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2017

19602661Answer and hold with client and host
29596347Method and system for providing a hold media service
39585189Rejecting or accepting a phone call using a lag time
49578167Customer relationship management (CRM) audio on hold
59571651Far-end initiated mid-call notification via ring-ping
69571639Call holding management
79560208System and method for providing intelligent and automatic mute notification
89560197Method and system for informing a user that a call is no longer on hold
99549078Proxy media service for digital telephony
109544427Methods, systems, and products for processing communications

2016

119525988Method and apparatus for performing call switching
129525774Methods, systems, and products for suppression of alerts
139503575Method and apparatus for augmenting communication sessions using contextual information
149479639Dual-mode and dual-standby mobile terminal and dual-channel implementation method thereof
159473628Method and system for providing communication hold status management
169444933Communication apparatus, method of controlling the same, and storage medium
179432505Simultaneous LTE data and DSDA voice
189420092Systems and methods for providing selectable options to a calling party on-hold
199413897Apparatus and methods for notification of a party in a telephone conference
209398150Method of setting detection parameters in an apparatus for on hold music detection
219392111Reduction of on-hold call bandwidth consumption
229386161Content delivery during call idle time
239386151System and method for replacing hold-time with a call-back in a contact center environment
249386147Muting and un-muting user devices
259380159Method and system for informing a user that a call is no longer on hold
269369576Phone system with methodology for call parking
279369573Method and apparatus for implementing inquiry callback and information update services
289363382Conference presence based music-on-hold suppression system and method
299357065System, method and apparatus for transmitting audio signals over a voice channel
309350866Using a speech analytics system to offer callbacks
319338290Method and apparatus for facilitating a communication session
329326113Network device, called terminal, and method for processing third-party call
339325371Method for managing data transport using crosstalk data
349319520Media on hold features in a VoIP system
359301108Audio content distribution control system and method
369294619Customer relationship management (CRM) audio on hold
379288329Remote call control
389288316System and method for eliminating hold-time in phone calls
399282444Method and apparatus for interworking SIP communication waiting with circuit switching and packet switching nodes
409270817Method for determining the on-hold status in a call
419269092Targeted on-hold messaging system and method thereof
429264548Establishing communication sessions
439247068Apparatus, system and method of call notifications to active communication devices
449232054Mid-call, multi-party, and multi-device telecommunication features and their interactions

2015

459215326Systems and methods for call processing
469203967Method and system for processing calls in an architecture allowing a telephony identifier to be associated with a group of identities
479185218System and method for highly assured delivery of an important segment of an automated call
489178993Line connection apparatus and method
499167397Methods, systems, and products for processing communications
509160861Managing held telephone calls at the call-forwarding system
519160845Dynamic provisioning of a switch with custom ringback media
529137382Methods, systems, and products for suppression of alerts
539131061Call handling across subscriptions in dual SIM dual active (DSDA) devices via short range wireless
549124693Method and system for on-hold messaging for off network calls
559112976Parking and routing network calls and sessions
569106744Interactive content for click-to-call calls
579106742Devices, systems, and/or methods regarding telecommunications addressing
589065681Parking and un-parking of conversations in multiple modalities
599055140Contact center queue priority management method and system

2014

608666038Method, apparatus and system for park call messages

2012

618284927Telephone using an external media device to provide on-hold information
628229084Method, apparatus and system for park call messages

2011

637962342Dynamic user interface for the temporarily impaired based on automatic analysis for speech patterns

