CN1859509A Method for transfering information presentation before call and user device paging method
11/08/2006CN1859508A NGN call transfer method and system
11/08/2006CN1859507A Method for realizing voice mailbox and leaving message informing in radio push-to-talk service
11/08/2006CN1859506A Method for realizing interactive voice
11/08/2006CN1859505A Bill checking system and method
11/08/2006CN1859504A Call responding method using short message cut-in as main and relative call responding system
11/08/2006CN1859503A System and method for realizing electronic advertisement service on cluster network
11/08/2006CN1859502A Main call shielding method, device and its use
11/08/2006CN1859501A Telephone calling method
11/08/2006CN1859500A Method and device for making prompting information
11/08/2006CN1859499A Method for transfering audible ringing tone mark to network side
11/08/2006CN1859498A Method for realizing telephone number leasing
11/08/2006CN1859497A System for individual number audible ringing tone service and broadcasting method
11/08/2006CN1859496A System and method for realizing multimedia color ring service
11/08/2006CN1859495A Method and system for insuring service chain service quality
11/08/2006CN1859494A Method and system for realizing group color ring
11/08/2006CN1859493A Method for providing background sound for calling and called users set with audible ringing tone
11/08/2006CN1859492A Method for providing audible ringing tone
11/08/2006CN1859491A Free interferencing method
11/08/2006CN1859490A Method and system for realizing called user selecting payment service
11/08/2006CN1859489A System and method for unloading called user audible ringing tone relative content by main call user
11/08/2006CN1859488A System and method for real time selecting audible ringing tone
11/08/2006CN1859487A Method for realizing telephone set main call user's name display and telephone set
11/08/2006CN1859486A Mobile phone forum type information
11/08/2006CN1859485A System for realizing advertisement using andible ringing tone
11/08/2006CN1859484A Method and system for realizing voice recording in half-duplex communication
11/08/2006CN1859483A Called number obtaining method based on access code trigger intelligent service
11/08/2006CN1859482A Method and system for providing real time audible ringing tone
11/08/2006CN1859481A System and method for opening audible ringing tone service
11/08/2006CN1859480A Method and system for receiving and setting multiple color ringing tone
11/08/2006CN1859479A System and method for setting individual audible ringing information
11/08/2006CN1859478A Method and system for providing real time audible ringing tone
11/08/2006CN1859477A Method and system for fixing telephone call in intelligent net
11/08/2006CN1859476A Group audible ringing tone system and its service realizing method
11/08/2006CN1859475A Method and system for realizing multimedia audible ringing tone
11/08/2006CN1859474A Method and system for generating dynamic service menu of mobile communication terminal
11/08/2006CN1859473A Method and system for realizing audible ringing tone service
11/08/2006CN1859472A System and method for realizing incremental service
11/08/2006CN1859471A Method for providing called user's information to main call user
11/08/2006CN1859470A System and method for realizing communication net bit number ascending
11/08/2006CN1859469A Method for configurating shared channel resource
11/08/2006CN1859468A Broad-narrow band-in-one-board with detecting function and detecting method
11/08/2006CN1859467A 4 line N+1 backup and its detecting circuit
11/08/2006CN1859466A Method and device for detecting sensitive element in communication line
11/08/2006CN1859465A Method for detecting exchanger voice quality problem, exchanger and relay interface chip
11/08/2006CN1859464A Comprehensive detector for communication access device
11/08/2006CN1859463A Analogue realizing method and its system for calling center artificial seat resource
11/08/2006CN1859462A Method, system and device for realizing automatic switching
11/08/2006CN1859461A Realtime refreshing method and system based shared parameter list
11/08/2006CN1859460A Monitoring method based on service volume in remote verification dial user service environment
11/08/2006CN1859459A Method for checking and managing ISUP crcuit resource between exchangers
11/08/2006CN1859458A Method for testing local telephone cable frequency response
11/08/2006CN1859457A Method for generating quality detecting data of calling center
11/08/2006CN1859456A Binding O port system of external exchanging service port and its realizing method
11/08/2006CN1859449A Communication terminal and method for playing ringback sound while its main calling
11/08/2006CN1859334A Method for distributing content information
11/08/2006CN1859328A Method for realizing value-added service based on multimedia news service
11/08/2006CN1859145A Medium stream control method and its device
11/08/2006CN1859138A Service downloading method
11/08/2006CN1859136A 计费系统和计费方法 Billing systems and billing methods
11/08/2006CN1284407C Communication system, relay element, and content server
11/08/2006CN1284386C System and method of routing
11/08/2006CN1284343C Multi-carrier transmission system, transmission unit and transmission method thereof
11/08/2006CN1284335C Calling route selecting method based on predicted MOS
11/08/2006CN1284320C Wideband CDMA universal land radio connection network system
11/07/2006USRE39376 System for accessing amenities through a public telephone network