United States Patent [19J
`Valentine et al.
`
`111111
`
`1111111111111111111111111111111111111111111111111111111111111
`US006018654A
`[11] Patent Number:
`[45] Date of Patent:
`
`6,018,654
`Jan.25,2000
`
`[54] METHOD AND APPARATUS FOR
`DOWNLOADING TONES TO MOBILE
`TERMINALS
`
`[75]
`
`Inventors: Eric Lee Valentine; Jim Mills, both of
`Plano, Tex.
`
`5,481,599
`
`1/1996 MacAllister et a! ............... 379/101.01
`
`FOREIGN PATENT DOCUMENTS
`
`9/1993 European Pat. Off ..
`0 562 890
`WO 93/26132 12/1993 WIPO .
`
`[73] Assignee: Ericsson Inc, Research Triangle Park,
`N.C.
`
`Primary Examiner-Andrew M. Dolinar
`Attorney, Agent, or Firm-Jenkens & Gilchrist
`
`[21] Appl. No.: 08/739,623
`
`[22]
`
`Filed:
`
`Oct. 29, 1996
`
`[51]
`[52]
`[58]
`
`[56]
`
`Int. Cl? ................................ H04Q 7/22; H04Q 7/32
`U.S. Cl. ........................... 455/414; 455/419; 455/567
`Field of Search ..................................... 455/414, 415,
`455/419, 466, 551, 567; 379/101.01, 374,
`375
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`[57]
`
`ABSTRACT
`
`A method and apparatus for downloading tone data from a
`public land mobile network to a mobile telephone unit is
`disclosed. A mobile telephone unit includes means enabling
`the user to request downloading of tone data to the mobile
`telephone unit from a public land mobile network via a
`connection-less communications link such as the USSD or
`SMS. The downloaded tone data is uniquely associated with
`a selected telephone number within the mobile telephone
`unit such that a call to the mobile unit involving the
`telephone number initiates audio play back of the tone data.
`
`5,371,781 12/1994 Ardon ..................................... 455/445
`
`54 Claims, 4 Drawing Sheets
`
`TONE
`DATABASE
`
`160
`
`155
`
`20 -
`
`MOBILE UNIT
`
`165
`
`Verizon Wireless
`Exhibit 1015-0001
`
`

`

`U.S. Patent
`
`Jan.25,2000
`
`Sheet 1 of 4
`
`6,018,654
`
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`
`Verizon Wireless
`Exhibit 1015-0002
`
`

`

`U.S. Patent
`
`Jan.25,2000
`
`Sheet 2 of 4
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`6,018,654
`
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`Verizon Wireless
`Exhibit 1015-0003
`
`

`

`U.S. Patent
`
`Jan.25,2000
`
`Sheet 3 of 4
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`6,018,654
`
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`Verizon Wireless
`Exhibit 1015-0004
`
`

`

`U.S. Patent
`
`Jan.25,2000
`
`Sheet 4 of 4
`
`6,018,654
`
`FIG.4
`
`260
`
`MENU
`LIST
`
`270
`
`PLAY TONE
`SAMPLE
`
`DOWNLOAD
`TONES
`
`300
`
`RETURN
`
`280
`
`Verizon Wireless
`Exhibit 1015-0005
`
`

