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7627105 Method for protecting against undesired telephone advertising in communication networks  
A first list and a second list of identifications are established, with which a telemarketing advertisement or no undesirable telemarketing advertisement is expected. The identification of the...
7627101 Method and apparatus for telephone routing between PTN and PSTN  
Disclosed is a method and apparatus applicable to an interface between PSTN and PTN for telephone routing. The interface includes a branch switch, a key system, a network branch switch, and media...
7602770 Telecommunication terminal identification on a switching system  
A method and apparatus for identification of telephone numbers for IP telephones in offices to be assigned to different persons by (1) assigning one of the offices to one of the persons upon a...
7570747 Private branch exchange (PBX), voice store equipment, message processing method, program and recording medium  
A PBX which accommodates an extension station and voice store equipment, the PBX comprising a controller for controlling interconnection between the extension or the voice store equipment and an...
7565159 Methods and arrangement for implementing an active call handover by employing a switching component  
An active call handover arrangement for managing a handover between a plurality of telecommunication devices associated with a public extension number is provided. The arrangement includes a...
7518984 IP-PBX, IP-PBX system, IP terminal control program  
An IP-PBX has a software-based built-in control unit, a card slot into which a control card is plugged, and a data bus connecting the software-based control unit and the card slot. The...
7450703 Acceptance of inputs from various interfaces to a telephony system  
A telephony system that accepts inputs, such as account codes, from a variety of devices and interfaces. The system includes a server with a telephony management software (TMS) unit, a telephony...
7447301 Toll-free number blocking override indicator  
A menu routing service routes calls made to a customer's toll-free number according to customized routing instructions. A service provider establishes service parameters, which include the...
7440566 Internet protocol compliant private branch electronic exchange and a method for redundantly configuring terminal interfaces  
The IP-PBX includes a multimedia gateway controller in which a call control data master table stores call control data for all terminals falling under the control of the IP-PBX. In the event of...
7440558 Telephony security system  
A system and method of telephony resource management and security for monitoring and/or controlling and logging access between an enterprise's end-user stations and their respective circuits into...
7418089 System and method for restricting and monitoring telephone calls  
A telecommunications service controls and monitors telephone calls by storing at a service control point (SCP) restricted telephone numbers and priority telephone numbers. Upon receiving call data...
7352849 SMS switching private branch exchange system and method  
An short message service switching private branch exchange system and a method can reduce costs. The method can include certifying whether a usable DSP exists or not when an office line and a...
7324506 Using DSL services to facilitate real-time communications in enterprise networks  
The present invention delivers both voice and real-time communications over telephony infrastructure. The telephony infrastructure will effectively couple a DSL server in a local telephony exchange...
7308255 Extending mobile phone networks  
Methods, systems, and computer program products for bridging mobile phone networks with other telephone networks. A telephone network comprises multiple individually addressable telephone lines...
7272386 System and method for providing location and call back information for special number calls from phone sets serviced by a privately served network  
A system for handling special number calls placed from a phone coupled at a connection locus in a private network; includes: (a) a private switch controlling communications with the phone from...
7248679 Apparatus and method for transmitting-receiving CID in a PBX  
A PBX connected to a public exchange includes a separate caller ID service unit for providing a caller ID and/or a system tone by performing a digital signal process. To display the caller ID on a...
7236579 Universal call-log system and method for a home network telephone  
A system and method are provided for maintaining a universal call-log in a Home Network telephone system. The method comprises: transceiving calls on at least one external telephone line; bridging...
7231027 Encapsulation, compression, and encryption of PCM data  
A system and method to provide secure access across the untrusted public switched telephone network is described. The system and method can be initiated by a security policy defining actions to be...
7218718 Method to perform a telecommunication with dialing destination preview  
The present invention concerns a method to perform a telecommunication between a caller terminal and a callee terminal identified by an identification code, such as a phone number. Method wherein...
7133514 Premise-based voice bridge extension  
A telephony system for completing conference calls includes a premise-based network having a local controller coupled to local endpoints, a proxy, and a conference bridge. The telephony system...
7076053 System for the processing of audio data used for music on hold and paging in a private branch exchange  
The PBX system includes an analog to digital, and digital to analog, (A/D) conversion where the sample size and the sample rate are selectively adjustable. The A/D structure includes registers...
7031445 Distributed redirect server  
The present invention provides a system with a redirect functionality that removes the potential of a bottleneck inherent with a central redirect server. In a communications system according to the...
7006614 Systems and methods for voice and data communications including hybrid key system/PBX functionality  
A method for operating an integrated communications system providing voice and data communications to a plurality of users and simulating a key system. An outside line appearance is provided on a...
6931533 Removable hardware device authentication system and method  
A hardware authentication system and method for equipment including at least one removable hardware component comprising a processing unit within the equipment that includes a first pseudo-random...
6912273 PBX switch incorporating methods and apparatus for automatically detecting call appearance values for each primary directory number on a basic rate interface  
A PBX switch incorporates methods and apparatus for automatically configuring Call Appearance values in an ISDN BRI. The methods and apparatus include providing means for one PDN to call the other...
