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US6434378B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Pre-paid cellular telephone system

Assignee: Cellexis International Inc
•
Filing: 1998-06-25
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Granted: 2002-08-13
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Expires: 2018-06-25
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Abstract

Abstract A pre-pay service unit uses pseudo-numbers to identify subscribers and substitutes actual numbers to complete a call after verification of authenticity and verification of a positive balance in a subscriber's account. The service unit and the cellular telephone exchange data in the process of authentication. For outgoing calls, a cellular telephone first transmits an “800” number and an ANI. The “800” number is the telephone number of the pre-pay service unit, which then requests number actually dialed. The cellular telephone responds with dialed digits, a security code, and status data. If the information is correct, the dialed digits are then passed to a local exchange carrier to complete the call. For incoming calls, a pseudo-number directs the call to the pre-pay service unit, which converts the pseudo-number to the actual telephone number of a subscriber's cellular telephone.

Inventors

  • 👤 Douglas V. Fougnies

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:51
CPC Classifications
H; H04; H04W; H04W4/00; H04W4/24; H04M; H04M17/00; H04M2215/00; H04M2215/20; H04M2215/2026; H04M2215/32

Claims Analysis

Total Claims: 85
Claim 1
Independent Claim 66 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, in which the transmission of the predetermined destination number is transparent to the subscriber, and in which the pre-authorized wireless service provider comprises a pre-pay service unit.
Claim 2
Independent Claim 66 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, in which the transmission of the predetermined destination number is transparent to the subscriber, and in which the pre-authorized wireless service provider comprises a pre-pay service unit.
Claim 3
Dependent Claim 18 words
The method of claim 1 in which the predetermined destination number corresponds to a pre-authorized wireless service provider.
Claim 4
Dependent Claim 15 words
The method of claim 2 in which the predetermined destination number comprises a toll-free number.
Claim 5
Dependent Claim 20 words
The method of claim 1 in which the subscriber-specified destination number corresponds to a party with whom communications are desired.
Claim 6
Dependent Claim 28 words
The method of claim 1 in which the routing further comprises: buffering the subscriber-specified destination number; and transmitting the buffered subscriber-specified number to the pre-authorized wireless service provider.
Claim 7
Dependent Claim 34 words
The method of claim 5 in which transmitting the buffered subscriber-specified number comprises: receiving a request from the pre-authorized wireless service provider; and sending the buffered subscriber-specified number in response to the received request.
Claim 8
Dependent Claim 18 words
The method of claim 1 further comprising transmitting a wireless communication device identifier with the predetermined destination number.
Claim 9
Dependent Claim 20 words
The method of claim 7 in which the wireless communication device identifier and the predetermined destination number are transmitted serially.
Claim 10
Dependent Claim 38 words
The method of claim 7 in which the predetermined destination number facilitates connection to the pre-authorized wireless service provider and the wireless communication device identifier enables the pre-authorized wireless service provider to determine the wireless communication device's identity.
Claim 11
Dependent Claim 15 words
The method of claim 1 in which the wireless communication device comprises a cellular telephone.
Claim 12
Independent Claim 86 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, in which the pre-authorized wireless service provider comprises a pre-pay service unit; in which the routing further comprises buffering the subscriber-specified destination number, and transmitting the buffered subscriber-specified number to the pre-authorized wireless service provider; and further comprising transmitting security information to the pre-authorized wireless service provider.
Claim 13
Independent Claim 86 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, in which the pre-authorized wireless service provider comprises a pre-pay service unit; in which the routing further comprises buffering the subscriber-specified destination number, and transmitting the buffered subscriber-specified number to the pre-authorized wireless service provider; and further comprising transmitting security information to the pre-authorized wireless service provider.
Claim 14
Dependent Claim 24 words
The method of claim 11 in which the transmitted security information enables the pre-authorized wireless service provider to verify the wireless communication device's authenticity.
