Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
06/2009
06/04/2009DE102007056725A1 Verfahren zum bedingten Aufbauen einer Telekommunikationskonferenzsitzung, Telekommunikationskonferenz-Anordnung, und Telekommunikationskonferenzsitzungs-Server A method for constructing a conditional telecommunication conference session, telecommunication conference arrangement, and telecommunication conference session server
06/03/2009EP2066100A1 Method and apparatus for identifying occurrences of a given network address
06/03/2009EP2064905A2 Method for establishing voice communications using a mobile handset
06/03/2009EP1819098B1 Method and device for testing transmission loss of communication line
06/03/2009EP1234471B1 Method and devices for dialling services
06/03/2009EP1114541B8 Method and apparatus for providing integrated routing for pstn and ipnt calls in a call center
06/03/2009CN201252592Y Sugar-refinery agricultural telephone inquiry and automatic reporting system
06/03/2009CN101449569A Interactive natural language calling system
06/03/2009CN101449568A Mobile telephone, telephone number managing server, telephone number changing system, telephone number requesting method, and telephone number requesting program
06/03/2009CN101449567A Method and system for communicating incident scene information
06/03/2009CN101449566A Method and apparatus for preventing denial of service attacks on cellular infrastructure access channels
06/03/2009CN101448250A Method for changing operating characteristics of communication equipment in a remote way
06/03/2009CN101448048A Method for intelligently retrieving a high capacity telephone directory
06/03/2009CN101448047A Telephone bank calling system and total control equipment
06/03/2009CN101448046A Call-establishing method for realizing single-conversation color ring back tone service
06/03/2009CN101448045A Method for transmitting text during call connection process and system thereof
06/03/2009CN101448044A Method for playing color ring back tone without crosstalk based on SIP protocol
06/03/2009CN101447011A Test enabled application execution
06/03/2009CN100496152C Method and system for calling transfer for automatically generating new address based on location
06/03/2009CN100496150C Communication system and method for providing position information
06/03/2009CN100496136C Controlling method, secondary unit and radio terminal equipment
06/03/2009CN100496075C Service processing method executed by integrated value-added service system
06/03/2009CN100496074C Method for providing ring back tone
06/03/2009CN100496073C Mutimedia schedule processing method
06/03/2009CN100496072C Switchboard realizing method
06/03/2009CN100496071C Realizing method of fixed network short message terminal and device
06/03/2009CN100496070C Identification system of automatic answering equipment and its identification method
06/03/2009CN100496040C System and method for enhancing voice channel transmitting by means of intranet protocol
06/03/2009CN100496016C Method for routing data flow or data packet sequence
06/03/2009CN100495976C Fault detecting method and device thereof
06/03/2009CN100495973C Method and device for push-to-talk service
06/02/2009US7543025 Address inquiry system, computer software product, and address inquiry method
06/02/2009US7542909 Method, system, and apparatus for repairing audio recordings
06/02/2009US7542902 Information provision for call centres
06/02/2009US7542780 Method, apparatus and arrangement in a telecommunications network for providing control over and enabling advanced services and user interfaces in a mobile telephone
06/02/2009US7542773 Customized alerts for incoming data messages
06/02/2009US7542771 Wireless communication system having mobility-based content delivery
06/02/2009US7542770 Method for mobile unit location estimate in a wireless LAN
06/02/2009US7542768 Dynamic ring start delay based on multiple factors
06/02/2009US7542760 Wireless communication system, wireless communication control method, wireless communication apparatus, method of controlling the wireless communication apparatus, and computer program
06/02/2009US7542759 Method and apparatus for broadcasting software update information to mobile phones over a wireless communications network
06/02/2009US7542758 Field downloading of wireless device software
06/02/2009US7542757 Method, system, and computer program product for over-the-air download to satellite radio
06/02/2009US7542573 Providing apparatus, communication device, method, and program
06/02/2009US7542569 Security of data connections
06/02/2009US7542562 Method for automatically adapting levels of signals exchanged in a communication network
