Abstract: The invention discloses a method and system for processing a telephone call to an on-line subscriber, when the subscriber telephone line is busy as a result of the on-line connection. The subscriber sets an on-line state, the state being available-for-incoming-calls or not-available-for-incoming-calls. Once the subscriber sets the on-line state, telephone calls to the subscriber telephone number while the subscriber is on-line are processed according to the on-line state. As examples, if the state is available-for-incoming-calls, the subscriber is notified of the incoming call and the call is processed according to the subscriber's instructions. If the state is not-available-for-incoming-calls, the caller may be informed and the call is forwarded to another number or sent to messaging according to the subscriber's preset instructions.

Abstract: A system and method for providing a hold operation from a mobile telephone. When a call is received and the mobile telephone user cannot readily answer the phone, he presses a “hold” key on the mobile telephone. The hold key plays a message to the caller informing the caller that the receiver intends to answer the call momentarily. In this manner, calls received in places where mobile telephone calls are discouraged or prohibited can be placed on hold until the receiver has moved to a location where he can answer the call. For example, in a theater incoming calls can be held so the user can move to a hallway where he can answer the call and talk to the caller. Wireless technology (Bluetooth) is used to automatically hold calls when the mobile telephone receives a command from a server that installed in the theater or other public place.

Abstract: A method of disabling call-waiting before receiving incoming digital data. An incoming call is answered by connecting a first line and a second line. The first line is then connected to a third line of a three-way calling feature. A dial tone is detected on the third line. A call-waiting disable signal is transmitted over the third line. The connection between the first line and the third line is terminated. The digital data is then received over the first line and the second line.

Abstract: A telephone user sets up a “personalized” menu identifying a set of information options from which he or she desires to select when placed on-hold in a telephone system. The user's personal preferences are then saved. When the party later makes a call to a telephone system or is called, and then is placed on-hold, the party's telephone service provider or local equipment accesses the user's personalized menu and offers the one or more information options as defined in the menu. In an illustrative embodiment, the personalized menu options are voiced over the telephone line and the user then makes selections using keypad (i.e. DTMF signaling) or voice input. A response may be interrupted to make another menu selection, or to repeat the current response. If the response being played has not completed when the other party returns, that response is suspended and may be completed when the user is placed back on hold or the call is completed.

Abstract: Methods and systems are disclosed for selecting the content of Internet Call-Waiting messages. One method includes providing a selection of content for an Internet Call-Waiting message and allowing a customer/user to select the content of the Internet Call-Waiting message. The customer/user may select graphics, animation, and sound to accompany the Internet Call-Waiting message. Once the content is selected, the customer/user may then associate the content with a telephone number.

Abstract: A platform provides access to multiple telecommunications services via a single telephone number. These services may include, for example, voicemail services, facsimile messaging services, paging services, and outbound calling services. A guest caller may call the single phone number to speak to a subscriber, leave a voicemail message for a subscriber, leave a facsimile message for a subscriber, or place a page to a subscriber. A subscriber may call the phone number to place outbound calls. In addition, a subscriber may call the single phone number to retrieve or send facsimile messages and/or voicemail messages. A subscriber may also call the phone number to configure service options. For instance, a subscriber may select routing options and choose what services are available to guest callers.

Abstract: A system and method is provided for providing call subject information to a destination device. A call subject platform provides a selection menu to an originating device to receive call subject information. If call subject information is received at the call subject platform from the originating device, then the call subject platform sends a summary of the call subject information to the destination device.

Abstract: A communications system is designed to present a number of options to a caller who is attempting to reach a call-waiting subscriber already busy on a first call. The options are presented to the caller via an announcement that offers the caller the alternative of either sending immediately a conventional call-waiting alert signal to the subscriber, or leaving a message that is automatically delivered to the subscriber immediately after the subscriber terminates the first call.

Abstract: When a caller calls a call busy called station, the caller may request that a message be provided to the called station while the caller waits. In such instance, the called station receives the message while busy with the other call. The message may be speech indications provided by the caller which are received by the called station at a volume normally associated with a whisper. The speech indications may be recorded from the caller and the caller given an opportunity to edit same before they are sent. The message may also be a text message where the called station supports text or has an associated text-based telephone appliance.