Claim 15
Independent Claim 86 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, in which the pre-authorized wireless service provider comprises a pre-pay service unit; in which the routing further comprises buffering the subscriber-specified destination number, and transmitting the buffered subscriber-specified number to the pre-authorized wireless service provider; and further comprising transmitting roaming information to the pre-authorized wireless service provider.
Claim 16
Independent Claim 86 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, in which the pre-authorized wireless service provider comprises a pre-pay service unit; in which the routing further comprises buffering the subscriber-specified destination number, and transmitting the buffered subscriber-specified number to the pre-authorized wireless service provider; and further comprising transmitting roaming information to the pre-authorized wireless service provider.
Claim 17
Independent Claim 76 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, and further comprising transmitting a wireless communication device identifier with the predetermined destination number, in which the wireless communication device identifier comprises an ANI, and in which the pre-authorized wireless service provider comprises a pre-pay service unit.
Claim 18
Independent Claim 76 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, and further comprising transmitting a wireless communication device identifier with the predetermined destination number, in which the wireless communication device identifier comprises an ANI, and in which the pre-authorized wireless service provider comprises a pre-pay service unit.
Claim 19
Independent Claim 79 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, and further comprising transmitting a wireless communication device identifier with the predetermined destination number, in which the wireless communication device identifier comprises information other than an ANI, and in which the pre-authorized wireless service provider comprises a pre-pay service unit.
Claim 20
Independent Claim 79 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, and further comprising transmitting a wireless communication device identifier with the predetermined destination number, in which the wireless communication device identifier comprises information other than an ANI, and in which the pre-authorized wireless service provider comprises a pre-pay service unit.
Claim 21
Independent Claim 51 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, in which the pre-authorized wireless service provider comprises a pre-pay service unit.
Claim 22
Independent Claim 51 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising routing a call request through a pre-authorized wireless service provider by transmitting a predetermined destination number in place of a subscriber-specified destination number, in which the pre-authorized wireless service provider comprises a pre-pay service unit.
Claim 23
Dependent Claim 79 words
Software, stored in a computer-readable medium, comprising instructions to cause a wireless communications device to perform the following operations: receive a subscriber-specified destination number; buffer the received subscriber-specified destination number; transmit a predetermined destination number in place of the buffered subscriber-specified destination number; and transmit the buffered subscriber-specified destination number to the pre-authorized wireless service provider comprising a pre-pay service unit; in which transmission of the predetermined destination number is transparent to a subscriber operating the wireless communication device.
Claim 24
Dependent Claim 79 words
Software, stored in a computer-readable medium, comprising instructions to cause a wireless communications device to perform the following operations: receive a subscriber-specified destination number; buffer the received subscriber-specified destination number; transmit a predetermined destination number in place of the buffered subscriber-specified destination number; and transmit the buffered subscriber-specified destination number to the pre-authorized wireless service provider comprising a pre-pay service unit; in which transmission of the predetermined destination number is transparent to a subscriber operating the wireless communication device.
Claim 25
Dependent Claim 20 words
The software of claim 17 in which transmission of the predetermined destination number occurs in response to a trigger event.
Claim 26
Dependent Claim 22 words
The software of claim 18 in which the trigger event comprises a depression of a SEND key on a wireless communications device.
Claim 27
Dependent Claim 24 words
The software of claim 17 in which the received subscriber-specified destination number corresponds to subscriber input on a keypad of the wireless communications device.
Claim 28
Dependent Claim 19 words
The software of claim 17 in which the received subscriber-specified destination number corresponds to a party to be contacted.
Claim 29
Dependent Claim 18 words
The software of claim 17 in which the predetermined destination number corresponds to a pre-authorized wireless service provider.
Claim 30
Dependent Claim 46 words
The software of claim 17 further comprising instructions to perform the following operations: receive a request for the subscriber-specified destination number from the pre-authorized wireless service provider; and transmit the buffered subscriber-specified destination number to the pre-authorized wireless service provider in response to the received request.