`

`6,018,654
`
`1
`METHOD AND APPARATUS FOR
`DOWNLOADING TONES TO MOBILE
`TERMINALS
`
`BACKGROUND OF THE INVENTION
`1. Technical Field of the Invention
`The present invention relates to personal communication
`systems, and more particularly, to the downloading of tone
`data to a mobile terminal to enable the playing of the tones
`in association with a particular telephone number.
`2. Description of Related Art
`The ever expanding list of services available via personal
`communication services (PCS) systems have provided PCS
`users with the ability to select a number of services from
`their mobile telephone unit in addition to the standard 15
`telephone communication services. A number of these ser(cid:173)
`vices require the user to view some type of graphical or
`alphanumeric display upon the mobile telephone unit. Hav(cid:173)
`ing to view the display can in some cases be inconvenient,
`for example, if the user happens to be driving, if the 20
`telephone is located in the user's pocket or briefcase, or if
`the user is involved in activity precluding the use of their
`hands. Thus, it would be beneficial to enable the user to
`know who is calling without having to check the calling
`number display.
`In other cases using existing PCS technologies, the user
`may have more than one telephone number associated with
`a particular mobile telephone unit, for example, a personal
`telephone number and a business telephone number. The
`user can benefit by knowing whether the personal or busi- 30
`ness number has been called by the use of an indicator that
`does not require the user to look at the phone. This will
`enable the user to answer the mobile telephone unit differ(cid:173)
`ently based upon whether the business number or personal
`number was called. Thus, a mobile telephone unit providing 35
`the user with the option to select and download new tones to
`be used for different call scenarios would provide an ease of
`use and flexibility that would greatly benefit the user.
`
`2
`to the following Detailed Description when taken in con(cid:173)
`junction with the accompanying Drawings wherein:
`FIG. 1 is a block diagram illustrating the communication
`of a short message service (SMS) messages between a SMS
`5 operator and a mobile station;
`FIG. 2 is a block diagram illustrating the communication
`of an unstructured supplemental services data (USSD) mes(cid:173)
`sages between a USSD external node user and a mobile
`station;
`FIG. 3 is a block diagram illustrating the components
`necessary for downloading of tones between a PLMN and
`mobile unit; and
`FIG. 4 is a block diagram illustrating the manner through
`which a user interactively downloads tones to a subscriber
`identity module (SIM) card.
`
`10
`
`DETAILED DESCRIPTION OF THE DRAWINGS
`Telecommunication services are normally performed in a
`structured way. For example, specific predefined data,
`formats, and signal names are used to set up a speech
`connection, to perform handovers, and to authenticate
`mobile subscriber information when providing telecommu(cid:173)
`nication service to a mobile subscriber. With the introduc(cid:173)
`tion of the global system for mobile communications ( GSM)
`25 and the personal communications systems (PCS), a number
`of new and advanced supplementary services are being
`provided to mobile subscribers. Since these supplementary
`services utilize user specified data, there are no structured
`ways to communicate this data between the public land
`mobile network (PLMN) and a mobile station. As a result,
`a number of unstructured business protocols have been
`developed for the GSM or PCS environments. As the
`transmission of tone data between a PLMN and a mobile
`unit falls under the category of transmitting unstructured
`user data, the transfer would be controlled by one of these
`protocols.
`Once such protocol is unstructured supplementary service
`data (USSD) which has been introduced to enable user
`interaction between PLMN applications and a mobile station
`40 in a transparent way through a mobile telecommunication
`network. The communication is transparent because no
`review or manipulation of the contents of the message is
`performed during the transportation period.
`One type of user specified information that may be
`45 transmitted between a PLMN and a mobile telephone unit is
`tone data, which then may be associated with called or
`calling numbers in a manner designated by the user. Refer(cid:173)
`ence is now made to FIG. 1, where a block diagram
`generally illustrates the communication of a short message
`50 service (SMS) message between an SMS operator 10 and
`mobile station 20. The SMS operator 10 sends data to the
`short message service center (SMS-C) 30 to be transmitted
`to the mobile station 20. The SMC-C 30 encapsulates the
`entered data into a packet message, such as signaling system
`55 number 7 (SS 7) signals or X.25 protocol packets, and routes
`the message to a short message service-gateway mobile
`switch center (SMS-GMSC) 40 within a PLMN 50 serving
`the mobile station 20. The SMS-GMSC 40 interrogates a
`home location register (HLR) 60 associated with the mobile
`60 unit 20 for routing information (i.e., an identification where
`the mobile station 20 is currently located) and subsequently
`routes the message to a mobile switching center (MSC) 70
`serving the mobile station's current location. The mobile
`station 20 is paged and a connection is set up between the
`65 mobile station and the PLMN 50.
`If the mobile station 20 is already busy, the connection
`setup is not performed because the network already knows
`
`SUMMARY OF THE INVENTION
`The present invention overcomes the foregoing and other
`problems with a method and apparatus for downloading tone
`data between a public land mobile network (PLMN) and a
`mobile unit. A mobile unit includes a client application for
`requesting the downloading of tone data from a PLMN
`through a connection-less communications link. Requests
`from the client application are received by a server appli(cid:173)
`cation located within the public land mobile network. The
`server application is normally associated with the mobile
`switching center (MSC). The server application provides
`access to a tone data base wherein a user may select a tone
`for downloading through the mobile unit's user interface.
`Once a tone is selected, the tone data associated with the
`tone is downloaded to the mobile unit via the connection(cid:173)
`less user interface. The interface preferably comprises either
`short message service (SMS) messages or unstructured
`supplemental services data (USSD) messages which are
`useful for downloading unstructured user designated data.
`The downloaded tone data is then uniquely associated with
`a selected called or calling party telephone number, or group
`of numbers, such that when a call to the mobile unit involves
`the selected telephone number, an audio play back of the
`tone data is initiated.
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`A more complete understanding of the method and appa(cid:173)
`ratus of the present invention may be obtained by reference
`
`Verizon Wireless
`Exhibit 1015-0006
`
`