2010

647822184Call hold signaling
657688966User interface persistent context area

2009

667526077Call hold signaling

2007

677248683Call hold signaling

2005

686961351Communication device and transit device having a call-hold function and a method for controlling the function
696961333Call waiting feature for a telephone line connected to the internet
706959081Expert hold queue management
716959075Replay of conference audio
726957260Method of improving access to services provided by a plurality of remote service providers
736954521Method and system for providing enhanced call waiting and caller identification
746947538Process, service computer, switching centre, terminals and program modules for handling incoming telephone calls during and online data-network session blocking a subscriber line
756931117Caller control of internet call waiting
766925161Call hold signaling
776920496Network communication system for providing a user with a paging message
786920207Techniques to reconnect with a modem
796915421Method for establishing call state information without maintaining state information at gate controllers
806901140Method for redirecting calls to a messaging system during an active call
816898275Method and apparatus for providing expanded telecommunications service
826895002Method and system to provide a single telephone number for geographically dispersed telephony service subscribers
836883023Method apparatus and communications system for companion information and network appliances
846882717Undetected provision of auxiliary services during a telephone conversation
856882716Local control of call features in a telephone system
866879677Methods and systems for telephony call completion
876876632Intelligent network with an internet call waiting function
886873700System and method for announcing a message through a private branch exchange
896870914Distributed text-to-speech synthesis between a telephone network and a telephone subscriber unit
906870807Method and apparatus for suppressing music on hold
916853725Method and apparatus for off-hook management of plural subscriber premises devices connected to same telephone line
926853719Provision of media content to telephony callers on-hold
936853715Provisioning of subscriber services
946847713Method and apparatus for robust call routing
956842622User interface using speech generation to answer cellular phones
966842448Call waiting feature for a telephone line connected to the internet
976839422Method and apparatus for providing local call treatment discrimination for selected calls on a switched telephone network

2004

986834103Caller control of call waiting services
996831973Method and apparatus for executive phone call initiation
1006829343Method and system for providing enhanced call waiting
1016826276Managing caller profiles across multiple call hold centers
1026823059Method for allocating network resources
1036816481Internet caller identification system and method
1046813347Selective call waiting
1056804334Method and device for dynamic message delivery based upon identification of originating caller
1066804332Network based knowledgeable assistant
1076798771Call setup gateway for telecommunications system
1086792266Network telephone system
1096785517Concurrent wireless/landline interface apparatus and method
1106785301Method and apparatus for conducting call waiting-caller identification in a packet switched network
1116782252Apparatus and method for transmitting call holding message in mobile communication terminal
1126778655Call waiting caller identifier
1136775522Concurrent wireless/landline interface apparatus and method
1146775370Method and system for processing a telephone call while on-line
1156775357Method and system for providing enhanced call waiting with verification and name change service
1166768722Systems and methods for managing multiple communications
1176760581System and method for improved mobile phone functionality
1186757534Cellular phone with special standby feature
1196757274Method and apparatus for allowing selective disposition of an incoming telephone call during an internet session
1206751306Local on-hold information service with user-controlled personalized menu
1216751212Multimedia data communication system
1226748070Method for allocating network resources
1236741683On-hold message updating system and method
1246738981General access system
1256738473Call queuing
1266738467Selective call waiting service
1276735295Call waiting messaging
1286735208LAN telephone system
1296735193Method and apparatus for suppression of packets during silence periods in a packet telephony system
1306724878Method and system for processing a telephone call
1316724877User specified hold recall treatment
1326724872Personalized messages over Internet call waiting
1336718016Method and system for text-to-speech conversion of caller information
1346714637Customer programmable caller ID alerting indicator
1356714634Method and apparatus for selecting disabling music on hold in a telecommunication system
1366704565Method and apparatus for providing a hold termination message service in a communications network
1376704400Call-waiting tone detection technique
1386697474Systems and methods for receiving telephone calls via instant messaging
1396697461Methods and apparatus for providing call screening and other communication services
1406694429Method for establishing call state information without maintaining state information at gate controllers
1416694012System and method to provide control of music on hold to the hold party
1426694008Monitored suspension of communications sessions
1436693897Method and system of screening and control of telephone calls while using a packet-switched data network
1446687338Call waiting notification

