Abstract: The invention provides a computer-implemented municipal bond trading system having a capability to conduct a private electronic auction of bid wanteds between a central brokers' broker and multiple prospective remote bidders and to maintain a reference database of accurate bond lot descriptions and identifications, notably, CUSIP (trademark) numbers.

Abstract: An apparatus, system and method automatically receive remote communications and automatically print paper copies of messages within the received communications. In a telephone technician's van, a pager is directly connected to a printer. The pager automatically receives a message and transfers the message to the printer, and the printer automatically responds to print the message onto paper.

Abstract: An interference radio wave elimination device receiving input signals including desired radio frequency signals and interference radio frequency signals that interferences desired radio frequency signal, and then eliminates the interference radio frequency signals. First, an amplifier amplifies the interference radio frequency signal. A digital demodulator (17) demodulates the interference radio frequency signals amplified by the amplifier. A digital modulator (18) modulates the internal carrier signal to make interference radio frequency signals in a digital form by using the demodulated interference information. An adder (21) eliminates the interference radio frequency signals of the digital form from the input signals.

Abstract: Personal emergency response communication apparatus is a new and useful improvement for pager to access 911 system to call for help (Police, Fire Department and Paramedic). Equipped with a preprogrammed switch to 911 system, a micro computer chip for memory, mini speaker, microphone and an antenna. Upon triggering the emergency 911 switch, an internal preprogrammed system transmits an encoded message to 911 Emergency Response Center in the immediate area. The personal emergency response communication includes at least one communication system, remote communication device, and at least one MSC and PSTN System. In response to a paging message from a paging party, the communications system transmits audible messages corresponding to the paging messages via a communications link. Once connection is completed the "911" number characters will show on the display window of the pager. User can talk on the microphone and listen on the speaker for the emergency operator's response.

Abstract: An integral radio pager within each remote switch of a switching system with all pagers in the remote switches sharing the same paging service number with respect to a public paging service. When a central processor that is controlling the operation of all remote switches performs a maintenance restart operation with respect to one of the remote switches, the central processor requests that the public paging service page the common service number. The central processor also provides the paging service a paging message that defines which remote switch is to respond to the page. Each integral pager is responsive to the page to interrupt an associated remote processor. In turn, each remote processor is responsive to the pager to examine the paging message and only responds if the remote processor finds its own identification number in the paging message.

Abstract: A communication paging device whereby the coding mechanism allows messages to be constructed using bit-stream syntax blocks. Each syntax block is designated with a category such as a sentence format, subject, verb, location modifier, location, date modifier, date, time, and etc. Within each syntax block category is a set of variable code values that will translate into a screen display of alphanumeric characters to form both words and graphical screen elements. By using the coding mechanism, the syntax blocks are concatenated to form meaningful sentences with words arranged in a logical syntax order for that particular language. The conjugation of words in the sentence are easier and require less Boolean type functions to arrive at the conjugate word. The use of syntax blocks gives flexibility to allow conversion of statement sentences to question sentences, and question sentences into statement sentences.

Abstract: In a radio pager capable of receiving a paging signal subjected to multilevel digital frequency modulation, an analog-to-digital converter (ADC) receives a demodulated voltage signal in the form of an analog signal from a demodulator. The ADC functions to define the upper limit of an analog signal conversion range with a first reference voltage and to define the lower limit of the same with a second reference voltage. Even when at least one of the demodulation sensitivity and demodulated center voltage of the demodulated voltage signal changes with a change in temperature and causes the signal to change, the relation between the signal range of the demodulated voltage signal and the analog signal conversion range of the ADC is maintained constant. Therefore, even if the demodulated voltage signal before temperature compensation changes, the ADC is capable of outputting a stable digital signal identical in content or data with an intermediate frequency signal input to the demodulator.