`

`6,018,654
`
`3
`the mobile station 20 is accessible. If the connection has
`been successful and thereby the mobile station 20
`authenticated, the MSC 70 encapsulates the tone data into an
`SMS message 80 and delivers the SMS message to the
`mobile station 20 over one of the control data channels. The
`control data channel such as a stand alone dedicated control
`channel (SDCCH) is used instead of a traffic channel (TCH)
`to allow connection-less data communication. After receiv(cid:173)
`ing the SMS message 80 encapsulating the tone data, the
`mobile station acts merely as a buffer and passes the data to
`the attached subscriber identity module (SIM) card 90. The
`SIM card 90 then stores the received data into an internal
`buffer or memory register. Lastly, if the delivery has been
`successful, a successful delivery report is sent back from the
`MS 20 to the serving MSC 70, and subsequently from the 15
`serving MSC 70 to the SMS-C 30. Otherwise, a failure
`report is generated.
`With respect to a mobile originated SMS message (MO(cid:173)
`SMS) a user at a mobile station 20 can initiate an SMS signal
`to request downloading of data, such as tone data. The 20
`mobile station 20 makes a request to the mobile switching
`center (MSC) 70 to transmit tone data to the mobile station
`20. The MSC 70 encapsulates the request into a packet
`message, and routes the message to a short message service
`gateway mobile switch center (SMS-GMSC) 40 within a 25
`PLMN 50 serving the mobile station 20. The SMS-GMSC
`40 retrieves the requested data and subsequently routes a
`message to the MSC 70 serving the mobile station's current
`location. The mobile station 20 is then paged and a connec(cid:173)
`tion is set up between the mobile station and the PLMN 50. 30
`The MSC 70 encapsulates the tone data into an SMS
`message 80 and delivers the SMS message to the mobile
`station 20 over one of the control data channels. The data is
`then stored within the SIM card 90 as previously described.
`FIG. 2 is a block diagram illustrating the communication 35
`of a USSD message between a USSD external node user 100
`and a mobile station 20. USSD messages are utilized by the
`mobile telecommunications network to transport user
`defined data to a mobile station 20 or an application module
`within a mobile station. Therefore, instead of storing and 40
`receiving character data into a SIM card, the received data
`is either manipulated by the feature application modules
`within the receiving mobile station to provide special sub(cid:173)
`scriber feature functions, or it is displayed on a display unit
`for user interactions.
`The external node user 100 transmits the USSD message
`encapsulating the tone data to the HLR 60 within the serving
`PLMN 50. The HLR 60 is associated within a number of
`different MSC's within the same PLMN 50. As the mobile
`station 20 travels from one MSC's area to another, the HLR 50
`receives location update signals into record of the mobile
`station's current location. Whenever a USSD signal is
`received by the HLR, the HLR ascertains a current location
`of the mobile station 20. The USSD handler 110 within the
`HLR 60 thereafter transparently forwards the USSD signal
`to the appropriate MSC 70 currently serving the mobile
`station 20. The USSD handler 120 within the serving MSC
`70 receives the transmitted message and transports the
`USSD message 130 to the mobile station 20 over a
`connection-less communications link. The USSD handler
`140 within the mobile station 20 then receives the transmit(cid:173)
`ted USSD message 130, extracts encapsulated tone data, and
`forwards the extracted data to the appropriate application
`module.
`Referring now to FIG. 3 where a block diagram illustrates
`the components necessary for downloading tones requested
`by a subscriber (user). The subscriber requests access to a
`
`4
`tone database 150 containing a variety of predetermined data
