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| Number | Title | Issue Date |
| 8175252 | Ringback tone bookmark request by calling party A ringback tone is played to a calling party on a call to a called party. Identification information of the ringback tone is stored, upon receipt of a bookmark request from the calling party, for later access by the calling party to the ringback tone and/or informat... | 05/08/2012 |
| 8073128 | Ringback tone service opt-in and opt-out requests for use by calling party An opt-out request in one example is received from a calling party to avoid employment of a specialized ringback tone on one or more subsequent calls from the calling party to a called party. A ringback tone call controller determines, based on the opt-out request, ... | 12/06/2011 |
| 8027455 | Ringbacks based on extrinsic information An apparatus and methods are disclosed that enable a first user of a telecommunications terminal to receive, upon placing a call to a second user, a ringback signal that is based on information that is extrinsic to the telecommunications system that handles the call... | 09/27/2011 |
| 8027456 | Method and system for providing call tones service in a system with multiple media content providers A carrier providing wireless services provides ringback media such as call tones via one or more call tones content providers. In one aspect, a service entity (e.g., SCP or application server) is provisioned with data unique to ringback media service subscribed to b... | 09/27/2011 |
| 7986775 | Method for realizing ring back tone in communication system A method for realizing ring back tone in communication system, enabling that the calling user can only hear the ring back tone triggered by the primary called user no matter whether the call is forwarded or how it is forwarded. In the present invention, service cont... | 07/26/2011 |
| 7889856 | System and method for providing RBT in communication network Disclosed are systems and methods for providing ring back tones in a communication network. At first, a ring back tone device for storing and playing the ring back tone customized by a subscriber is established in the communication network. Whether a subscriber is a... | 02/15/2011 |
| 7844044 | Control server employment of offer message from resource server to determine whether to add indication of the resource server to resource server mapping table A control server of an apparatus in one example receives an offer message from a resource server. The offer message indicates an availability of the resource server to handle one or more tasks for the control server. The control server employs the offer message to d... | 11/30/2010 |
| 7587040 | Systems and methods for detecting false signals on an outbound call Systems and methods for detecting false signals on a telephone line. The devices provide an additional verification for outbound calls which result in a disconnected or not in service signal that such signals are valid and not false tones being emitted by a device o... | 09/08/2009 |
| 7421071 | Call progress tone generation in a communication system A method of operating a wireless calling device comprises connecting to a call tone provider configured to provide call tones, transferring a plurality of call tone requests to the call tone provider, receiving a plurality of call tones from the call tone provider i... | 09/02/2008 |
| 7203304 | Call progress tone generation in a communication system In a communication system, call tones are individually associated with call messages. The communication system comprises a wireless communication system and a wireless user device. The wireless user device transfers a call tone request to the wireless communication ... | 04/10/2007 |
| 7158843 | Modular software definable pre-amplifier Pre-amplifier apparatus, for use for example in a home hi-fi system, compoosed of one or a plurality of reconfigurable circuits used to configure the apparatus to implement the desired audio processing functions and audio protocols for use in different audio systems... | 01/02/2007 |
| 7142656 | Location-based ringbacks An apparatus and methods are disclosed that enable a first user of a telecommunications terminal to receive, upon placing a call to a second user, a ringback signal that is based on one or more geo-locations (e.g., the geo-location of the first user, the geo-locatio... | 11/28/2006 |
| 7088815 | True alert indication An end user terminal (EUT), e.g., such as mobile terminal (MT) (20), is provided for connecting with an incoming call received over a communications network (A). Suitably, the EUT includes an alerting function and/or equipment that provides perceivable alerti... | 08/08/2006 |
| 7072644 | Method for providing a caller-based ringback tone sound in case of a non-subscribed called The present invention relates to a method for providing an arbitrary sound chosen by a subscriber instead of a conventional RBT, more particularly, to a method for providing a caller with an arbitrary sound chosen by the caller instead of an RBT in case that a calle... | 07/04/2006 |
| 7050564 | Call progress tone generation in a communication system A communication system is disclosed that generates call progress tones for a call. The communication system is comprised of a calling device and an originating system. Examples of the calling device include a telephone, a cellular phone, a computer, and a fax machin... | 05/23/2006 |
| 7027566 | Home gateway system with telephony functions and method A home gateway system has a transceiver (70) capable of establishing a wireless local loop connection (72). A voice processing system (74) is coupled to the transceiver (70). The voice processing system (74) is capable of storing a... | 04/11/2006 |
| 7013393 | Universal intelligent card for secure access to system functions A method and apparatus for secure access to secured system functions utilizing a universal access card. The card includes a bank of tuned amplifier circuits and tuned audio transducers to maximize audio output power from the card, such as for telephone communication... | 03/14/2006 |
| 7012979 | Tone signal detection circuit for detecting tone signals Tone signal detection circuit for a receiving circuit for detecting at least one tone signal of predetermined tone signal frequency (fE) which is contained in a received analog input signal, comprising a reference signal generator (41) for generati... | 03/14/2006 |
| 6985570 | Method for the establishment of a telecommunication link A method of establishing an initial telecommunication connection from a first telecommunications terminal to a second telecommunication terminal via a network unit of a telecommunications network, includes transmitting at least one message to the first telecommunica... | 01/10/2006 |
| 6744876 | Tone sending device of electronic private branch exchange A tone sending device of an electronic private branch exchange is provided which is capable of using a voice message from outside as a tone to inform an extension telephone or a central office line of a state of a call or a line without the necessity of taking compl... | 06/01/2004 |