Abstract: A method for handling alarm conditions from paging stations in a paging system is disclosed. The paging system includes a paging terminal, a plurality of paging stations, and a network manager. When a paging station has an alarm condition, the paging station forwards the alarm to the network manager, which in turn compares the alarm with an alarm record for that paging station and determines whether or not that alarm is a higher priority than the previous alarms received from the paging station. If so, the network manager transmits a signal to the paging terminal to page the technician responsible for servicing that particular paging station. The technician is paged and dispatched to the paging station for service.

Abstract: Number of transmissions is counted for each of the destination telephone numbers and the transmission messages, and the counted number of transmissions is stored in association with the destination telephone number and the transmission messages. After the stored number of transmissions has exceeded a predetermined number, the reaching is notified at a predetermined interval. The telephone number, the transmission message and the number of transmissions are displayed concurrently with the notification, and DTMF signals are automatically produced by operation with keys.

Abstract: A relay apparatus requests entry of a pager number of a person, when the person either accessed a pager through dialing or accessed the relay apparatus through a telephone line. If the pager number is successfully recognized, the relay apparatus informs the person who made the access of the state of messages stored corresponding to the recognized pager number, and requests instruction for a next operation through the telephone line. If replaying is instructed, a stored message is replayed. If recording is instructed, a message of the person who made the access is recorded to a storage box for a person addressed, and a pager of the person addressed is called up afterwards. The relay apparatus operates in a similar way when the person addressed makes an access.

Abstract: In a selectively called radio receiver operable with battery saving and including a memory (21) for predetermined bit rates and predetermined formats (synchronizing signals, each accompanied by at least one identification code specific to the receiver) in correspondence to the bit rates a received radio signal of a good received state is demodulated into a demodulated signal including at least one selective call signal and having an input bit rate, which is judged as an adjudged bit rate if identical with one of the predetermined bit rates with an error allowed. Provided that the demodulated signal has at least one of the predetermined formats that corresponds to the adjudged bit rate and provided that the selective call signal includes the identification code according to the at least one of predetermined formats, a message signal is produced from the demodulated signal.

Abstract: A wide area paging service processing method for a radio paging system connected to a public switched telephone network and having a paging system capable of transmitting a radio paging signal.

Abstract: A paging signal transmission equipment and its signal transmission method having the capablity of increasing the rate of meaningful paging request signals to be transmitted within a time period of one transmission cycle are provided.

Abstract: A method and apparatus for placing a user and a caller into communication with each other. The user is equipped with a communicator device which has an information receiver and a transmitter. Information related to a present location of the user as the user moves about an environment is automatically transmitted, such information being based on information received by the receiver. The automatically transmitted information related to the present location of the user is receiver by a receiver. A telephone call from the caller intended for the user is processed and rerouted to the user's present location as indicated by the automatically transmitted information.

Abstract: A method is disclosed for operating a cellular telephone that includes a first step, executed in response to input from a user, of disabling the cellular telephone from receiving cellular telephone calls. A second step then periodically enables the cellular telephone to receive, store and display user-related messages from a network control channel. In one embodiment the step of disabling includes a step of de-registering the cellular telephone from the network, and the step of periodically enabling includes an initial step of re-registering the cellular telephone with the network. The step of disabling may include a step of reducing the power consumption of the cellular telephone. In accordance with a further aspect of this invention the step of periodically enabling includes an initial step of requesting the network to assign the cellular telephone to a predetermined paging frame class that insures that the cellular telephone will receive a paging message from the network every n seconds.

Abstract: A dedicated paging system having single button paging, requiring only a single press of a dedicated button on a page base to automatically page a pager associated with the page base. Information associating the page base with the pager is stored in the page base and/or a database maintained by a paging service provider with which the paging system is registered. When the dedicated button on the page base is pressed, the page base automatically calls the paging service provider. The paging service provider strips the caller identification number from the incoming call, uses the number to look up the pager identification number stored in the database, and then uses the retrieved pager identification number to send a page signal to the pager. Additionally, the paging system is automatically registered with a single press of the button. When the button is pressed, the page base automatically calls a clearinghouse.

