Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
05/2009
05/05/2009US7529325 Voice and data exchange over a packet based network with timing recovery
05/05/2009US7529253 IP packet ready PBX expansion circuit for a conventional personal computer with expandable, distributed DSP architecture
05/05/2009US7529225 System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet
05/05/2009US7529213 Method and arrangement for signalling in a wireless IP multimedia network and a wireless IP multimedia network terminal device
05/05/2009US7529200 Method and system for fast setup of group voice over IP communications
04/2009
04/30/2009WO2008020430A3 Voice over ip forwarding
04/30/2009WO2008007385A3 Method for controlling advanced multimedia features and supplementary services in sip-based phones and a system employing thereof
04/30/2009US20090110180 Local route groups and transformation patterns
04/30/2009US20090110179 Technique for providing personalized information and communication services
04/30/2009US20090110176 Method to collect and manage smart dialplan for session initiation protocol devices
04/30/2009US20090110174 Caller treatment in a sip network
04/30/2009US20090109959 System and method for providing requested quality of service in a hybrid network
04/30/2009US20090109881 Voice and data exchange over a packet based network
04/30/2009US20090109879 Managing a packet switched conference call
04/30/2009US20090109846 Priority-aware hierarchical communication traffic scheduling
04/30/2009DE19952607B4 Verfahren und Kommunikationsnetz zum Bereitstellen eines oder mehrerer Leistungsmerkmale einem beliebigen Teilnehmer Procedures and communication network for providing one or more features to any participant
04/29/2009EP2053882A1 Method and device for data processing in a network and communication system comprising such device
04/29/2009EP2053811A1 A media getaway and a statistically reporting method
04/29/2009EP1415447B1 Method and apparatus for practicing ip telephony from an internet-capable radio
04/29/2009EP1016260B1 Method to use a conventional telephone set to make telephone calls on a packet network
04/29/2009CN101422028A Techniques for facilitating emergency calls
04/29/2009CN101422027A Method and apparatus for placing a long distance call based on a virtual phone number
04/29/2009CN101420637A Method for large call traffic test using session initial protocol caller
04/29/2009CN101420434A P2P method for supporting VoIP communication
04/29/2009CN101420266A Pre-allocation resource location determining method based on semi-continuous scheduling
04/29/2009CN100484304C Method and media network gateway for implementing conversation in packet-packet model
04/29/2009CN100484176C Terminal of a packet-switching communication network terminal and method for operating a communication system with a packet-switching communication network
04/29/2009CN100484170C Extended handset function and mobility
04/28/2009US7526281 Method and device for establishing a conference call between a plurality of user terminals of a communication network
04/28/2009US7526252 Information communication system information communication device and information communication method and computer program
04/28/2009US7526080 Integrated disparate intelligent peripherals
04/28/2009US7526078 System and method for communicating data during an audio conference
04/28/2009US7526077 Call hold signaling
04/28/2009US7525997 Methods and systems for communicating SS7 messages over packet-based network using transport adapter layer interface
04/28/2009US7525955 Internet protocol (IP) phone with search and advertising capability
04/28/2009US7525928 System and process for discovery of network-connected devices at remote sites using audio-based discovery techniques
04/28/2009US7525918 Using RTCP statistics for media system control
04/23/2009WO2009050700A1 Providing web-activated callback by just dialling and pressing the call button
04/23/2009WO2009049915A1 Impersonal mobile communication for internet communities
04/23/2009WO2008020323A3 Call-routing device connected to company's telecom infrastructure
04/23/2009WO2007093945A3 Sending urgent messages to multiple recipients via a single call
04/23/2009WO2007024061A3 Billing and telecom portal service
04/23/2009US20090106443 Embedding a Session Description Message in a Real-Time Control Protocol (RTCP) Message
04/23/2009US20090103573 Voice and Data Exchange Over a Packet Based Network With DTMF
04/23/2009US20090103525 Release link trunking for ip telephony
04/23/2009US20090103513 Communications terminal, a system and a method for internet/network telephony
04/23/2009US20090103459 Internet phone system and directory search engine using same
04/22/2009EP2051471A1 Pseudonymous mobile communication for internet communities