Abstract: A communication session is established between an APCM modem and a DPCM modem. The central office interrupts the communication session by transmitting a call-waiting alert signal to the APCM modem. In response to the alert signal, the APCM modem transmits a caller ID data request to the central office. The APCM modem further transmits an on hold notification to the DPCM modem to prevent the DPCM modem from terminating the communication session as a result of the interruption by the alert signal and/or receipt of the caller ID data by the APCM modem. The DPCM modem is placed on hold while the APCM modem answers the call waiting. Subsequently, the APCM modem initiates a quick connect procedure to re-establish the communication session with the DPCM modem.

Abstract: A system is disclosed for accurately detecting an alert signal. Improving detector accuracy decreases missed detects and false detects. In one example embodiment the detector monitors received telephone signals for an alert signal such as a CPE alert signal. In such a configuration, the invention processes the received signal prior to monitoring by the detector to remove or reduce unwanted echo, interference and/or other signal portions that may otherwise inhibit accurate detection of alert signals sent from a remote location. In one configuration, the invention performs echo suppression or cancellation on the received signal to eliminate or reduce echo, such as may be introduced by a hybrid.

Abstract: The invention discloses a method and system for processing a telephone call to an on-line subscriber, when the subscriber telephone line is busy as a result of the on-line connection. The incoming call is forwarded to a server, where the calling station is given an option to leave a recorded message and particulars of the call (date and time) and calling station (telephone number and caller identification) are stored in a call-back list server. The system sends an alerting message to the data terminal of the on-line subscriber, where an icon, representing calls stored in the call-back list, is displayed to the subscriber. The subscriber may review particulars of calls stored in the call-back list and may return calls while remaining on-line using Internet telephony, or by other means, such as a TAPI interface. The subscriber may also review or retrieve stored messages in the voice-mail server while remaining on-line.

Abstract: A method and system are provided for delivering personalized messages to a calling party who calls a called party who is engaged in an Internet session over a telephone line not capable of receiving telephone calls without interrupting the Internet connection. The called party receives a notification on her computer screen of an incoming telephone call from a calling party. A drop box on the called party's computer temporarily interrupts the called party and identifies the calling party. The called party may answer the call, forward the call to a separate telephone number, place the call on hold, send the call to voice mail, or type, select or record a personalized message that is delivered to the calling party without interrupting the Internet session. The personalized message may be a text message or a voice message. Text messages are converted from text to speech before delivery to the calling party.

Abstract: A telecommunications server (12) includes a timed recall request unit (202) coupled to a timer (200). The timed recall request unit (202) interfaces to the call park service (100) and/or the call hold service (101). When a request for a call park or call hold is made, the user is given the option of electing timed recall or no recall. If a timed recall is desired, the timed recall request unit (202) is accessed to permit the user to either accept a default length of time or to input a desired length of time. If the user manually retrieves the held or parked call prior to expiration of the timer, the timer (200) is reset.

Abstract: Telephones are able to exchange arbitrary messages over a public-witch telephone network. Messages are created and sent to a switch. The switch transfers the message to a called party telephone. The switch sends data indicative of the end of the message to the called party telephone. Computers can send messages to telephones over the PSTN in this manner as well. Messages can be sent whether the called party is using the called party telephone or otherwise unable to immediately answer the called party telephone.

Abstract: A method of identifying an other party associated with identifying information engaged in communication with a called party, includes the steps of: receiving a call for the called party, receiving an indication that the called party is engaged in communication with the other party, receiving a request for the identifying information; and receiving the identifying information. An apparatus for identifying a third party engaged in communication with a called party may include a node for receiving a call for the called party, receiving an indication that the called party is engaged in communication with the other party, receiving a request for the identifying information, and receiving the identifying information. The apparatus may also include a timer associated with a preselected timeout period.

Abstract: A caller makes (302) a telephone call to a second telecommunication system (108) from a telephone port (202) in a first telecommunication system (104). The first telecommunication system then ascertains (304) whether the second telecommunication system is a type for which receiving music on hold is appropriate. The first telecommunication system disables (308) music on hold for the telephone call, in response to ascertaining that the second telecommunication system is not the type for which receiving music on hold is appropriate.

Abstract: An audio alerting announcement signals a subscriber 80 during an ongoing call with a distinctive tone to indicate the identity of another party who is trying to call the subscriber. A telephony call-waiting subscriber customizes Call Waiting indicators in order to give immediate recognition of caller or caller classification via audio signaling. The caller or caller classification is based on the calling party's Line Number ID. This capability is not restricted to the public switched telephone network (PSTN) environment, but will function equally well in a voice-over-IP telephony network as well, on a network such as the World Wide Web, or will function in a hybrid system containing elements of both PSTN and voice-over-IP networks.