Abstract: The present invention is a method within a radio telecommunications network for delivering a telephone call to a mobile station having a telephone portion, a pager portion, and a relay switch between the telephone portion and the pager portion. Data indicating that the mobile station is capable of receiving standard paging messages from a paging network is recorded in a home location register (HLR) associated with the mobile station. The method enables a subscriber to turn off the telephone portion to conserve battery power. When a call is received in a cellular network for the mobile station, and the mobile station cannot be contacted, the cellular network requests an associated paging network to send a page to the pager portion. The paging network is requested to page the pager portion of the mobile station via a datalink from the cellular network. The pager portion then activates the telephone portion through the relay switch, and the cellular network completes the call.

Abstract: A frequency selective noise reduction circuit and finds application in receiver demodulator arrangements in mobile telecommunication base stations. A receive signal is divided into two paths. One path includes a Phase Lock Loop circuit (PLL) which is employed to identify noise. The noise signal is inverted and then combined with the other signal.

Abstract: A voice-pager system that facilitates reception of audio messages by a pager (or voice-pager). The voice-pager is similar to a telephone answering machine. The voice-pager system facilitates transference of greater information content because more information can be entered in a given period of time by a user by spoken voice than with a keyboard.

Abstract: Automatic facility information transfer to remote locations in cross-connect systems is accomplished by providing limited telephone services to wired premises not having permanent telephone service by enabling 911 calls, calls requesting permanent service, operator-assisted telephone company credit card calls, and calls to repair/maintenance centers from personnel in the field. In response to off-hook conditions at prospective subscriber premises or service personnel handsets connected to cable pairs in the field, limited telephone services are provided by a matrix system. Cable pair designations and the dialed telephone number are ascertained to respectively access a database and look-up table to retrieve facility information and protocol information for subsequent transmission of the calling line telephone number and facility information to a paging system.

Abstract: A communication system operative to retrieve communications from a plurality of calling parties by a called party at a plurality of selected secondary party locations, each having a corresponding Customer Premises Equipment (CPE) device and a communication address. The system includes a switch which is provided in electrical communication with the calling party CPE devices and secondary party CPE devices. The system may be adapted for use in both Advanced Intelligent Networks (AINs) and non-AIN arrangements. The system may similarly be provided with Automatic Call Distribution (ACD) architecture or, in specified AIN arrangements, with advanced functionality controlled by a properly interfaced Service Control Point (SCP). The system is operative to place the incoming communication on queue while notifying the secondary party, i.e., the intended recipient, of the communication.

Abstract: A two-way data communication device such as a data ready cellular telephone, a two-way pager, or a telephone communicates via a two-way data communication network with a server computer on a computer network that has an interface to the two-way data communication network, i.e, is coupled to the two-way data communication network. For example, the computer network can be a corporate wide area network, a corporate local area network, the Internet, or any combination of computer networks. The two-way data communication device utilizes a client module to transmit message including a resource selector chosen by the user to a server on a server computer on the computer network. The server processes the message and transmits a response over the two-way data communication network to the client module. The client module interprets the response and presents the response to the user via a structured user interface.

Abstract: A low cost alphanumeric paging entry system is based on a low cost paging (LCP) device to enter paging messages remotely from any telephone. The device is designed to minimize the needs for user training and is intended for intuitive operation by the user. The device uses simplex communications, using a system of Baudot tones, to send the paging message to the paging system for transmission to the intended recipient. A gateway is a device intended to interface between such an LCP device and an otherwise conventional paging system. The gateway provides a series of audible prompts to the user to facilitate easy and intuitive entry of the paging message to the gateway. The gateway then re-formats the paging message into a standard digital paging message format and re-transmits the message to a pagan system for transmission to the recipient.