Claim 31
Dependent Claim 131 words
Software, stored in a computer-readable medium, comprising instructions to cause a wireless communications device to perform the following operations: receive a subscriber-specified destination number; buffer the received subscriber-specified destination number; and transmit a predetermined destination number in place of the buffered subscriber-specified destination number; further comprising instructions to perform the following operations: receive a request for the subscriber-specified destination number from a pre-authorized wireless service provider; and transmit the buffered subscriber-specified destination number to the pre-authorized wireless service provider comprising a pre-pay service unit in response to the received request; and further comprising instructions to transmit security information to the pre-authorized wireless service provider in response to the received request, the security information comprising data that enables the pre-authorized wireless service provider to verify the authenticity of the wireless communication device.
Claim 32
Dependent Claim 131 words
Software, stored in a computer-readable medium, comprising instructions to cause a wireless communications device to perform the following operations: receive a subscriber-specified destination number; buffer the received subscriber-specified destination number; and transmit a predetermined destination number in place of the buffered subscriber-specified destination number; further comprising instructions to perform the following operations: receive a request for the subscriber-specified destination number from a pre-authorized wireless service provider; and transmit the buffered subscriber-specified destination number to the pre-authorized wireless service provider comprising a pre-pay service unit in response to the received request; and further comprising instructions to transmit security information to the pre-authorized wireless service provider in response to the received request, the security information comprising data that enables the pre-authorized wireless service provider to verify the authenticity of the wireless communication device.
Claim 33
Dependent Claim 110 words
Software, stored in a computer-readable medium, comprising instructions to cause a wireless communications device to perform the following operations: receive a subscriber-specified destination number; buffer the received subscriber-specified destination number; and transmit a predetermined destination number in place of the buffered subscriber-specified destination number; further comprising instructions to perform the following operations: receive a request for the subscriber-specified destination number from a pre-authorized wireless service provider comprising a pre-pay service unit; and transmit the buffered subscriber-specified destination number to the pre-authorized wireless service provider in response to the received request; and further comprising instructions to transmit roaming information to the pre-authorized wireless service provider in response to the received request.
Claim 34
Dependent Claim 110 words
Software, stored in a computer-readable medium, comprising instructions to cause a wireless communications device to perform the following operations: receive a subscriber-specified destination number; buffer the received subscriber-specified destination number; and transmit a predetermined destination number in place of the buffered subscriber-specified destination number; further comprising instructions to perform the following operations: receive a request for the subscriber-specified destination number from a pre-authorized wireless service provider comprising a pre-pay service unit; and transmit the buffered subscriber-specified destination number to the pre-authorized wireless service provider in response to the received request; and further comprising instructions to transmit roaming information to the pre-authorized wireless service provider in response to the received request.
Claim 35
Dependent Claim 84 words
Software, stored in a computer-readable medium, comprising instructions to cause a wireless communications device to perform the following operations: receive a subscriber-specified destination number; buffer the received subscriber-specified destination number; and transmit a predetermined destination number in place of the buffered subscriber-specified destination number; further comprising instructions to transfer a wireless communication device identifier with the predetermined destination number, the wireless communication device identifier comprising data that enables a pre-authorized wireless service provider comprising a pre-pay service unit to identify the wireless communication device.
Claim 36
Dependent Claim 84 words
Software, stored in a computer-readable medium, comprising instructions to cause a wireless communications device to perform the following operations: receive a subscriber-specified destination number; buffer the received subscriber-specified destination number; and transmit a predetermined destination number in place of the buffered subscriber-specified destination number; further comprising instructions to transfer a wireless communication device identifier with the predetermined destination number, the wireless communication device identifier comprising data that enables a pre-authorized wireless service provider comprising a pre-pay service unit to identify the wireless communication device.
Claim 37
Dependent Claim 15 words
The software of claim 26 in which the wireless communication device identifier comprises an ANI.