Abstract: A master telephone set constituting a telephone control system includes status setting unit, status discrimination unit, incoming-call detection unit and notification unit, and master-set control unit for controlling the operations of the respective unit. When, in a state where the incoming-call detection unit has detected a new incoming call signal from any other line, it has been discriminated by the status discrimination unit that one line is in a talk holding status, the master-set control unit controls the notification unit so that the pertinent incoming call is notified by, at least, tone information. On the other hand, when it has been discriminated by the status discrimination unit in the same state that one line is in a talking status, the master-set control unit controls the notification unit so that the pertinent incoming call is notified by, at least, visible information.

Abstract: A system and method of integrating outbound text messaging capabilities to a telephone call center management system, wherein outbound text messages are a secondary means by which a customer can be contacted, the primary means being voice communications between a call center agent and the customer. The system includes a telephone call management system including a dialer for dialing a plurality of contact telephone numbers included in said at least one call record in a call list. Each call record includes a primary customer contact identifier, such as a voice line telephone number and at least one text message destination identifier, which is included as a secondary customer contact identifier. The system also includes a text message processing system, including text message memory for accepting and storing at least one text message for transmission to a text message receiving device and for transmitting the text message upon connection to the text message receiving device.

Abstract: An intelligent telephone network provides personalized communication services based on a voice identification of the subscriber. The network executes a speech processing operation to identify the person or a party that the person is calling as a known subscriber. The network can provide personalized services to several subscribers sharing a common line. For incoming calls to such a line, the network executes an interactive procedure to determine from the caller which subscriber is being called. If the line is free, the switch applies distinctive ringing. If the line is in use, the switching office uses the profile of the identified subscriber to provide a distinctive call waiting tone or a voice message over the line. The tone or voice message indicates to the party using the line that there is a call waiting and specifically identifies the called subscriber.

Abstract: A method and apparatus for providing a hold termination message service in a communications network. An on-hold telephone call between a hold initiating party and a holding party is monitored at a network node for a hold termination signal, such as a DTMF signal, from the holding party. A hold termination message can be recorded when the hold termination signal is detected. The hold termination message is then delivered from the network node to the hold initiating party.

Abstract: The present invention allows a single trigger, such as a Termination Attempt Trigger, to invoke multiple feature service logic programs (feature SLPs) through the use of a Feature Interaction Manager service logic program (FIM-SLP) installed at a service control point (SCP). A database, accessible by the service control point, contains subscriber information such as the type of services subscribed and the order in which the services are to be invoked. The Feature Interaction Manager service logic program invokes individual feature SLPs based on the information contained in the database that specify how the feature SLPs will interact. In one embodiment, the present invention allows multiple services to be deployed within a common service control point. In a different embodiment, the Feature Interaction Manager service logic program located in a first service control point can also invoke features SLPs that are located in other service control points.

Abstract: Systems, methods, and apparatuses are disclosed for providing Caller Control of Internet Call Waiting (ICW) Services. In an embodiment, a calling party places an incoming call to a called telephone number having an active ICW session and data connection. The calling party may enter an authorized code that authorizes interruption or disabling of ICW and the data connection. The interrupt code entered by the calling party is received in a telecommunications network, such as, for example the Public Switched Telephone Network (PSTN) or a mobile switching network. The telecommunications network verifies that the interrupt code to enable caller control, and, thereafter, disables or interrupts the ICW session and data connection to connect the incoming call.

Abstract: Systems, methods, and apparatuses are disclosed for providing Internet Call Waiting (ICW) Messaging Services. In an embodiment, a calling party places an incoming call to a called telephone number having an active ICW session and data connection. A telecommunications system allows a calling party to communicate an ICW message to a computer system engaged in the ICW session and data connection. The telecommunications system may also allow a called party (e.g., the user of the computer system) to communicate a response to the ICW message and, thus, allow interactive ICW messaging.

Abstract: Selective filtering of an incoming telephone call is provided wherein a caller ID information of a third party wishing to converse with a first party already engaged in conversation with a second party is retrieved. The priority level associated with the third party is then determined and compared to a priority level associated with the second party. In the event that the third party has a higher priority level than the second party, the first party is alerted to the occurrence of the incoming call. Alternatively, if the third party has a lower priority level than the second party, the incoming call to an alternate destination.