`packages representing a particular tone or group of tones to
`be played by the audio output 155 of the mobile unit 20 in
`response to a particular calling or called number. The client
`5 application 160 within the mobile unit 20 initiates a request
`for access to the tone database in response to inputs by the
`user through the user interface 165. The client application
`160 actuates a serving application 170 located with the
`PLMN. The serving application 170 may be located with the
`10 MSCNLR, the HLR, or some other external node. The
`serving application 170 connects the user with the database
`150 using either the SMS or USSD protocols discussed
`earlier. The user then selects desired tones in a manner which
`will be more fully described with respect to FIG. 4.
`The tone data associated with the tone selected from the
`tone database 150 is downloaded to the client application
`160 as a digitally coded tone pattern using either the USSD
`or SMS protocols described previously with respect to
`FIGS. 1 and 2. The above-described manner of downloading
`a tone from the tone database 150 is utilized with respect to
`menu driven options solely using SMS or USSD messages.
`optionally, an audio menu may be provided to the user such
`that an actual connection is generated between the mobile
`station 20 and the tone database 150. In this case, an audio
`version of the tones would be played for the user and the
`client application 160 would record the tone and convert it
`to a digital format for storage in the SIM card 90.
`In the case of a transmission using a SMS message, the
`serving MSC 70 receives the transmitted tone signal from
`the SMS-GSMC 40 and then transmits an SMS message
`encapsulating the tone data to the mobile unit station 20 over
`a connection-less communication link such as SDCCH. The
`client application 160 within the mobile unit 20 acts as a
`buJier for the SMS message and passes the lone data from
`the message to the SIM card 90. The user may then, through
`client application 160, associate the tone within the SIM
`card 90 with a particular calling or called telephone number.
`If a USSD message is used for downloading, the tone data
`is routed to the mobile station 20 by a USSD handler 120
`within the serving MSC 70 as a USSD message encapsu(cid:173)
`lating the tone data over a connection-less communication
`link such as SDCCH. USSD handler 140 within the mobile
`station receives the transmitted USSD message and forwards
`45 the message to the client application 160 for extraction ofthe
`tone data. The extracted tone data is then stored within the
`SIM card 90. Through the client application 160, the user
`may then uniquely associate the tone with a particular
`calling or called telephone number.
`Once the tone data is downloaded into the SIM card 90 of
`the mobile unit 20 and associated with a particular telephone
`number, the receipt of an incoming call actuates ring logic
`200 within the mobile terminal20. The ring logic 200 checks
`for the presence of tone pattern associated with the number
`55 called or the number of the party calling. If such an
`association is found, the tone data is played by the audio
`output 155 to provide an audio indicator to the user of who
`is calling or which of the user's numbers is being called.
`Referring now to FIG. 4, there is illustrated the procedure
`60 by which a user may download a particular tone pattern from
`the tone database 150. Once the mobile unit 20 has inter(cid:173)
`connected with the tone database 150, the mobile unit user
`is presented at step 260 with a variety of menus enabling the
`selection of tones by the user. The menus may break the
`65 tones down in a variety of manners such as alphabetically,
`by music type, by novelty items, etc. Once a particular tone
`is selected, the user may play a sample tone at step 270 to
`
`Verizon Wireless
`Exhibit 1015-0007
`
`