Abstract: A communication system includes at least one mobile communication device having a message indicator device, and a voice mail messaging center. The voice mail messaging center includes a voice mailbox associated with the at least one mobile communication device. The voice mail messaging center directs a call to the voice mailbox associated with the at least one mobile communication device for recording a message when the mobile communication device is unable to receive the call. The voice mail messaging center optimizes communication from the messaging center to the mobile communication device by sending a first message indicator to the mobile communication device when a voice mail message is recorded and the voice mailbox previously contained no messages, a second message indicator when the voice mailbox is full, and a third message indicator when the voice mailbox becomes empty.

Abstract: A radio pager capable of processing a received message to add information to the message, so that the user may easily see the message on a display. Hyphens or similar symbols are added to a received message signal consisting only of numerals to thereby make it easy to see as a telephone number. The message with such symbols appears on a display. The positions for inserting the symbols are stored in the pager beforehand.

Abstract: This invention provides a mobile communication system in which a call-incoming side can switch a communication line to an appropriate one which corresponds to a communication type requested by a transmitter's terminal. One example of its construction is as follows.A mobile station has a plurality of terminal units corresponding to plural types of communication and a call number is preliminarily assigned to each of them. A terminal unit in a telephone network uses a call number corresponding to a desired communication type when a datum is transmitted to the mobile station. The mobile station informs this call number to all of the terminal units which are connected to the mobile station. The respective terminal units inform the communication type to the mobile station only when the communication type corresponding to the call number can be handled. The mobile station informs this communication type contained in a reception call receiving signal to a mobile communication exchange.

Abstract: A network of interconnected, remotely distributed, location and messaging systems. Each of the remotely distributed location and messaging systems can be dynamically configured to use different frequencies that are assigned to the regions. Each of the remotely distributed location and messaging systems performs location requests for specified subscriber unit using one or more radio frequency transmitting sites and a plurality of radio frequency receiving sites. The location request is initiated by identifying a particular one of the location and messaging systems having a coverage area for the specified subscriber unit. The location request is routed to the identified location and messaging systems, and a unique paging message is transmitted to the subscriber unit. A response is received from the subscriber unit, and forwarded to a processor coupled to the identified location and messaging system.

Abstract: In a radio paging system and a radio paging method, in which all transmitters are simply synchronized with each other with a satisfactory precision. A central exchange and each transmitter are each provided with a GPS clock for measuring time according to a current time transmitted from the GPS clock. An encoder of the central exchange adds to a message received from a network a real time, which is information to specify time to send the message from each transmitter, according to the current time measured by the GPS clock thereof and then distributes the message to the transmitters. A synchronizing section of each transmitter sends from a transmitting unit the message distributed from the central exchange to a receiver at a time specified by the real time added to the message according to the current time measured by the GPS clock thereof.

Abstract: In a radio display pager, the display panel is overlaid with a touch sensitive film and a scan pulse generator is provided. When receiving a paging signal and storing a received message, the scan pulse generator is inactive to avoid interference. The scan pulse generator is activated when a physical key is manually operated for displaying virtual keys by applying a first scan pulse to one end of each horizontal path of the touch sensitive film and a second scan pulse to one end of each vertical path of the film. A pair of coordinate signals is derived from the scan pulse outputs from the other ends of the horizontal and vertical paths. When one of the virtual keys is operated, coordinate signals representing its position are produced and, in response, a corresponding message in the memory is displayed. The scan pulse generator is deactivated when the physical key is operated again.

Abstract: A paging system communicatively connects a first user initiating a page request using a first telephone to a second user receiving the page request using a second telephone. The paging system includes a paging service transmitter transmitting the page request, and a paging device. The paging device includes a page receiver receiving the page request as a first signal, and a first identification device. The first identification device receives the first signal indicating that the page request was received, and includes an identification transmitter for transmitting a second signal indicating that the second user is ready to be communicatively connected. The paging system includes a second identification device, and receives the second signal transmitted by said first identification device. The second identification device transmits a third signal including a destination number corresponding and addressable to the second telephone.