6870908 Voice storage device and incoming call answering system  
According to the present invention, a voice storage device includes a port control unit for monitoring a service state of a port of a PBX extension circuit, and a private branch exchange is...
6813347 Selective call waiting  
A method and system of processing a call from a calling party to a called party are provided to enable selective call waiting which involves determining whether the called party is busy on another...
6807261 Digital key telephone set and digital key telephone system  
A clock generating circuit generates a clock of a rate corresponding to a Dch rate in response to a specification from the exterior. A counting circuit detects completion of reception of one frame...
6804329 Methods and apparatus for enabling a non-DID station of a PBX or MLTS to receive a PSAP call back  
Methods for enabling a non-DID station of a PBX or MLTS to receive a PSAP call back include assigning a special DID number for use by non-DID stations behind the PBX/MLTS, detecting when a non-DID...
6724874 Outgoing call screening  
A method and system include restricting destinations of a telephone call from a calling station, which has been assigned a privilege class. A service control point (SCP) stores blocking tables,...
6714640 Communication system, exchange and extension call processing method  
Each of ISDN extension terminals which are connected in a point-multipoint connection mode transmits call initiation information while identification information thereof is contained in the call...
6707897 Private branch exchange  
A private branch exchange comprising means, including at least an extension terminal, for connecting the extension terminal to a communication network, means for transmitting to the communication...
6700974 Switching power supply for generating a ringing voltage  
An apparatus and method for providing a ringing voltage to a communication device such as a telephone or a modem. Typically, communication devices are coupled to a ringing voltage providing...
6687354 Method and arrangement for connection of a computer to a computer network via a telephone exchange  
The present invention refers to a telephone exchange, a telephone system comprising such an exchange as well as a method for connecting a computer to a computer network via an exchange and a...
6618476 Line information security interface for TAPI service provider  
A system for providing a secure interface to a PBX system comprising a PBX having a command executor; a plurality of telephony devices connected to the PBX; one or more programmable computing...
6567508 Communication device  
When a telephone call is received via an internal line, an information control/storage device transmits an electronic mail to a terminal device via an information line. The electronic mail includes...
6567505 Method and apparatus for camp-on service control  
After a camp-on to a telephone B has been registered by a telephone A, when a callback is returned by detecting call termination of the telephone B, the callback can be temporarily released or the...
6556663 Guestroom telephone having single action message retrieval  
A telephone system is operatively coupled to a private automatic branch exchange (PABX) system and to a voice mail system, where the telephone system permits a user to retrieve recorded voice...
6553102 System and method for fully integrating multiple business telephone systems with a single voice mail system  
An integrated telephone switching apparatus interconnects a plurality a PBX's to a single voice mail system. The apparatus includes a plurality of input ports for accepting calls from the voice...
6516058 Voice network access system  
An authentication system is applied for a voice network in order to provide the same security as that attained by a data network. Provided is a voice network access system wherein a one-time...
6493436 System for correcting failures of music on transfer  
A plurality of audio sources are provided in a Private Branch Exchange (PBX) and monitored to determine if audio is available from any of the sources. Once an audio source with an audio presence...
6480596 Direct inward-outward dialing trunk circuit  
A direct inward-outward dialing (DIOD) trunk circuit having a DIOD detecting/sending circuit connected to tip and ring terminals connected to a central office line and a primary coil of a...
6424700 Network based distributed PBX with connection loss survival features  
Methods and apparatus are described for maintaining established local calls at an access module in case of change of the call control for a distributed PBX over a communications network, e.g. WAN...
6396905 Method and apparatus for routing blocked telephone calls  
A telecommunication system includes a private branch exchange ( 170 ) that uses an automatic route selection algorithm to select a trunk on which a call is to be routed. A number of trunk groups...
6366656 Method and apparatus for migrating embedded PBX system to personal computer  
A PC-based PBX incorporating preexisting call control software designed to operate in a computing environment which is not PC-based. The PC-based PBX comprises a PC chassis; a PC motherboard within...
6317487 Method for managing message by using a personal computer as an operator console in a private branch exchange system  
A method for managing messages in a private branch exchange system uses a personal computer as an operator console. The method includes storing a message to be transmitted to a subscriber who is...
6301353 Common automatic route selection leading digit strings  
In a PABX switching system: (a) apparatus for receiving dialed digits relating to a call, (b) apparatus for storing a table of groups of predetermined numbers of initial digits and for each group...
6069942 Method for the legitimacy check of call numbers of calls incoming at a communication system  
In a communication system (KS), communication terminals (KA) provided for a legitimacy check are allocated to at least one inhibit dial evaluation routine (SWABE). In the framework of a call (ar),...
6005941 Method and apparatus for providing optional service functions in a private branch exchange  
A private branch exchange has optional service modules for providing optional service functions. The optional service modules are initially disabled, but can be enabled through a telecommunication...
5933480 Method for billing and controlling fraud in providing pay information services  
A group conferencing arrangement for a counseling service permits the simultaneous connection of two or more service representatives to a call-in caller, i.e. without the need for one service...
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