`

`6,018,654
`
`10
`
`35
`
`5
`preview what the tone sounds like. When a desired tone or
`tone pattern is found, the user may instruct the application
`160 to download the tones at step 280. Otherwise, a user
`may return to previous menus at step 300.
`Although an embodiment of the method and apparatus of
`the present invention has been illustrated in the accompa(cid:173)
`nying Drawings and described in the foregoing Detailed
`Description, it will be understood that the invention is not
`limited to the embodiment disclosed, but is capable of
`numerous rearrangements, modifications and substitutions
`without departing from the spirit of the invention as set forth
`and defined by the following claims.
`What is claimed is:
`1. A mobile station, comprising:
`a receiver for receiving tone data over a wireless 15
`connection-less communications link from a public
`land mobile network;
`a subscriber identity module card for storing the tone data;
`and
`means for requesting downloading of the tone data to the 20
`subscriber identity module card from the public land
`mobile network over the wireless connection-less com(cid:173)
`munications link and for associating a telephone num(cid:173)
`ber with the tone data such that call connections
`involving the telephone number initiate audio playback 25
`of the tone data.
`2. The mobile station according to claim 1, wherein the
`wireless connection-less communications link comprises
`short message service messages.
`3. The mobile station according to claim 1, wherein the
`wireless connection-less communications link comprises
`unstructured supplementary service data messages.
`4. The mobile station according to claim 1, wherein the
`telephone number comprises a telephone number of a calling
`party.
`5. The mobile station according to claim 1, wherein the
`telephone number comprises a telephone number of a called
`party.
`6. The mobile station according to claim 1, further com(cid:173)
`prising control logic for determining if an incoming call 40
`involves the telephone number and initiating audio playback
`of the tone data for incoming calls involving the telephone
`number.
`7. A system for downloading tone data to a mobile station,
`comprising:
`a public land mobile network serving said mobile station,
`said public land mobile network including a first appli(cid:173)
`cation module responsive to a request from the mobile
`station for downloading said tone data to the mobile
`station via a wireless connection-less communications 50
`link; and
`said mobile station comprising:
`a subscriber identity module card for storing said tone
`data;
`a receiver for receiving said tone data from the public 55
`land mobile network over the wireless connection(cid:173)
`less communications link; and
`means for requesting downloading of the tone data to
`the subscriber identity module card from the public
`land mobile network over the wireless connection- 60
`less communications link and for associating a tele(cid:173)
`phone number with the tone data such that call
`connections involving the telephone number initiate
`audio playback of the tone data.
`8. The system according to claim 7, wherein the wireless 65
`connection-less communications link comprises short mes-
`sage service messages.
`
`6
`9. The system according to claim 7, wherein the wireless
`connection-less communications link comprises unstruc(cid:173)
`tured supplementary service data messages.
`10. The system according to claim 7, wherein the tele-
`5 phone number comprises a telephone number of a calling
`party.
`11. The system according to claim 7, wherein the tele(cid:173)
`phone number comprises a telephone number of a called
`party.
`12. The system according to claim 7, further comprising
`control logic for determining if an incoming call involves
`the telephone number and initiating audio playback of the
`tone data for incoming calls involving the telephone number.
`13. A method for downloading tone data, comprising the
`steps of:
`accessing a public land mobile network using a wireless
`communications link from a mobile unit;
`requesting access to tone data located within the public
`land mobile network from a client application within
`the mobile unit;
`downloading the requested tone data to a subscriber
`identity module card of the mobile unit through said
`wireless connection-less communications link; and
`associating the downloaded tone data with a selected
`telephone number.
`14. The method according to claim 13, further comprising
`the step of playing an audio rendition of the tone data in
`response to receipt by the mobile unit of a call involving the
`selected telephone number.
`15. The mobile station according to claim 13, wherein the
`30 wireless communications link comprises short message ser-
`vice messages.
`16. The mobile station claim 13, wherein the wireless
`communications link comprises unstructured supplementary
`service data messages.
`17. The mobile station according to claim 13, wherein the
`telephone number comprises a telephone number of a calling
`party.
`18. The mobile station according to claim 13, wherein the
`telephone number comprises a telephone number of a called
`party.
`19. The mobile station according to claim 13, wherein
`said step of requesting access provides audio playback of the
`tone data.
`20. The mobile station according to claim 13, wherein
`45 said step of requesting access provides a text selection of the
`tone data.
`21. A mobile station, comprising:
`a receiver for receiving tone data over a connection-less
`communications link from a public land mobile net(cid:173)
`work;
`a register for storing the tone data; and
`means for requesting downloading of the tone data to the
`register from the public land mobile network over the
`connection-less communications link and for associat(cid:173)
`ing a telephone number with the tone data such that call
`connections involving the telephone number initiate
`audio playback of the tone data,
`wherein said connection-less communications link com(cid:173)
`prises a link selected from the group consisting of short
`message service messages and unstructured supple(cid:173)
`mentary service data messages.
`22. The mobile station according to claim 21, wherein the
`register comprises a subscriber identity module card attach(cid:173)
`able to the mobile station.
`23. The mobile station according to claim 21, wherein the
`telephone number comprises a telephone number of a calling
`party.
`
`Verizon Wireless
`Exhibit 1015-0008
`
`