Abstract: A system and method for detecting a condition of an extension telephone is presented for processing caller ID information. A reference value of a telephone line connected to an apparatus is first determined. An auxiliary telephone connected to the apparatus is then disconnected. A second value of the telephone line is determined while the auxiliary telephone is disconnected. The reference value and the second value of the telephone line are compared to determine the condition, such as off-hook, of the extension telephone.

Abstract: A holistic, automated, personalized telephone call management system is capable of responding to all incoming calls. The system employs customized software, computer chips, printed circuit board, ANI, where available, and a data input/output module, which are applied in an integrated manner to accomplish a broad array of functions important to modem household communication needs. System accepts operational time factors and telephone numbers as stored data to be matched automatically with the telephone numbers of incoming calls. The telephone rings under certain qualifying criteria, and an incoming call is passed in silent mode to a smart answering machine under other criteria. The smart answering machine is capable of handling emergency call situations, and the integration of call-waiting options. System also has a smart software function to deal with a state of delinquency on any lease/rent contract for the system.

Abstract: Reliably detecting voiceband signaling tones at a subscriber or network device in the presence of near-end and far-end speech occurs by eliminating, rather than balancing, near-end talk-off and by separately handling far-end talkoff and near-end talkdown. A tone detector is placed on the receive path of the device. One or more frequencies that comprise the tone to be detected by the tone detector are attenuated/removed from the near-end speech present on the send path of the device thereby preventing the near-end speech from talking-off the tone detector. Near-end talkdown and far-end talkoff are eliminated by utilizing two separate signal-to-guard ratios within the tone detector: a large signal-to-guard ratio to combat the effects of the far-end talkoff and a small signal-to-guard ratio to combat the effects of the near-end talkdown. The tone detector is switched between the two signal-to-guard ratios by predicting whether the near-end is speaking.

Abstract: A communications apparatus establishes a communications session with a remote location and receives a request to place the communications session into monitored suspension. While in monitored suspension, the apparatus maintains the communications session, periodically communicates a prompt to the remote location, and monitors the session to detect an appropriate response from the remote location. When an appropriate response is received from the remote location, the apparatus signals the user and allows the communications session to proceed with normal processing.

Abstract: A method for providing a wait-time service in a telecommunications network and a telecommunications system, comprising user terminals connected to a network via radio path. When a terminal user must wait for a requested service from the service provider, this is often indicated by a queue tone, a busy tone, or a piece of music, depending on the terminal used. The objective of this invention is, on the one hand, to avoid compressing and coding messages, such as a piece of music, and on the other hand, to avoid wasting a lot of spectrum. This objective is achieved by offering a new service by means of which it is possible to start and execute a wait-time service at the terminal of the user when the requested connection is not available immediately. However, the wait-time service can be provided in fixed networks, too.

Abstract: A communication system includes a controller, a data pump under the control of the controller and a data access arrangement under the control of the controller. The controller establishes a data communication session with a remote communication system using the data pump and the data access arrangement. The controller then places the communication session in an on-hold state for a period of time and generates an indication relating to a status of the on-hold state. The controller may generate a sound as an indication or may transmit data relating to the status. The sound may be generated by toggling a relay in the data access arrangement, by transmitting a tone or by transmitting an audio sample. The audio sample may be generated by a codec controlled by the controller. The indication is generated to provide a progress notification relating to the period of time, a warning notification relating to the period of time or an expiration notification of the period of time.

Abstract: A system and apparatus provides a voice message of a calling party to a called party. The method includes the steps of initiating a telephone call to the called party over a first network and receiving the telephone call at a network node within the first network. The method further includes the steps of determining whether the called party is on-line a second network and receiving the voice message from the calling party. The method further includes the steps of converting the voice message to a digital file and sending an electronic mail message that includes the digital file to the called party.

Abstract: A technique for notifying a person who is engaged in a telephone call with a second person that a third person is calling him or her is disclosed. The notification comprises not a series of beeps but a voice—synthetically generated or pre-recorded—that has at least one different psychoacoustic characteristic than the voice of the second person. By using a notification that is psychoacoustically different than the voice of the second person, the ability of the first person to simultaneously perceive and understand the notification and the voice of the second person is enhanced. Example psychoacoustic characteristics of a voice include, but are not limited to, the gender of the speaker's voice (i.e., male or female), the natural language of the speaker's voice (e.g., English, Spanish, French, etc.), and the smoothness of the speaker's voice (e.g., silky or raspy, etc.).