04/22/2009EP2050289A1 Call identification mechanism for multi-protocol telephones
04/22/2009EP2050265A1 System making it possible to hook up voip users and distributed analog resources
04/22/2009EP1730944A4 Method and apparatus to allow customers to initiate call center contact
04/22/2009EP1334600B1 Securing voice over ip traffic
04/22/2009CN101416480A Method for call setup time improvement for 3G-234M
04/22/2009CN101416479A Customised playback telephony services
04/22/2009CN101415213A Method, system and apparatus for notifying voice call information
04/22/2009CN101415128A Method, apparatus for sharing signaling message load, and signaling transmission system
04/22/2009CN101415051A Communication terminal device and communication transmission method
04/22/2009CN100481856C Method for controlling announcements and interactive responses in an exchange
04/22/2009CN100481830C Method for transferring useful data flow in a packet network, packet converter and system
04/22/2009CN100481059C Preferred modalities or channels for identifying and establishing communications
04/21/2009US7522720 Method for managing data in an automatic call distribution system
04/21/2009US7522719 System and method for server based conference call volume management
04/21/2009US7522718 Telephony service invocation using service descriptors
04/21/2009US7522710 Personalizable and customizable feature execution for IP telephony using operational semantics and deontic task trees
04/21/2009US7522638 Method and system for preventing data loss in a real-time computer system
04/21/2009US7522586 Method and system for tunneling wideband telephony through the PSTN
04/21/2009US7522582 Embedded WEB phone module
04/21/2009US7522580 Edge device and method for interconnecting SS7 signaling points (SPs) using edge device
04/21/2009US7522578 Packet network telecommunication system
04/21/2009US7522542 Dial up telephone conferencing system controlled by an online computer network
04/16/2009WO2006093622A3 System and method for routing calls
04/16/2009WO2005011174A3 Method and systems for default routing in a signaling network
04/16/2009US20090100027 Methods, Systems, and Products for Managing Communications
04/16/2009US20090097627 Apparatus and method for providing enhanced telecommunications services
04/16/2009US20090097626 Systems and methods for implementing call pickup in a sip environment
04/15/2009EP2048860A1 Telephone Call Processing Method and Apparatus
04/15/2009EP2047667A2 Methods, systems and computer program products for routing and processing enum queries
04/15/2009EP1332435A4 Network telephony appliance and system supporting wireless internet telephony
04/15/2009CN101411175A Routing of telecommunications
04/15/2009CN101409751A Method, apparatus and system for transferring dual-tone multi-frequency signal
04/15/2009CN101409746A Method and system for detecting telephone signal tone facing to call centre
04/15/2009CN101409609A Method and apparatus for high-efficiency reliable voice transmission in wireless system
04/15/2009CN101409598A Talking method and apparatus
04/15/2009CN101409597A Talking method and apparatus
04/15/2009CN100479593C Gateway, and method and system for processing calling control between mobile network and radio network
04/15/2009CN100479425C Method for protecting VOIP digital signal processing channel
04/14/2009US7519732 Routing service method in voice over internet protocol system
04/14/2009US7519379 Multimedia message center and telecommunication device for accessing stored multimedia messages
04/14/2009US7519172 Implementing feature interactions between an AIN-based service and a switch-based forwarding service
04/14/2009US7519061 Internet telephone and communicating method
04/14/2009US7518984 IP-PBX, IP-PBX system, IP terminal control program
04/14/2009CA2334219C Integrated voice and data communications over a local area network
04/09/2009WO2009045849A1 Inbound call identification and management
04/09/2009WO2009043697A1 Method and communication terminal device for exchanging data during or after a communication connection
04/09/2009WO2008117206A3 Mapping mechanism for access network segregation
04/09/2009WO2006086215A3 Multi-tenant self-service vxml portal
04/09/2009WO2005053200A3 Multi-platform capable inference engine and universal grammar language adapter for intelligent voice application execution
04/09/2009US20090092130 Network switching system with asynchronous and isochronous interface
04/09/2009US20090092040 Methods and systems for selecting modulation in an orthogonal frequency division multiplexing system
04/09/2009DE10345051B4 Verfahren zum Aufbau einer Kommunikationsverbindung in einem direkt kommunizierenden Kommunikationsnetzwerk A method for establishing a communication connection in a directly-communicating communication network
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