2003

1456671272Internet switch box, system and method for internet telephony
1466665396Call hold manager system and method
1476661785Method and apparatus for providing internet call waiting with voice over internet protocol
1486654457Call centre
1496650908Communications system for providing multiple services and hold capability of at least one service, and method therefor
1506647108Internet call manager
1516633635Multiple call waiting in a packetized communication system
1526633634Method and system for providing enhanced call waiting
1536633631Digital key telephone system and extension terminal device thereof
1546628771Distinctive call waiting alert and management device
1556628768System and method of responding to an incoming call while conferencing
1566625476User interface apparatus, and associated method, for facilitating hands-free operation of a radio device
1576618474Method and apparatus for providing to a customer a promotional message between ringing signals or after a call waiting tone
1586614890Disclosing the receipt of new electronic message
1596597780Method and system for providing a continuous tone source using a service node
1606597779Method, apparatus and system for call holding
1616587886Selecting communication link between client and server
1626584506Selecting communication link between client and server
1636584193System, method, and computer program product for network telephone queuing
1646584184Method and system for an intelligent partitioned communication system
1656577722Call waiting response status
1666563916System for transmitting a change in call queued/hold state across a communications network
1676563915Method and apparatus for an automatic barge-in system
1686563815Packet communication system
1696560239Retaining a data communication while responding to a paging notification
1706556670Method for solving the music-on-hold problem in an audio conference
1716546091Automatic detection of phone system settings for dial-up modem connections
1726539088Electrical connector for connecting an audio source to a caller on hold
1736539079Method and system for providing enhanced call waiting
1746532286Method and system for processing a telephone call
1756529873Apparatus and method for providing and updating recorded audio messages for telecommunication systems
1766526043Method and apparatus for charging for an outgoing voice call performed during an internet session
1776526041Apparatus and method for music-on-hold delivery on a communication system
1786519335Apparatus, method and system for personal telecommunication incoming call screening and alerting for call waiting applications
1796519252System and method for connecting a call to a mobile subscriber connected to the Internet
1806515996Modem with IP support
1816507646Apparatus and method for call-waiting event interception

2002

1826498848Use of an echo canceller for the detection of CAS signals
1836498841Method and system for providing enhanced call waiting and caller identification
1846496576Digital key telephone system and extension terminal device thereof
1856496572Call-waiting tone detection technique
1866496500System and method for controlling telephone calls through a cross platform enabled internet browser
1876493445Providing alerting/call waiting/call holding services to on-line internet users
1886493436System for correcting failures of music on transfer
1896490348Switching system for providing an improved call waiting service
1906490346Apparatus and method for providing music-on-hold service in key telephone system
1916483912Method for allocating network resources
1926477246Method and apparatus for providing expanded telecommunications service
1936473437Network call park service
1946466653Text-to-speech preprocessing and conversion of a caller's ID in a telephone subscriber unit and method therefor
1956466570Method of accessing service resource items that are for use in a telecommunications system
1966463146Call waiting service in a telecommunications network
1976457039Method and apparatus for avoiding IP-address collision when connecting an incoming voice phone call to an internet application
1986456711Method for placing a call intended for an enhanced network user on hold while the enhanced network user is unavailable to take the call using a distributed feature architecture
1996456705Digital key telephone system and extension terminal device thereof
2006456601Method and system to provide telephony tones and announcements in a packetized network environment
2016453164Intelligent telephone control system which allows subscribers to remotely control a plurality of call handling utilities
2026453039Method and apparatus for robust call routing
2036446127System and method for providing user mobility services on a telephony network
2046438222Method and system for processing a telephone call while on-line
2056437818Video conferencing on existing UTP infrastructure
2066434402Accessory device for handling multiple calls on multiple mobile stations
2076430282Methods and apparatus for originating voice calls
2086430280Telephone main unit and telephone control apparatus
2096426769High-quality switched analog video communications over unshielded twisted pair
2106418216Caller-controller barge-in telephone service
2116418209Telecommunications device equipped with in-call incoming call notification function and method for detecting in-call incoming signal notification
2126415026Method of and system for enhanced call waiting in a telecommunications network
2136415020Call on-hold improvements
2146408060Digital key telephone system and extension terminal device thereof
2156404863First party signalling for call waiting calling number identification (CWCID) system
2166404860System and method for internet call management with text-to-speech messaging
2176400809Method and system for text-to-speech conversion of caller information
2186400804On-hold activity selection apparatus and method
2196397250Network communication system for providing a user with a paging message
2206393108Voice messaging system which allows a remote user to return a call without disconnecting from a telephone line
2216393106Telephone answering device which records voice message of third party caller
2226381322System for processing incoming calls based on call priority for telephone stations having multiple lines
2236377795Cellular phone with special standby feature
2246377671Digital key telephone system and extension terminal device thereof
2256377570Internet switch box, system and method for internet telephony
2266373924Digital key telephone system and extension terminal device thereof
2276366661Online call routing apparatus and method
2286353662Method and apparatus for eliminating nuisance signals in multi-party calls
2296353660Voice call processing methods
2306353611Call waiting feature for a telephone line connected to the internet
2316351762Method and system for log-in-based video and multimedia calls
2326349136System and method for controlling a conference call
2336345088Apparatus and methods for handling call waiting in a modem
2346343314Remote participant hold and disconnect during videoconferencing
2356343121Selective call waiting service
2366343113High impedance absolute telephone line voltage measurement circuit
2376339639Enhanced call-waiting with caller identification method and apparatus