Claim 38
Independent Claim 118 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising: receiving from a subscriber a destination number specifying a party to be called; buffering the destination number received from the subscriber; transmitting a predetermined pre-authorized wireless service provider's number in place of the buffered destination number; receiving a request for the subscriber-specified destination number from the pre-authorized wireless service provider; and transmitting the buffered destination number to the pre-authorized wireless service provider in response to the received request; in which transmission of the predetermined pre-authorized wireless service provider's number is transparent to a subscriber operating the wireless communication device, and in which the pre-authorized wireless service provider comprises a pre-pay service unit.
Claim 39
Independent Claim 118 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising: receiving from a subscriber a destination number specifying a party to be called; buffering the destination number received from the subscriber; transmitting a predetermined pre-authorized wireless service provider's number in place of the buffered destination number; receiving a request for the subscriber-specified destination number from the pre-authorized wireless service provider; and transmitting the buffered destination number to the pre-authorized wireless service provider in response to the received request; in which transmission of the predetermined pre-authorized wireless service provider's number is transparent to a subscriber operating the wireless communication device, and in which the pre-authorized wireless service provider comprises a pre-pay service unit.
Claim 40
Independent Claim 53 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising: transparently receiving from a pre-authorized wireless service provider security information corresponding to an incoming call request; verifying the received security information; and selectively notifying a subscriber of an incoming call only after the security information is verified.
Claim 41
Independent Claim 53 words
A method, performed by a wireless communication device, of facilitating pre-authorized wireless communications, the method comprising: transparently receiving from a pre-authorized wireless service provider security information corresponding to an incoming call request; verifying the received security information; and selectively notifying a subscriber of an incoming call only after the security information is verified.
Claim 42
Dependent Claim 24 words
The method of claim 29 in which the selective notification comprises notifying the subscriber if the received security information is verified to be valid.
Claim 43
Dependent Claim 23 words
The method of claim 29 further comprising, upon verification of the received security information, transmitting verification information to the pre-authorized wireless service provider.
Claim 44
Dependent Claim 21 words
The method of claim 29 in which the transparent reception of the security information comprises going off-hook without alerting the subscriber.
Claim 45
Dependent Claim 56 words
Software, stored in a computer-readable medium, comprising instructions to cause a wireless communications device to perform the following operations: receive transparently from a pre-authorized wireless service provider security information corresponding to an incoming call request; verify the received security information; and selectively notify a subscriber of an incoming call only after the security information is verified.
Claim 46
Dependent Claim 56 words
Software, stored in a computer-readable medium, comprising instructions to cause a wireless communications device to perform the following operations: receive transparently from a pre-authorized wireless service provider security information corresponding to an incoming call request; verify the received security information; and selectively notify a subscriber of an incoming call only after the security information is verified.
Claim 47
Dependent Claim 24 words
The method of claim 33 in which the selective notification comprises notifying the subscriber if the received security information is verified to be valid.
Claim 48
Dependent Claim 27 words
The software of claim 33 further comprising instructions to transmit verification information to the pre-authorized wireless service provider upon verification of the received security information indicating acceptance.
Claim 49
Dependent Claim 24 words
The software of claim 33 in which the transparent reception of the security information comprises executing instructions to go off-hook without alerting the subscriber.
Claim 50
Independent Claim 83 words
A method, performed at a pre-authorized wireless service provider, of facilitating pre-authorized wireless communications, the method comprising: receiving a call from a wireless communication device directed to a predetermined destination number, the call including information that identifies the wireless communication device; accessing a pre-paid account corresponding to the wireless communication device; and transparently obtaining a subscriber-specified destination number from the identified wireless communication device; in which the transmission of the predetermined destination number is transparent to a subscriber operating the wireless communication device.
Claim 51
Independent Claim 83 words
A method, performed at a pre-authorized wireless service provider, of facilitating pre-authorized wireless communications, the method comprising: receiving a call from a wireless communication device directed to a predetermined destination number, the call including information that identifies the wireless communication device; accessing a pre-paid account corresponding to the wireless communication device; and transparently obtaining a subscriber-specified destination number from the identified wireless communication device; in which the transmission of the predetermined destination number is transparent to a subscriber operating the wireless communication device.