`

`6,018,654
`
`7
`24. The mobile station according to claim 21, wherein the
`telephone number comprises a telephone number of a called
`party.
`25. The mobile station according to claim 21, further
`comprising control control logic for determining if an 5
`incoming call involves the telephone number and initiating
`audio playback o the tone data for incoming calls involving
`the telephone number.
`26. A mobile station, comprising:
`a receiver for receiving tone data over a connection-less 10
`communications link from a public land mobile net(cid:173)
`work;
`a register for storing the tone data; and
`means for requesting downloading of the time data to the
`register from the public land mobile network over the 15
`connection-less communications link and for associat(cid:173)
`ing a telephone number with the tone data such that call
`connections involving the telephone number initiate
`audio playback of the tone data, wherein said telephone
`number comprises a telephone number of a called party. 20
`27. The mobile station according to claim 26, wherein the
`register comprises a subscriber identity module card attach(cid:173)
`able to the mobile station.
`28. The mobile station according to claim 26, wherein the
`connection-less communications link comprises short mes- 25
`sage service messages.
`29. The mobile station according to claim 26, wherein the
`connection-less communications link comprises unstruc(cid:173)
`tured supplementary service data messages.
`30. The mobile station according to claim 26, wherein the 30
`telephone number comprises a telephone number of a calling
`party.
`31. The mobile station according to claim 26, further
`comprising control logic for determining if an incoming call
`involves the telephone number and initiating audio playback 35
`of the tone data for incoming calls involving the telephone
`number.
`32. A system for downloading tone data to a mobile
`station, comprising:
`a public land mobile network serving said mobile station, 40
`said public land mobile network including a first appli(cid:173)
`cation module responsive to a request from the mobile
`station for downloading said tone data to the mobile
`station via a connection-less communications link; and
`said mobile station comprising:
`a register for storing said tone data;
`a receiver for receiving said tone data from the public
`land mobile network over the connection-less com-
`munications link; and
`means for requesting downloading of the tone data to 50
`the register from the public land mobile network
`over the connection-less communications link and
`for associating a telephone number with the tone data
`such that call connections involving the telephone
`number initiate audio playback of the tone data,
`wherein said connection-less communications link
`comprises a link selected from the group consisting
`of short message service messages and unstructured
`supplementary service data messages.
`33. The system according to claim 32, wherein the tele(cid:173)
`phone number comprises a telephone number of a calling
`party.
`34. The system according to claim 32, wherein the tele(cid:173)
`phone number comprises a telephone number of a called
`party.
`35. The system according to claim 32, further comprising
`control logic for determining if an incoming call involves
`
`8
`the telephone number and initiating audio playback of the
`tone data for incoming calls involving the telephone number.
`36. A system for downloading tone data to a mobile
`station, comprising:
`a public land mobile network serving said mobile station,
`said public land mobile network including a first appli(cid:173)
`cation module responsive to a request from the mobile
`station for downloading said tone data to the mobile
`station via a connection-less communications link; and
`said mobile station comprising:
`a register for storing said time data;
`a receiver for receiving said tone data from the public
`land mobile network over the connection-less com(cid:173)