Abstract: A technique for notifying a person who is engaged in a telephone call with a second person that a third person is calling him or her is disclosed. In particular, the illustrative embodiments wait for an “appropriate opportunity” to notify person 101-1 of the arrival of the incoming message from person 101-3. For example, the appropriate opportunity is chosen so that it is, at least potentially, less disruptive to the conversation between person 101-1 and person 101-2 than would an arbitrarily-timed notification.

Abstract: A technique for notifying a person who is engaged in a telephone call with a second person that a third person is calling him or her is disclosed. The notification comprises not a series of beeps but a voice—synthetically generated or pre-recorded—that has at least one different psychoacoustic characteristic than the voice of the second person. By using a notification that is psychoacoustically different than the voice of the second person, the ability of the first person to simultaneously perceive and understand the notification and the voice of the second person is enhanced. Example psychoacoustic characteristics of a voice include, but are not limited to, the gender of the speaker's voice (i.e., male or female), the natural language of the speaker's voice (e.g., English, Spanish, French, etc.), and the smoothness of the speaker's voice (e.g., silky or raspy, etc.).

Abstract: A system and method for providing an on-hold call with a selectable continuous tone source using a service node, comprising a service switching point of a central office connected to a service logic program provisioned on a service node. Using the capabilities of the service node, the service logic program plays a continuous tone through a permanent trunk line connecting the service node to the service switching point. When the service switching point puts a call on hold, the service switching point connects the call through the permanent trunk line to the service logic program that is playing the continuous tone. As a result, the caller hears the continuous tone while the service switching point has the call on hold.

Abstract: A method and system for real-time monitoring voice mail during an active call includes generating a duplicate of a calling party voice stream being recorded by voice mail for a called party on a call with a previously connected party. The duplicate calling party voice stream is combined with a previously connected party voice stream to generate a combined voice stream for the called party. The combined party stream is played to the called party during the call.

Abstract: A method and system are disclosed for providing an enhanced call waiting announcement to a called party that is busy on a first call and receives a second call. Information provided by a second calling party is recorded and played back to the called party after the first call is over. The called party is not interrupted during the duration of the first call.

Abstract: A method of providing a user the option to accept an incoming call, play a prerecorded message to the incoming party, ignore the incoming call or forward the incoming call to a separate telephone number is disclosed for use when the user is connected, via the same telephone line, to the Internet. The disclosed invention reduces the number of times the incoming call is transferred which reduces the number of reserves used in processing the incoming call. This reduction frees up system resources and allows overall system resources to be used more efficiently.

Abstract: A method of automatically sharing and transferring information between a Work at Work (WAW) ISDN telephone and a Work at Home (WAH) ISDN telephone. This information includes, calling line identifier delivery from the WAW telephone to the WAH telephone, facilitating subsequent transferring of the call to the WAH telephone if desired. Message waiting status is also shared, facilitating the coordination of message waiting lamps at both the WAW and WAH telephone. Information from one telephone to the other is carried transparently through the ISDN network as user-to-user information, calling party subaddress, D channel X.25 packet message, lower layer compatibility or a combination of these elements. The telephones automatically establish ISDN calls between themselves and swap information pertaining to the status of the companion telephones.

Abstract: In a packetized communications system call waiting functionality is expanded to provide for handling of unlimited calls concurrently of one or more service types. When a subscriber is engaged in an ongoing call, incoming calls can be placed on a call queue by a call manager such that bandwidth and other resources are not allocated to a waiting call between the call manager and broadband residential gateway, and thereafter can be accessed by the subscriber in the order received or in the order desired by the subscriber. For subscribers with a device having video display capability, identification information regarding each call in the queue such as service type waiting time and caller identification information may be displayed at the subscriber's premises to allow the subscriber to manage their incoming calls. Also, a particularized tone may be heard to identify the incoming call including its service type.

Abstract: A method and system are disclosed for providing an enhanced call waiting message to a customer when the customer is busy on a previous call and receives a current call. The call waiting message preferably includes a call waiting indicator and an audible representation of information associated with a current calling party. The call waiting message alerts the customer that a current call is waiting and provides the customer with information that assists the customer in deciding whether or not to take the current call. The call waiting indicator and the information associated with a current calling party are automatically transmitted to the customer without any customer commands.