2001

2386333974Detection of a call-waiting tone by a modem
2396330318Method of and system for interrupting and parking calls in a switched telecommunications network
2406327356Call forwarding on busy or no answer when call waiting is active
2416320857Telephone doubler arrangement
2426317488Call waiting-caller identification notification device
2436314173Telephone apparatus having a multifunction call-waiting operating portion
2446314124Method and system for remote answer of a telephone call
2456311197Method for downloading a web page to a client for efficient display on a television screen
2466308221Selecting communication link between client and server
2476307930Method for providing telephone access to an internet user connected to plural bonded telephone lines
2486307845Processing packet-switched voice calls directed to a mobile unit operating in circuit-switched mode
2496304565Method of completing long distance pots calls with IP telephony endpoints
2506301354Method and apparatus for entertaining callers in a queue
2516301339System and method for providing a remote user with a virtual presence to an office
2526298062System providing integrated services over a computer network
2536295357System and method for ringing other subscriber telephones connected to a telephone line during data communications on the telephone line
2546295347Apparatus and method for subscriber loop powered calling identity delivery on call waiting
2556295293Access network over a dedicated medium
2566289092Method and apparatus for selectively suspending or activating a call waiting service
2576282281Method of providing telecommunications services
2586278773Determining and disclosing the indentity of telephone caller
2596278771Method and system for providing enhanced call waiting with verification and name change service
2606272211On-hold messaging system and method
2616269159Conferencing with a calling party
2626266524Method and system for call screening
2636263061Digital button telephone system and extension terminal for the same
2646259770DPNSS VRU with single channel transfer
2656259692Internet call waiting
2666246889System, method, and apparatus for delayed call answering
2676246758Method of providing telecommunication services
2686243443Method of making available content resources to users of a telephone network
2696236716Call parking and paging system and method of operation
2706219415Call hold state notification across a communications network
2716219414Method and system for providing enhanced call waiting
2726219413Apparatus and method for called-party telephone messaging while interconnected to a data network
2736212547UTP based video and data conferencing
2746212261Internet-based telephone call manager
2756208729Method and apparatus for on-hold switching
2766208728Call waiting in call setup
2776201950Computer-controlled paging and telephone communication system and method
2786198916Call screening in wireless systems
2796195426Service providing customized information to queuing customers
2806192120Method and apparatus for controlling call waiting service
2816192116System and method for generating CID/CIDCW information with a user inputted message
2826188886Server based voice call offer while telephone in data session
2836188688Method and apparatus for placing telephone calls while connected to the internet
2846178240Method and apparatus for entertaining callers in a queue
2856178183Method and apparatus for receiving conventional telephone calls while connected to the internet
2866169796Call rerouter method and apparatus