Claim 52
Dependent Claim 18 words
The method of claim 37 in which the predetermined destination number corresponds to the pre-authorized wireless service provider.
Claim 53
Dependent Claim 20 words
The method of claim 37 in which the subscriber-specified destination number corresponds to a party with whom communications are desired.
Claim 54
Dependent Claim 24 words
The method of claim 37 further comprising confirming that the identified wireless communication device corresponds to a subscriber of the pre-authorized wireless service provider.
Claim 55
Dependent Claim 28 words
The method of claim 37 in which transparently obtaining the subscriber-specified number comprises communicating with the wireless communication device in a manner that is unnoticeable to a subscriber.
Claim 56
Dependent Claim 38 words
The method of claim 37 further comprising: determining a status of an account corresponding to the identified wireless communication device; and based on a result of the determining, selectively passing the subscriber-specified destination number to a public network.
Claim 57
Dependent Claim 16 words
The method of claim 37 further comprising passing the subscriber-specified destination number to a public network.
Claim 58
Independent Claim 77 words
A method, performed at a pre-authorized wireless service provider, of facilitating pre-authorized wireless communications, the method comprising: receiving a call from a wireless communication device directed to a predetermined destination number, the call including information that identifies the wireless communication device; accessing a pre-paid account corresponding to the wireless communication device; and transparently obtaining a subscriber-specified destination number from the identified wireless communication device; in which the information that identifies the wireless communication device comprises an ANI.
Claim 59
Independent Claim 77 words
A method, performed at a pre-authorized wireless service provider, of facilitating pre-authorized wireless communications, the method comprising: receiving a call from a wireless communication device directed to a predetermined destination number, the call including information that identifies the wireless communication device; accessing a pre-paid account corresponding to the wireless communication device; and transparently obtaining a subscriber-specified destination number from the identified wireless communication device; in which the information that identifies the wireless communication device comprises an ANI.
Claim 60
Independent Claim 76 words
A method, performed at a pre-authorized wireless service provider, of facilitating pre-authorized wireless communications, the method comprising: receiving a call from a wireless communication device directed to a predetermined destination number, the call including information that identifies the wireless communication device; accessing a pre-paid account corresponding to the wireless communication device; and transparently obtaining a subscriber-specified destination number from the identified wireless communication device; and further comprising receiving security information from the identified wireless communication device.
Claim 61
Independent Claim 76 words
A method, performed at a pre-authorized wireless service provider, of facilitating pre-authorized wireless communications, the method comprising: receiving a call from a wireless communication device directed to a predetermined destination number, the call including information that identifies the wireless communication device; accessing a pre-paid account corresponding to the wireless communication device; and transparently obtaining a subscriber-specified destination number from the identified wireless communication device; and further comprising receiving security information from the identified wireless communication device.
Claim 62
Dependent Claim 20 words
The method of claim 45 further comprising verifying authenticity of the wireless communication device based on the security information received.
Claim 63
Dependent Claim 25 words
The method of claim 46 further comprising selectively passing the subscriber-specified destination number to a public network based on a result of the authenticity verification.
Claim 64
Dependent Claim 29 words
The method of claim 47 in which the subscriber-specified destination number is not passed to the public network if the authenticity of the wireless communication device is not verified.
Claim 65
Independent Claim 117 words
A method, performed at a pre-authorized wireless service provider, of facilitating pre-authorized wireless communications, the method comprising: receiving a call from a wireless communication device directed to a predetermined destination number, the call including information that identifies the wireless communication device; accessing a pre-paid account corresponding to the wireless communication device; and transparently obtaining a subscriber-specified destination number from the identified wireless communication device; and further comprising: determining a status of an account corresponding to the identified wireless communication device; and based on a result of the determining, selectively passing the subscriber-specified destination number to a public network in which the subscriber-specified destination number is not passed to the public network if the account contains insufficient funds.