| 6404863 | First party signalling for call waiting calling number identification (CWCID) system The invention is a method of receiving digital data from a Local Switching Office (LSO) on first party equipment that is communicating, in an off-hook state, via the LSO with second party equipment. The method presumes that the first party equipment has a... | 06/11/2002 |
| 6201854 | System and method for telephone number verification and identification A testing environment and a method for telephone number identification and/or verification. The testing environment and method of the present invention analyzes incoming analog signals of a telephone call being made to the tested line as the receiving par... | 03/13/2001 |
| 6148072 | Methods and systems for initiating video communication A two-line videophone can be used to initiate video communication while maintaining audio communication throughout the initiation period. A user uses a first line to initiate an analog voice call with another user. The videophone then uses a modem to init... | 11/14/2000 |
| 6088440 | Method and apparatus for operating a telephone exchange having selectable audio sources A telephone exchange transmits audible signals to a subscriber line to indicate exchange or network conditions. The audible signals to be transmitted to the subscriber line are selected from one or more available audible signal sources according to the co... | 07/11/2000 |
| 5937039 | Method for sending out absent messages from ISDN exchange system A method for sending out absent messages in an ISDN exchange system to which digital telephones with a plurality of function keys and a LCD screen are connected as extension subscribers. When an extension subscriber of an ISDN exchange system is called up... | 08/10/1999 |
| 5862212 | Method and structure for detecting a customer premises equipment alerting signal A method and device for detecting a customer premises equipment alerting signal (CAS) tone in a telephone system which has both caller identification and call waiting. The present invention distinguishes between valid CAS tones transmitted by the telephon... | 01/19/1999 |
| 5859904 | Methods and systems for connecting multiple telephone lines between two stations A method for connecting a local and a remote device using a plurality of telephone lines is disclosed. The remote device calls the local device on one of the telephone lines to establish a first telephone connection. The local device sends the other telep... | 01/12/1999 |
| 5793858 | Method for improving call completion rates in telephony The method of in-session activation of the present invention gives Telcos the ability to offer callers a menu of call completion services when the call encounters a busy or no-answer condition. It provides in-session activation capability from DTMF and di... | 08/11/1998 |
| 5790287 | Optical communication system with improved maintenance capabilities A communication system where a central module repetitively sends interrogation optical pulses to endpoint modules in order to determine operational state of the endpoint modules and of the two-way communication path to the central module. Those pulses als... | 08/04/1998 |
| 5781625 | System and apparatus for generating within the premises a dial tone for enhanced phone services A system and apparatus includes a premises phone connected to a phone network along a first communication channel. A dial tone controller generates within the premises a dial tone along a second communication channel to a switch and to the premises phone.... | 07/14/1998 |
| 5748637 | DTMF signaling on four-wire switched 56 KBPS lines Dual tone multi-frequency (DTMF) address signaling on four-wire switched 56 kilobits per second (Kbps) service lines is obtained by determining the proper byte boundary information. An iterative learning process is used with an existing digital switching ... | 05/05/1998 |
| 5692040 | Method of and apparatus for exchanging compatible universal identification telephone protocols over a public switched telephone network A method of and apparatus for providing compatible universal identification telephone protocols by generating predetermined unique audio sequences recognizable by the telephone user as defining standardized Audio Icon information and distinct from and sep... | 11/25/1997 |
| 5642406 | Tone recognition method using tone learning operation in an automatic answering system The present invention provides an automatic answering system that, upon being provided with operating power, uses a tone pattern learning operation to identify an applicable busy tone pattern. After the applicable busy tone pattern is identified, when a c... | 06/24/1997 |
| 5642407 | System and method for selected audio response in a telecommunications network A system and method for selected audio response to a telephone call that results in an unsuccessful connection. If a condition within the set of conditions is satisfied based on attributes associated with the caller or the telephone call, an action list a... | 06/24/1997 |
| 5638437 | Telecommunication system and method enabling a user to get access to an automated call processing from a central station operating on pulse dialling mode The present invention is related to a telecommunication system and method enabling a user to get access to any of automated call processing systems. The system comprises in combination a telephone line interface means adapted to provide function of a tele... | 06/10/1997 |
| 5583933 | Method and apparatus for the secure communication of data An auto-dialer suitable for use as a smart card capable of being acoustically coupled to a telephone and being reprogrammed in response to acoustic signals. The programming and other features of the auto-dialer can be enabled or disabled by the auto-diale... | 12/10/1996 |
| 5557658 | Communications marketing system A communications marketing system for selectively modifying an existing communications network by modifying a portion of the processing software permits transmitting a generally continuous pre-recorded announcement to a network station which has been temp... | 09/17/1996 |
| 5539814 | Method and apparatus for informing active subscriber of disconnection of held subscriber in call-waiting service When a subscriber A provided with a call-waiting service and connected to a subscriber B is called by another subscriber C and when the subscriber A responds to a call-waiting tone, the subscriber A is connected to the subscriber C and the subscriber B is... | 07/23/1996 |
| 5535264 | Prompt issuing protocol for an intercept voice messaging system A voice messaging service system for caller accepted voice store and forward service. The service offering prompt is issued during dial tone in response to caller off-hook, advising that the service can be accepted by the caller if the call to the intende... | 07/09/1996 |
| 5530743 | Telephone exchange apparatus and tone sending method in telephone exchange apparatus In a telephone exchange apparatus for performing exchange processing by a memory time switch, first tone signals are generated, and second tone signals are generated by sequentially exchange-controlling the memory time switch in synchronism with the zero-... | 06/25/1996 |