2000

2876161134Method, apparatus and communications system for companion information and network appliances
2886160881System and method for integrating electronic entry systems with telecommunication systems
2896160877Method of screening and prioritizing an incoming call
2906157640Providing feature logic control in parallel with voice over a single subscriber access
2916144644System and method for implementing call waiting functions over a network
2926141328Method and system for two-way negotiated call hold
2936138030Communications system for providing multiple services and hold capability of at least one service, and method therefor
2946125177Telephone communications network with enhanced signaling and call routing
2956125126Method and apparatus for selective call forwarding
2966122353Method and apparatus for detecting a telephone CPE alerting signal
2976122346Telephone on-hold response system
2986118861Calling party invoked held call monitoring
2996118857Modem
3006115602Method and system for call screening
3016104797Method and system for an intelligent partitioned communication system
3026097795Method for notification and control of incoming calls in a network
3036088437Call processing system, method and computer program product
3046080202Universal compatibility software system for services in communication and information processing networks
3056078581Internet call waiting
3066075850Flash-hook Caller ID
3076067353Method and apparatus for detecting a call waiting signal on a telephone line connected to a modem
3086064732Screen-based telephone set for interactive enhanced telephony service
3096047053Network based knowledgeable assistant
3106041103Interactive call identification
3116031905Network-based call hold stand by
3126028922System for deferred call answering in a telecommunications system
3136028921Method and system for delivery of a message to a display unit
3146028915Method and apparatus for making an emergency call while on-line on a computer
3156026156Enhanced call waiting
3166014559Method and system for delivering a voice mail notification to a private base station using cellular phone network
3176014439Method and apparatus for entertaining callers in a queue
3186014434Method for controlling and processing an incoming call of a line-busy exchange system
3196011909Alerting user engaged in a first communications session on a first network to a request to establish a second communications session on a second network
3206011845Method and system for two-way call holding using an intelligent communication device

1999

3216005847Method and apparatus for facilitating communication between multiple platforms via single, multi-channel communication conduit
3225999613Method and system for processing incoming calls during calls-in-progress
3235999611Subscriber interface for accessing and operating personal communication services
3245995615External positivistic forward transfer in call-routing systems
3255991374Programmable messaging system for controlling playback of messages on remote music on-hold- compatible telephone systems and other message output devices
3265987102Method and apparatus for bridging a voice call including selective provision of information in non-audio to the caller
3275982774Internet on hold
3285978835Multimedia mail, conference recording and documents in video conferencing
3295974131Call forwarding on busy or no answer when call waiting is active
3305974044System and method for controlling voice and data communications
3315963633System and method for branching a telephone call
3325960065Two-line telephone controller with hold feature
3335960064Call screening method and apparatus for use in completing telephone calls
3345953407Distinctive ringing and distinctive call-waiting tones in an ISDN
3355949871Method and apparatus for providing a service in a switched telecommunications system wherein a control message is altered by a receiving party
3365946384On hold call waiting display method and apparatus
3375946378Information on hold telephony service
3385943335Method for minimizing call setups in ISDN PBX systems
3395940489Method and apparatus for detecting and recovering from call waiting interruptions to modem communications
3405937058Coordinating telephones or adjuncts on the same loop
3415937046Method of selectively connecting a received telephone call by utilizing a calling party number in a keyphone system
3425937034Method for testing call waiting, caller ID functionality of telephone line
3435933488Automated method and arrangement for integrating a telephone system with an announcement system
3445930347Interruption of a call between two terminals by a call from another terminal
3455930339Leaving a message on a held connection
3465926464Customer telecommunication interface device with built-in network features
3475920616On-hold messaging system and method
3485915091Synchronization in video conferencing
3495912958On-hold device
3505905774Method and system of accessing and operating a voice message system
3515901212Apparatus for blocking voice band signals when receiving caller identification information for a waiting call
3525896500System for call request which results in first and second call handle defining call state consisting of active or hold for its respective AV device
3535896444Method and apparatus for managing communications between a client and a server in a network
3545894504Advanced call waiting and messaging system
3555892764ATM LAN telephone system
3565889845System and method for providing a remote user with a virtual presence to an office
3575889844Conferencing method for telephone switch system
3585884039System for providing a directory of AV devices and capabilities and call processing such that each participant participates to the extent of capabilities available
3595878338System and method of restricting incoming calls by comparing the forwarded-from directory number to a directory number stored within the network
3605870461On-hold messaging system and method
3615867654Two monitor videoconferencing hardware
3625867575Optimized interface between audio/modem board and sound board
3635862212Method and structure for detecting a customer premises equipment alerting signal
3645862210Signal detection circuit and telephone apparatus
3655857011Multi-port caller ID-based telephone ringback test device

