IP Library Granted Patent US 7,627,120
Granted Patent B2
US 7,627,120 · App. 10/857,436 · Granted Dec 1, 2009

Enhanced security for voice mail passwords

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Quick Facts
Patent No.
US 7,627,120
App. No.
10/857,436
Granted
Dec 1, 2009
Kind
B2
Abstract

A communication device (and its related method of operation), when accessing password protected voicemail services, may invoke an enhanced security feature which effectively masks at least the password digit values from being discernible by feedback to the user. This is especially important where portable wireless communication devices may have pre-stored password data for use with automated voicemail access—even in a “locked” mode. Unauthorized possessors of such a device might utilize conventional audible feedback during password transmission to decipher the password value. However, such lack of security is avoided by masking the password data values from the audible and/or visual user feedback, if any.

Claims (41)

1. A method for enhancing the security of a voicemail system, said method comprising:

receiving incoming data from a central control, at a device used to access said voicemail system, where said central control is remote from said device;

selecting, based on said incoming data, a password feedback masking scheme for masking device-generated audible feedback, said password feedback masking scheme configured to prevent identification of password data entered at the device;

receiving, at said device, voicemail password data input;

sending, from said device, the voicemail password data; and

generating at said device, according to said password feedback masking scheme, audible feedback of said voicemail password data.

2. The method as in claim 1 wherein said voicemail password data includes a plurality of digits and said generating said audible feedback according to said password feedback masking scheme comprises one of:

playing a common, predetermined audible feedback tone for each digit of said plurality of digits;

playing a random audible feedback tone for each digit of said plurality of digits; and

playing an audible feedback tone from a fixed sequence of tones for each digit of said plurality of digits.

3. The method as in claim 1 further comprising:

providing an option permitting automated voicemail access to take place even when the device is otherwise in a locked and secure status preventing a mere possessor of the device from having access to at least some other functionality of said communication device.

4. A communication device providing enhanced security for a password-protected voicemail system accessed remotely by inputting a voicemail password locally at the communication device, said communication device comprising:

communication circuits adapted to permit access to a remote voicemail facility;

means for receiving incoming data from a central control remote from said communication device;

means for selecting, based on said incoming data, a password feedback masking scheme for masking device-generated audible feedback, said password feedback masking scheme configured to prevent identification of password data entered at said communication device;

means for receiving voicemail password data;

means for sending said voicemail password data to a remote voicemail system; and

means, responsive to receiving said voicemail password data, for generating, according to said password feedback masking scheme, audible feedback of said voicemail password data.

5. The device as in claim 4 further comprising:

means for implementing said password feedback masking scheme selected as one of plural possible password feedback masking schemes.

6. The device as in claim 5 wherein said voicemail password data includes a plurality of digits and said generating said audible feedback according to said password feedback masking scheme comprises one of:

playing a common, predetermined audible feedback tone for each digit of said plurality of digits;

playing a random audible feedback tone for each digit of said plurality of digits; and

playing an audible feedback tone from a fixed sequence of tones for each digit of said plurality of digits.

7. The device as in claim 4 further comprising:

means for providing an option permitting automated voicemail access to take place even when the device is otherwise in a locked and secure status preventing a mere possessor of the device from having access to at least some other functionality of said communication device.

8. A computer program storage medium on which is stored a computer program for execution in a communication device to enhance the security of entry of a voicemail password, said stored computer program, when executed, causing said communication device to:

receive incoming data from a central control remote from said communication device;

select, based on said incoming data, a password feedback masking scheme for masking device-generated audible feedback, said password feedback masking scheme configured to prevent identification of password data entered at said communication device;

receive voicemail password data;

send said voicemail password data to a remote voicemail system; and

generate, responsive to receiving said voicemail password data and according to said password feedback masking scheme, audible feedback of said voicemail password data.

9. The computer program storage medium as in claim 8 , wherein said program further causes said communication device to:

implement said password feedback masking scheme as one of plural possible password feedback masking schemes.

10. The computer program storage medium as in claim 9 wherein said voicemail password data includes a plurality of digits and generating said audible feedback according to said password feedback masking scheme comprises one of:

playing a common, predetermined audible feedback tone for each digit of said plurality of digits;

playing a random audible feedback tone for each digit of said plurality of digits; and

playing a tone from a fixed sequence of tones for each digit of said plurality of digits.

11. The computer program storage medium as in claim 8 wherein said program further causes said communication device to:

provide an option permitting automated voicemail access to take place even when the device is otherwise in a locked and secure status preventing a mere possessor of the device from having access to at least some other functionality of said communication device.

Assignments (4)
NUNC PRO TUNC ASSIGNMENT Recorded Jun 19, 2023
From: BLACKBERRY LIMITED
To: MALIKIE INNOVATIONS LIMITED
Reel/Frame 064269/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 16, 2023
From: BLACKBERRY LIMITED
To: MALIKIE INNOVATIONS LIMITED
Reel/Frame 064104/0103 →
CHANGE OF NAME Recorded Feb 18, 2016
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 037856/0713 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 1, 2004
From: ADAMS, NEIL P.; LITTLE, HERBERT A.; KIRKUP, MICHAEL G.; VANDER VEEN, RAYMOND P.
To: RESEARCH IN MOTION LIMITED
Reel/Frame 015943/0557 →