Claim 66
Independent Claim 117 words
A method, performed at a pre-authorized wireless service provider, of facilitating pre-authorized wireless communications, the method comprising: receiving a call from a wireless communication device directed to a predetermined destination number, the call including information that identifies the wireless communication device; accessing a pre-paid account corresponding to the wireless communication device; and transparently obtaining a subscriber-specified destination number from the identified wireless communication device; and further comprising: determining a status of an account corresponding to the identified wireless communication device; and based on a result of the determining, selectively passing the subscriber-specified destination number to a public network in which the subscriber-specified destination number is not passed to the public network if the account contains insufficient funds.
Claim 67
Dependent Claim 16 words
The method of claim 49 further comprising receiving security information from the identified wireless communication device.
Claim 68
Dependent Claim 20 words
The method of claim 50 further comprising verifying authenticity of the wireless communication device based on the security information received.
Claim 69
Dependent Claim 25 words
The method of claim 51 further comprising selectively passing the subscriber-specified destination number to a public network based on a result of the authenticity verification.
Claim 70
Dependent Claim 29 words
The method of claim 52 in which the subscriber-specified destination number is not passed to the public network if the authenticity of the wireless communication device is not verified.
Claim 71
Independent Claim 66 words
A method, performed at a pre-authorized wireless service provider, of facilitating pre-authorized wireless communications, the method comprising: receiving in connection with a call request a pseudo-number from a calling party; based on the received pseudo-number, determining a subscriber destination number of a wireless communication device associated with the pre-authorized wireless service provider; passing the subscriber destination number to a public network to complete the call request.
Claim 72
Independent Claim 66 words
A method, performed at a pre-authorized wireless service provider, of facilitating pre-authorized wireless communications, the method comprising: receiving in connection with a call request a pseudo-number from a calling party; based on the received pseudo-number, determining a subscriber destination number of a wireless communication device associated with the pre-authorized wireless service provider; passing the subscriber destination number to a public network to complete the call request.
Claim 73
Dependent Claim 25 words
The method of claim 54 in which the public network comprises a local exchange carrier (LEC) or a mobile telephone switching office (MTSO) or both.
Claim 74
Dependent Claim 19 words
The method of claim 54 in which the pseudo-number comprises a destination number for the pre-authorized wireless service provider.
Claim 75
Dependent Claim 13 words
The method of claim 54 in which the pseudo-number uniquely identifies the subscriber.
Claim 76
Dependent Claim 17 words
The method of claim 54 in which the subscriber destination number comprises a Mobile Identification Number (MIN).
Claim 77
Dependent Claim 24 words
The method of claim 54 in which determining the subscriber destination number comprises using the received pseudo-number as an index to a look-up table.
Claim 78
Dependent Claim 30 words
The method of claim 54 further comprising, prior to passing the subscriber destination number to the public network, confirming a status of an account associated with the subscriber destination number.
Claim 79
Dependent Claim 19 words
The method of claim 60 in which confirming the account status comprises determining if the account contains sufficient funds.
Claim 80
Dependent Claim 19 words
The method of claim 61 further comprising prohibiting completion of the call request if the account contains insufficient funds.
Claim 81
Dependent Claim 20 words
The method of claim 54 further comprising transmitting a security code to the wireless communication device via the public network.
Claim 82
Dependent Claim 22 words
The method of claim 63 further comprising receiving from the wireless communication device a verification code corresponding to the transmitted security code.
Claim 83
Dependent Claim 23 words
The method of claim 64 comprising confirming the verification code and aborting the call request if the verification code does not confirm successfully.
Claim 84
Dependent Claim 22 words
The method of claim 54 further comprising monitoring a status of an account associated with the wireless subscriber device during the call.
Claim 85
Dependent Claim 16 words
The method of claim 54 in which the pseudo-number is distinct from the subscriber destination number.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2005-08-12 2006-02-11 2006-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2009-08-12 2010-02-11 2010-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2013-08-12 2014-02-11 2014-08-13 $7700.00 Window Closed / Lapsed

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