1998

3665854893System for teleconferencing in which collaboration types and participants by names or icons are selected by a participant of the teleconference
3675848142Advanced call waiting processing
3685841853Telephone apparatus with interrupt call processing capability
3695839067Corporate communication system
3705836009Caller ID telephone with signal attenuation
3715835573Method and system for call screening
3725828742Caller discrimination within a telephone system
3735828735Games on hold telephony service
3745825867Enhanced call waiting
3755818819Methods for performing intellignet network services with an ISDN network terminator located at a subscriber's premises
3765812649Method and apparatus for supporting spontaneous call waiting identification
3775812535Methods for performing intelligent network services with an ISDN network terminator located at a subscriber's premise
3785809128Method and apparatus permitting notification and control of blocked incoming calls over a data network
3795805587Call notification feature for a telephone line connected to the internet
3805802294Teleconferencing system in which location video mosaic generator sends combined local participants images to second location video mosaic generator for displaying combined images
3815799060Multi-port caller ID-based telephone ringback test device
3825796810Apparatus for dialing of caller ID block code and receiving call waiting caller-ID-signal
3835784448Advanced call waiting processing
3845768367Method and apparatus for removing FSK in-band signaling
3855768359Telephone call notification feature
3865768262Methods for performing intelligent network services with an ISDN network terminator located at a subscriber's premise
3875764748Advanced call waiting processing
3885764746Holding party call back subscriber feature
3895764639System and method for providing a remote user with a virtual presence to an office
3905758079Call control in video conferencing allowing acceptance and identification of participants in a new incoming call during an active teleconference
3915754627Method and apparatus for managing calls using a soft call park
3925752191Telephone control system which connects a caller with a subscriber AT A telephone address
3935745557CIDCW primary/secondary arbitration
3945734867Method, device, microprocessor and microprocessor memory for instantaneous preemption of packet data
3955706336Telephone system circuitry for discriminating between voice and data transmissions
3965706329Personal mobile communication system having meet-me bridge reconnect feature