`munications link; and
`means for requesting downloading of the tone data to
`the register from the public land mobile network
`over the connection-less communications link and
`for associating a telephone number with the tone data
`such that call connections involving the telephone
`number initiate audio playback of the tone data,
`wherein said telephone number comprises a tele(cid:173)
`phone number of a called party.
`37. The system according to claim 36, wherein the register
`comprises a subscriber identity module card attachable to
`the mobile station.
`38. The system according to claim 36, wherein said
`connection-less communications link comprises short mes(cid:173)
`sage service messages.
`39. The system according to claim 36, wherein said
`connection-less communications link comprises unstruc(cid:173)
`tured supplementary service data messages.
`40. The system according to claim 36, wherein the tele(cid:173)
`phone number comprises a telephone number of a calling
`party.
`41. The system according to claim 36, further comprising
`control logic for determining if an incoming call involves
`the telephone number and initiating audio playback of the
`tone data for incoming calls involving the telephone number.
`42. A method for downloading tone data, comprising the
`steps of:
`accessing a public land mobile network using a commu-
`nications link from a mobile unit, said communications
`link comprising a link selected from the group consist(cid:173)
`ing of short message service messages and unstructured
`supplementing service data messages;
`requesting access to tone data located within the public
`land mobile network from a client application within
`the mobile unit;
`downloading the requested tone data to the mobile unit
`through said communications link; and
`associating the downloaded tone data with a selected
`telephone number.
`43. The method according to claim 42, further comprising
`the step of playing an audio rendition of the tone data in
`response to receipt by the mobile unit of a call involving the
`55 selected telephone number.
`44. The method according to claim 42, wherein the
`telephone number comprises a telephone number of a calling
`party.
`45. The method according to claim 42, wherein the
`60 telephone number comprises a telephone number of a called
`party.
`46. The method according to claim 42, wherein said step
`of requesting access provides audio playback of the tone
`data.
`47. The method according to claim 42, wherein said step
`of requesting access provides a text selection of the tone
`data.
`
`45
`
`65
`
`Verizon Wireless
`Exhibit 1015-0009
`
`

`

`6,018,654
`
`9
`48. A method for downloading tone data, comprising the
`steps of:
`accessing a public land mobile network using a commu(cid:173)
`nications link from a mobile unit;
`requesting access to tone data located within the public
`land mobile network from a client application within
`the mobile unit;
`downloading the requested tone data to the mobile unit
`through said communications link; and
`associating the downloaded tone data with a selected
`telephone number, said selected telephone number
`comprising a telephone number of a called party.
`49. The method according to claim 48, further comprising
`the step of playing an audio rendition of the tone data in
`response to receipt by the mobile unit of a call involving the
`selected telephone number.
`
`10
`50. The method according to claim 48, wherein said
`communications link comprises short message service mes(cid:173)
`sages.
`51. The method according to claim 48, wherein said
`5 communications link comprises unstructured supplementary
`service data messages.
`52. The method according to claim 48, wherein the
`telephone number comprises a telephone number of a calling
`party.
`53. The method according to claim 48, wherein said step
`of requesting access provides audio playback of the tone
`data.
`54. The method according to claim 48, wherein said step
`of requesting access provides a text selectio