Abstract: A method and system are disclosed for providing an enhanced call waiting message to a customer when the customer is busy on a previous call and receives a current call. The call waiting message preferably includes a call waiting indicator and an audible representation of information associated with a current calling party. The call waiting message alerts the customer that a current call is waiting and provides the customer with information that assists the customer in deciding whether or not to take the current call. The call waiting indicator and the information associated with a current calling party are automatically transmitted to the customer without any customer commands.

Abstract: Incoming calls from selected calling numbers are routed to call waiting for immediate response while calls from other calling numbers are handled in a different manner, e.g., they are routed to voice mail, to a forwarding number, or scheduled for call back. In order to route calls from selected calling numbers to call waiting, the subscriber enters the directory numbers of selected callers (or other caller identifying indicia) on the subscriber's telephone keypad together with an activation code for storing this information in a caller identification (ID) table, or data base. Each time an incoming call is received, the incoming call number (or other caller identifying indicia) is compared with the contents of the caller ID table and the call is routed to the call waiting function if the incoming call number is stored in the caller ID table.

Abstract: An apparatus and method for an alert and signal management device for an already engaged telephone line is described. The device can interface to either a modem of FAX or answering machine, and to a telephone and is triggered by conventional call waiting or distinctive call waiting SAS tones. It will alert by audible and visual means. When a subscriber answers the third party's call a switching circuit is activated that disconnects any local modem or FAX interfaced to the device and signals a switch-hook flash. This allows a call waiting party to commence in conversation or a data-signal to be received. The device also incorporates a switch to select automatic answer mode to allow a subscriber to share an engaged telephone line with in-coming calls to a FAX machine. Upon completion of these in-coming calls the device will automatically switch back to the previously engaged telephonic device.

Abstract: A call treatment system and method in a multimedia-capable network for providing an enhanced call waiting service wherein multiple calls waiting to be serviced are accorded different treatments based on multimedia responses. When a network element serving a subscriber currently engaged in an established call connection with a party receives an indication that an incoming call is being directed towards the subscriber from at least one calling party, a multimedia session engine is invoked by the network element to launch a call treatment application for the subscriber. If the number of calls allowed to wait on the subscriber exceeds a predetermined maximum value, the incoming call is accorded a predetermined default treatment. Otherwise, the call treatment application is operable to query a subscriber profile associated with the subscriber to determine a suitable multimedia interface to be presented for effectuating a response using a browser-based interactive system.

Abstract: This invention relates to apparatus and method in conjunction with a service wherein a called caller identification (caller ID) customer is provided a promotional message such as “We Are Talking Chevrolet”, rather than a conventional privacy message such as “anonymous caller”, during a silent interval between intermittent ringing signals or after a call waiting (CW) tone when a calling party or a local switching office of the calling party has invoked a privacy option to prevent the delivery of the calling party's directory telephone number with or without a corresponding name (DN) to customer premises equipment (CPE) of the caller ID customer. In accordance with this invention, when the calling party's DN is received at a local switching office (LSO) of the caller ID customer flagged as “private” indicating that the DN may not be disclosed to the caller ID customer, the LSO sends the intermittent ringing signals or the CW tone to the caller ID customer.

Abstract: A method for providing a call waiting notification to a participant in an existing telephone call includes the steps of establishing a telephone call with a calling party. A specified telephone number of the participant in the existing telephone call is received from the calling party. A distinctive call waiting tone is caused to be sent to the participant wherein the distinctive call waiting tone is specified with the calling party. Responsive to the participant electing to speak with the calling party, the established call is transferred to the participant. A system for providing a call waiting notification to a participant in an existing telephone call is also disclosed.

Abstract: A method and apparatus are described for using a series of signals that create an illusion of a continuous ascending or descending series of pitches as call waiting or call progress or process progress signals. In a preferred embodiment, a condition appropriate for representation by a call waiting or call progress or process progress signal is detected and, in response thereto, a series of signals is generated that creates an illusion of a continuous ascending or descending series of pitches. Preferably, the series of signals is Shepard's tones and the tones are generated by generating a plurality of tones, or partials, at octave intervals, amplitude filtering the partials to produce an amplitude envelope that peaks near the centermost partial or partials, and shifting the partials upwards (or downwards) through the octave in steps that are a fraction of an octave and preferably are a semitone.