Abstract: A base station for interconnecting via a wireless full duplex communication path, a plurality of stationary intercom unit stations with at least one portable transceiver unit. A page channel interface arrangement coupled to the stationary units and the base station interconnects the stationary units and the portable units with a common paging arrangement to enable all the users of the system to be alerted about messages to be transmitted.

Abstract: An interference detection assembly is disclosed for detecting interference generated from a plurality of signals received by a receiver having a single output signal, the interference detection assembly including a synchronous demodulator having an input line electrically connected to a receiver to receive the single output signal therefrom, the synchronous demodulator converting the single output signal to generate an intermediate frequency signal, the synchronous demodulator having a Q-channel output transmitting a phase of the single output signal out therefrom, and a pilot detector electrically connected to the Q-channel output to receive the phase of the output signal to detect interference.

Abstract: In a selective calling receiver receiving a first message from a transmitting side, a plurality of selective calling signals including messages and linkage orders of the messages, respectively, are sequentially received, and the messages and the linkage orders are stored into a first memory until a selective calling signal including a terminal linkage order is received. When the linkage orders stored in the first memory are numbered consecutively from a predetermined beginning linkage order to the terminal linkage order, the messages are sorted according to the linkage orders stored in the first memory to produce a second message when the linkage orders stored in the first memory are numbered consecutively. And the second message is stored as the first message received from the transmitting side into a second memory.

Abstract: A central station and each base station have a timer indicating time instants coincident with each other. A common transmission start time instant is provided from the central station to each base station so as to match the transmission start time instant to start transmission of the signal frame in each station. The central station makes the call requests of different bit rates contained in one signal frame and broadcasts to each station the transmission start time instant for the signal frame, the order of the call requests within the signal frame, and bit rate switch timings. When the transmission start time instant arrives, the base station reproduces call signals from the call requests in accordance with the designated order. Reproducing clock pulses are switched with reference to the bit rate switch timings sent from the central station. Thus, each station can transmit the call signals of the different bit rates in one signal frame with their phases coincident with each other.

Abstract: A system for integrated data delivery in 9-1-1 calls for service application. Specifically, the invention describes a machine executed method to provide: 1) the ability to capture and utilize decoded caller data--caller data could be in the format of dual tone multifrequency, multifrequency, or frequency shift keying coding formats; 2) automatically interrogate one or more computer databased using caller data (telephone number) as a search key: 3) intergrate and format the caller information as it is returned by the database search--such information could include the address of the caller, the geopolitical jurisdiction information (e.g., the police, fire, or ambulance service responsible for a particular geographic area), and the ability to integrate this information plus any additional information provided by the calltaker; 4) automatically tramsmit the integrated data via a leased or a dial up telephone line to a radio common carrier such as a paging service for broadcast to the end-user.

Abstract: A communications control system is disclosed which includes: a computer including means for storing a schedule for subscribers of the system, the schedule including time and call-processing information for the subscribers which indicate at least one call processing mode and at least one time for a subscriber to have telephone calls processed via the system; a switch controlled by the computer; a communication network for connecting a call from a caller to one or more points on the network; a two-way communications device; a communication apparatus for communicating with the communications device, the apparatus being coupled with the computer for communicating information therewith,the computer being programmed to control the switch to connect the caller, in response to a telephone call placed by the caller, to one or more points on the network selected by the computer using information supplied to the computer by the schedule, the subscriber and the communication apparatus.

Abstract: A method for handling alarm conditions from paging stations in a paging system is disclosed. The paging system includes a paging terminal, a plurality of paging stations, and a network manager. When a paging station has an alarm condition, the paging station forwards the alarm to the network manager, which in turn, compares the alarm with an alarm record for that paging station and determines whether or not that alarm is a higher priority than the previous alarms received from the paging station. If so, the network manager transmits a signal to the paging terminal to page the technician responsible for servicing that particular paging station. The technician is paged and dispatched to the paging station for service.