06/02/2009US7542561 Method and system for queuing calls based on call time commitment
06/02/2009US7542560 Guest services management service
06/02/2009US7542558 Informing caller of callee activity mode
06/02/2009US7542556 Apparatus and method for providing multiple line billing in telecommunications systems
06/02/2009US7542555 Computer-based multifunctional personal communication system with caller ID
06/02/2009US7542553 Interactive voice communications network entertainment
06/02/2009US7542550 System for testing subscriber lines and method thereof
06/02/2009US7542066 Communication terminal and method for controlling the same
06/02/2009CA2568095C Telephone status notification system
06/02/2009CA2567232C Recording using proxy servers
06/02/2009CA2564127C Systems and methods for endpoint recording
06/02/2009CA2479407C System and method for providing a message-based communications infrastructure for automated call center operation
06/02/2009CA2439035C Communications network
05/2009
05/28/2009WO2009067719A2 Method for determining the on-hold status in a call
05/28/2009WO2009067356A1 Method and system for adding a caller in a blocked list
05/28/2009WO2009066671A1 Message relay system with message relay server
05/28/2009WO2009066596A1 Communication system, communication method and shared-authentication apparatus
05/28/2009WO2009066595A1 Communication system, communication method, and server management device
05/28/2009WO2009066594A1 Communication system, communication method, and communication session integration device
05/28/2009WO2009066348A1 Communication control device and communication control method
05/28/2009WO2009065828A1 Method and device for processing data and to a communication system comprising such device
05/28/2009WO2009065468A1 Downloadable ringtones for usage in emergency situations
05/28/2009WO2009065322A1 A method, system and device for achieving the redirection
05/28/2009WO2009065305A1 Method, system and device for call connection
05/28/2009WO2009065208A1 Method and apparatus for enabling a calling party to leave a voice message for a called party in response to a command provided by the calling party
05/28/2009WO2009065207A1 Method and apparatus for enabling a calling party to leave a voice message for a called party
05/28/2009WO2009065195A1 Mobile roaming call-back method
05/28/2009WO2008051982A3 Content owner verification and digital rights management for automated distribution and billing platforms
05/28/2009WO2005109844A3 Enhanced call pickup
05/28/2009US20090138403 Right objects acquisition method and apparatus
05/28/2009US20090137236 Portable apparatus, method and user interface
05/28/2009US20090137234 Method for multi-party call in mobile station
05/28/2009US20090137231 Location privacy manager for a wireless communication device and method thereof
05/28/2009US20090137230 Radio transmitting apparatus and radio transmitting method
05/28/2009US20090137229 Intelligent communication
05/28/2009US20090137224 Computer-assisted telephony system
05/28/2009US20090136019 Method and apparatus for communicating information about a called party to a calling party
05/28/2009US20090136018 Method of and system for automatically switching between free directory assistance service and chargeable directory assistance service
05/28/2009US20090136017 System and method for processing telecommunication calls
05/28/2009US20090136016 Transferring a communication event
05/28/2009US20090136015 Incoming call challenger
05/28/2009US20090136014 Method for Determining the On-Hold Status in a Call
05/28/2009US20090136011 Telephone number-based advertising
05/28/2009US20090136010 Method and apparatus for telecommunications advertising
05/28/2009US20090136009 Knowledge Management, Capture and Modeling Tool for Multi-Modal Communications
05/28/2009US20090135811 Hybrid packet-switched and circuit-switched telephony system
05/28/2009US20090135742 Method and apparatus for negotiated message delivery
05/28/2009DE102007056157A1 Gruppenkommunikation in Telekommunikationsnetzen Group Communication in telecommunication networks
05/28/2009CA2706392A1 Method and apparatus for enabling a calling party to leave a voice message for a called party in response to a command provided by the calling party
05/28/2009CA2706046A1 Method for determining the on-hold status in a call
05/28/2009CA2705961A1 Method and apparatus for enabling a calling party to leave a voice message for a called party
05/27/2009EP2063622A1 Identifying callers in telecommunications networks
05/27/2009EP2063621A1 A mobile telephone call-back method run on the SIM card
05/27/2009EP2063620A1 Downloadable ringtones for usage in emergency situations