1997

3975703941Connection control method for personal communications
3985701340AD-HOC conferencing method
3995689641Multimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signal
4005680447Circuit and method for responding to third party calls in a telephone system having call waiting
4015673299Adjunct controller for a telephone system
4025668862Method and apparatus for providing user controlled call management services
4035668861Telecommunications system with notification hold
4045654957Packet communication system
4055652834Method of avoiding non-desired interference between services by creating a truncated binomial tree which represent active or passive action elements
4065652789Network based knowledgeable assistant
4075651060Method and apparatus for detecting and recovering from call waiting interruptions to modem communications
4085649002Method and apparatus for detecting a telephone CPE alerting signal
4095646940System for simultaneous analog and digital communications over an analog channel
4105636269Intelligent call waiting
4115629978Service delivery using broadband
4125627888Telecommunication system for handling basic and supplementary functions
4135627827Automatic service cutover for ISDN private exchange
4145625676Method and apparatus for monitoring a caller's name while using a telephone
4155621731Private exchange for ISDN
4165619561Call-waiting and caller identification with three-way conversations arrangements
4175617539Multimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data network
4185615257Screen-based telephone set for interactive enhanced telephony service
4195604796Method for automatically controlling a call-waiting-interruption restriction and switching system

1996

4205590189Method of operating a microprocessor controlled telephone set
4215583924Caller ID and call waiting for multiple CPES on a single telephone line
4225581604Method and apparatus for processing an incoming call in a communication system
4235574777Caller ID and call waiting for multiple CPES on a single telephone line
4245572587Telephone system and method for easing wait time in queue
4255572584Connection control method for personal communications
4265568540Method and apparatus for selecting and playing a voice mail message
4275563938Subscriber telephone diverter switch
4285557658Communications marketing system
4295550908Modem communications interoperability with services equipped to provide calling party identity delivery with call waiting
4305548638Audio teleconferencing apparatus
4315548636Method and apparatus for providing user controlled call management services
4325546454Automatic call distributor with telephonic call holding system
4335546451Call waiting cancellation device
4345546442Method and apparatus for use in completing telephone calls
4355544235Identification of called directory number at multiple directory number per line premises prior to ringing signal reception
4365539814Method and apparatus for informing active subscriber of disconnection of held subscriber in call-waiting service
4375533110Human machine interface for telephone feature invocation
4385533102Telephone auto attendant system for delivering chosen greetings to callers while on the phone
4395530931Method and apparatus for providing a look ahead feature for enhanced call forwarding in a telecommunications system
4405519767Voice-and-data modem call-waiting
4415515423Two-line telephone controller
4425513251Method for providing call waiting service
4435511112Automated voice system for improving agent efficiency and improving service to parties on hold
4445491744Selective call waiting

1995

4455471519Communications monitoring and control system
4465463683Blocked call notification system
4475436967Held party call-back arrangement
4485434906Method and apparatus for processing an incoming call in a communication system
4495428608Call connection technique
4505425092Delayed cancel call waiting
4515418846Call waiting indicating method and system
4525410593Method and device for displaying a hold service on multifunction telephone set and an exchange
4535410591Private branch exchange with resumption of interrupted communication
4545410541System for simultaneous analog and digital communications over an analog channel
4555408525Diverter interface between two telecommunication lines and a station set
4565394465Parallel phone detection circuit

1994

4575363429Radio telephone device capable of identifying an interrupting caller and telephone system using the same
4585345380System and processes specifying customized customer telecommunication services using a graphical interface
4595337351Feature interaction arbitrator
4605327488Remotely initiated telemetry calling system
4615315646Systems and processes for providing multiple interfaces for telephone services
4625311589Apparatus and method for audible signaling tone recognition
4635309512Call waiting deluxe feature
4645309505Automated voice system for improving agent efficiency and improving service to parties on hold
4655287401Apparatus and method for a modem for detecting a call waiting signal

1993

4665267305Transparent inband signaling
4675263084Spontaneous caller identification with call-waiting
4685241588Systems and processes providing programmable or customized customer telephone information services
4695241580Method for validating customized telephone services
4705230018Communication system for activating an optical display in a communication terminal of a communication switching station
4715204861Key telephone system with enhanced connectivity
4725195131Private branch exchange system
4735195087Telephone system with monitor on hold feature

1992

4745155761Automatic call back system and method of operation
4755142572Telephone terminal discount accessory device
4765131031Hold circuits for telephone systems
4775128990Method for exchanging a buzz signal between keyphone subsets
4785091934Tone modification system for telephone system with clock