Abstract: A call placed by a calling party from within the local office or campus area served by an intelligent PBX of a called party who is a subscriber to a personal reach service is held at that PBX for determination of whether the called party/subscriber is within or outside the local area served by the PBX. This determination is made using two-way paging technology through which a pager-carrying called party/subscriber is determined to be within the local area if the two-way pager carried by the called party/subscriber is registered within the area. If the called party/subscriber is determined to be within the local area, then a local page is broadcast to the called party/subscriber and a return call to the PBX by the called party/subscriber is bridged with the call being held from the calling party at the PBX.

Abstract: The purpose of the invention is to provide a radio-pager that allows a user to set any desired call-sign therein and method of radio-paging that not only conducts person-to-person communication but easily realizes transmission from one person to a plurality (N) of persons such as simultaneous transmission of the same message or commercial massage to a number of pagers. The pager receives radio waves by an antenna, demodulates the received signal into digital data by a radio demodulator and transfers the data to a digital circuit that corrects the data for code transmission error caused by affection of fading. A CPU of the pager examines the correctly reproduced data and extracts a call-sign from the data stream. The CPU 25 reads a call-sign stored in a RAM and examines whether the extracted call-sign corrsponds to the stored call-sign. The pager drives an electronic speaker when the CPU detects that both call-signs are identiacal with each other.

Abstract: A wireless telephone system is adapted for serving portable telephone sets of itinerant users. The wireless telephone system is provided with a plurality of radio base stations being organized in at least two groups or paging areas. Each group has a boundary, a portion of each boundary being overlapped by at least one other boundary, and at least two of the at least two groups having at least two radio base stations, one of which is in common with the other group. From time to time in relation to each group, a beacon signal is radio transmitted from a radio base station exclusive to the group for soliciting a recordation response from a portable telephone set of an itinerant user within a beacon zone. When the presence of a respondent portable set is recorded as being within a service area of one of the groups, the portable set is instructed not to respond to subsequent occurrences of the same beacon signal for some hours to avoid cluttering the wireless spectrum with undue supervisory signalling.

Abstract: A two-way communications system provides ubiquitous wireless data communication services, such as throughout the continental United States, by using a network of only a few, widely distributed radio base station (RBS) sites and the existing paging network infrastructure. A network hub or mission operation center (MOC) coordinates the operation of the paging systems and RBSs from a central location. The paging network infrastructure is used as an outbound link over which each of the field units is regularly provided with a outbound data message containing information on the available frequencies and time slots the field units can use to transmit inbound data messages to the RBSs. If any of the field units desires to transmit data to MOC, the field unit selects an available frequency from the outbound data message, and transmits its data at the selected available frequency and time.

Abstract: The invention provides a quadrature demodulator which removes unnecessary higher harmonic signals included in a demodulation output without giving rise to increase in number of externally connected parts and increase in current consumption. The quadrature demodulator includes a first double differential circuit to which a modulated signal and a first local signal are inputted, a first emitter follower circuit for effecting impedance conversion, a second double differential circuit to which the modulated signal and a second local signal having a phase shifted by 90-degrees from the first local signal are inputted, and a second emitter follower circuit connected to a pair of outputs of the second double differential circuit for effecting impedance conversion.

Abstract: A receiver used in a system having a transmitter (10) that sends an exciting signal to a remote transponder (18) is configured to receive a relatively weak signal from the transponder and to cancel out relatively high level interference from the transmission itself. A received frequency shift keying signal is fed to a tuned amplifier (22) for preliminary analog signal conditioning, and thence fed to an analog to digital converter (24). The output of the analog to digital converter is integrated (26) over a selected number of clock pulses and then dumped into a quarter rate quadrature demodulator (60) that multiplies the integrated signal by the same signal delayed by one clock interval. Undesired artifacts generated in the demodulator (60) are removed by a cascade of comb filters (70), and the demodulated digital output is available as the desired output of the receiver.