1991

4795061992TV phone communication system and apparatus therefor
4805046087Attendant console for telephone exchange
4815034975Voice announcement device for improving functionality of multi-line telephones
4825031210Telephone apparatus
4835007076Call announcement arrangement
4845003587Telephone on-hold device
4854995074Switched line modem interface system
4864991203Line switching apparatus and method

1990

4874975944Method of making call-wait and call-alternation in electronic private branch exchange (EPBX)
4884958370Control system for a plurality of telephone sets
4894953204Multilocation queuing for telephone calls
4904947421Call waiting arrangement providing options to both a subsequent calling party and to the called party
4914942601Method of making a call reservation and sending an interrupt tone in a private branch exchange (PBX)
4924926470Telephone call screening circuit
4934922523Videotex with telephone call screening system
4944920556Telephone with built-in emergency panic switch, long distance toll timer and music on hold cards
4954899381Single-line telephone hold circuit
4964899378Telephone announcement system
4974899358Call announcement arrangement

1989

4984878240Multi-service telephone switching system
4994873719Enhanced calling number delivery service system
5004870680Communication apparatus having a communication hold function
5014852151Modem with call waiting
5024841566Hold and dial accessory for telephone instrument
5034834551Call holding alert system
5044803718Hold detecting and control circuit for a key telephone system

1988

5054794639Method and apparatus for automatically transmitting a message to a telephone terminal
5064731822Held party notification feature

1987

5074674118Telephone line hold and hold release apparatus
5084661975Enhanced call-waiting service
5094656660Office line holding circuit with an automatic release function for direct connection telephone system

1986

5104588865Music on hold for key systems
5114577067Remotely controlled telephone hold program system

1985

5124551582Circuit for automatically releasing holding state of telephone system
5134529843Subscribers telephone hold circuit with automatic disconnect
5144517414Hookswitch bounce resistant telephone hold-mute circuit
5154492822Telephone hold circuit with improved self-limiting amplifier for injecting an audio signal during hold conditions

1984

5164488009Compact telephone unit with a plug-in module
5174480152Methods and apparatus for protecting line relay contacts in a telephone switching system
5184454385Latching relay hold release circuit for a telephone instrument
5194451706Telephone substation transmitter muting circuit
5204447674Electronic hold release circuit
5214445003Improved connection arrangement for connecting series and shunt utilization circuit to a communications channel
5224443665Privacy and hold circuit for telephone
5234440981Electronic hold circuit
5244435622Latching relay hold circuit for a telephone instrument
5254429187Audio distributing system
5264425479Apparatus for annunciating the completion of a telephone call hold interval

1983

5274419543Tone activated hold circuit
5284415776Telephone music-on-hold device
5294387274Hook flash signal actuated telephone control device

1982

5304365117Telephone hold circuit
5314351987Telephone line circuit hold arrangement
5324311880Key telephone hold arrangement

1981

5334298774Call waiting signal arrangement
5344258232Line hold circuits
5354243844Hold circuit for telephone system

1980

5364219701Tone generating hold impedance circuit for key telephone line circuits

1979

5374169216Electronic hold and hold-release circuit for a telephone set in a multiple extension single line telephone system
5384149042Modulated RF carrier distributing arrangement for key telephone line circuits
5394140880Hold tone scanner

1978

5404093829Single line telephone hold circuit
5414090038Audio signal on hold circuit
5424088846Hold-plus-intercom for single-line stations

1977

5434056695Key telephone line circuit tone-on-hold arrangement
5444011413Hold circuit for telephone
5454001520Hold circuit for telephones

1976

5464000375Automatic call transfer circuit for a plurality of telephones
5473997734Telephone hold attachment
5483943290Semi-automatic telephone-answering system
5493937901Lamp control circuit for key telephone systems
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017