Abstract: The present invention relates to a radio receiver adapted for use in a time division multiple access (TDMA) system. The radio receiver includes DC compensator circuits configured to decrease the time required to cancel DC offset before received data bursts by DC coupling a radio frequency (RF) demodulator to a baseband channel. The radio receiver may also employ AC capacitive coupling having time modification so as to increase the AC coupled setting time and provide a low pole in a RF-to-Baseband interface.

Abstract: A remote receiving system and apparatus for alerting a mobile communications device user of an incoming call. The remote receiving apparatus is portable and receives a coded radiofrequency signal, including a first preselected identification code, transmitted from the mobile communications device, such transmission occurring upon receipt of the incoming call in the mobile communications device.

Abstract: A method and apparatus, performed by a communication unit (101), for substantially eliminating undesired noise in an audible output signal (113) while a determined quality measure (114) of a received signal (107) is below a predetermined threshold (201). At least a portion the received signal (107) is stored for a predetermined period of time to produce a stored signal (109). A measure of pitch period (111) of the stored signal (109) is determined. When the determined quality measure (114) of the received signal (107) drops below the predetermined threshold (201), a portion of the stored signal (109) is used, responsive to the determined measure of the pitch period (111), to produce the audible output signal (113). To match a boundary between an end of the received signal (107) and an end of the portion of the stored signal (109) a discontinuity between the end of the received signal (107) and the end of the portion of the stored signal (109) at the boundary is determined.

Abstract: A communication system providing selective encoding of digital messages (408) comprising a plurality of transmitting devices (116) and a plurality of receiving devices (122). The transmitting devices (116) transmit an encoded address (404), encoded message vector (406) in a first portion of the message, and digital message (408) in a second portion of the message. The digital message (408) is encoded in the second portion of the message with an error correction code if the digital message is a data message (414), and without the overhead of an error correction code if the digital message (408) is a voice message (410). The receiving device (122) decodes the encoded address (404), encoded message vector (406), and digital message (408) transmitted by the transmitting devices (116) in the first and second portion of the message.

Abstract: An improvement in the transparency of personal telecommunications over the prior art is achieved by automatically placing a return call from a personal communications unit of a called individual in response to a call from a caller and alerting the called individual to the existence of the call placed to his personal number only upon an indication that the call from the calling telephone remains in progress. In one embodiment of the invention, the called individual associates his personal communications unit with a telephone channel, before his reception of any calls. Should a caller make a call to the called individual's personal calling number, the telephone network causes the transmission of an actuation signal. In response to the actuation signal, the personal communications unit places a call to a predetermined number over a switched telephone network using the aforementioned associated telephone channel.

Abstract: A method and apparatus processes a voice message for a selective call transceiver (SCT) (110) in a selective call communication system. A fixed portion (100) of the system accepts and stores (602) the message, transmits (604) a message notification indicative of message size to the SCT, and transmits (608) the message to the SCT in response to receiving therefrom a first acknowledgment. The SCT receives (702) the message notification, and determines (704) whether sufficient memory space is available for storing the message. If so, the SCT transmits (706) the first acknowledgment, and thereafter receives and stores (708) the message. If not, the SCT notifies (716) the user about the memory insufficiency, and withholds (718) the first acknowledgment until an execution of a predetermined control sequence by the user within a predetermined period.

Abstract: A method and apparatus for mitigating effects of multipath fading, interference, and noise in a single sideband (SSB) signal transmitted by a radio communication system and demodulated by a portable subscriber unit (122) utilizing a demodulator (304) compensated by a pilot signal power (406). The apparatus performs the mitigation process by calculating (708) a pilot fading threshold in addition to a muting threshold. When samples of the mean pilot signal power fall below the fading threshold, the compensation of the demodulated signal is adjusted (714). In addition, when the mean analog message signal power falls below the muting threshold, the samples included in the predetermined portion of the message are muted (718).