AUTOMATIC PAIRING OF A TELEPHONE PERIPHERAL UNIT AND AN INTERFACE UNIT

• US 20150080052A1
• Filed: 07/22/2014
• Published: 03/19/2015
• Est. Priority Date: 05/26/2009
• Status: Active Grant

• Current Assignee: GN Netcom A/S (GN Store Nord A/S)
• Original Assignee: GN Netcom A/S (GN Store Nord A/S)
• Inventors: JENSEN, Kim Breinholt
• Granted Patent: US 9,049,303 B2
• Time in Patent Office: Days
• US Class Current: 455/557
• CPC Class Codes: H04L 63/061 for key exchange, e.g. in peer-to-peer networks cryptographic mechanisms or cryptographic arrangements for key agreement H04L9/0838
• CPC Class Codes: H04L 63/101 Access control lists [ACL]
• CPC Class Codes: H04L 63/18 using different networks or channels, e.g. using out of band channels cryptographic mechanisms or cryptographic arrangements for key distribution involving distinctive intermediate devices or communication paths H04L9/0827; cryptographic mechanisms or cryptographic arrangements for authentication using a plurality of channels H04L9/3215
• CPC Class Codes: H04M 1/04 Supports for telephone transmitters or receivers
• CPC Class Codes: H04M 1/21 Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
• CPC Class Codes: H04M 1/6033 for providing handsfree use or a loudspeaker mode in telephone sets arrangements for preventing acoustic echo H04M9/08
• CPC Class Codes: H04M 1/6058 involving the use of a headset accessory device connected to the portable telephone
• CPC Class Codes: H04M 1/6066 including a wireless connection
• CPC Class Codes: H04M 1/6075 adapted for handsfree use in a vehicle H04M1/6058 takes precedence; arrangements for holding telephones in a vehicle B60R11/0241
• CPC Class Codes: H04M 1/72412 using two-way short-range wireless interfaces
• CPC Class Codes: H04M 1/725 Cordless telephones user interfaces specially adapted therefor H04M1/724
• CPC Class Codes: H04M 1/72505 Radio link set-up procedures
• CPC Class Codes: H04M 2250/02 including a Bluetooth interface
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 12/50 Secure pairing of devices
• CPC Class Codes: H04W 8/005 Discovery of network devices, e.g. terminals

Abstract

System for audio communication comprising: a peripheral unit and an interface unit, wherein the peripheral unit comprises a microphone and a speaker, and the peripheral unit is connectable to a telephone via the interface unit, the interface unit having a unique interface unit device address, and the peripheral unit having a unique peripheral unit device address, wherein the peripheral unit and the interface unit are mutually connectable via a wireless communication link for audio communication and via a detachable wired communication link for auxiliary data, and wherein the system further comprises automatic pairing routine for pairing the peripheral unit and the interface unit to establish the wireless communication link.

Claims

1-16. -16. (canceled)

17. System for audio communication comprising:

a peripheral unit and an interface unit, wherein the peripheral unit comprises a microphone and a speaker, and the peripheral unit is connectable to a telephone via the interface unit, the interface unit having a unique interface unit device address, and the peripheral unit having a unique peripheral unit device address, wherein the peripheral unit and the interface unit are mutually connectable via a wireless communication link for audio communication, and wherein the system further comprises pairing routine for pairing the peripheral unit and the interface unit to establish the wireless communication link, and wherein the peripheral unit and the interface unit are mutually connectable via a detachable wired communication link for auxiliary data, and that the pairing routine are automatic, the automatic pairing routine comprising;

a link detection routine for detecting an established wired communication link between the peripheral unit and the interface unit,

address exchange routine adapted to exchange the peripheral unit device address and/or the interface unit device address via the wired communication link between the peripheral unit and the interface unit when said link has been established, and

a static personal identification number PIN for use during pairing, the PIN being shared between the interface unit and the peripheral unit,

the system further comprising a secondary peripheral unit in addition to the first peripheral unit, the first peripheral unit being the primary peripheral unit, wherein the secondary peripheral unit comprises a microphone and a speaker, and the secondary peripheral unit is connectable to the telephone via the interface unit, the secondary peripheral unit having a unique device address, wherein the secondary peripheral unit and the interface unit are connectable both via a wireless communication link for audio communication and via a wired communication link for auxiliary data, the wired communication link being detachable, and wherein the interface unit is adapted to be simultaneously connectable to both the primary peripheral unit and the secondary peripheral unit by the primary wireless communication link and the secondary wireless communication link, and wherein the automatic pairing routine is further adapted for pairing the secondary peripheral unit and the interface unit to establish the secondary wireless communication link by a secondary pairing, the link detection being adapted to detect the state of the primary and secondary wired communication link,

the address exchange routine being adapted to exchange the unique device addresses via the secondary wired link, and

the static personal identification number PIN being shared between the interface unit and the primary and secondary peripheral units for use also during the secondary pairing.

18. System according to claim 17, wherein the interface unit comprises a docking area, wherein the docking area is adapted to accept at least part of the peripheral unit for storage and/or recharging, and wherein the wired communication link is established between the peripheral unit and the interface unit, when the peripheral unit is engaged in the docking area of said interface unit.

19. System according to claim 17, wherein the peripheral unit is a headset.

20. System according to claim 17, wherein the wireless communication link is provided via DECT.

21. System according to claim 20, wherein the secondary wireless communication link expires either upon completion of a currently active phone call or in case of no active call upon completion of the next phone call.

22. Interface unit for connecting a telephone peripheral unit for audio communication to a telephone, wherein both the interface unit and the peripheral unit have unique device addresses, the interface unit having a telephone side and a peripheral unit side, and wherein the interface unit on the telephone side comprises telephone connection routine for relaying audio communication between the peripheral unit and the telephone, and wherein the interface unit on the peripheral unit side comprises:

wired connection for connecting the interface unit to a peripheral unit,

wireless connection for connecting the interface unit to a peripheral unit, the wireless connection being adapted for providing a wireless communication link for audio communication, the wireless connection comprising;

a pairing list for containing device addresses of peripheral units with which the interface unit is allowed to establish a wireless connection, and

a connection list for containing addresses of currently connected peripheral units, wherein only peripheral units present in the pairing list may be present in the connection list, and wherein the wired connection are adapted for providing a wired communication link for auxiliary data, and that the interface unit further comprises;

an automatic pairing routine for pairing the interface unit with a peripheral unit when the wired connection is established between the two units, the automatic pairing routine comprising;

link detection routine for detecting the establishment of a wired communication link between the interface unit and a peripheral unit,

device address exchanging routine for transmitting the interface unit device address to the connected peripheral unit and/or for receiving the peripheral unit device address from the connected peripheral unit over the wired communication link,

a static personal identification number PIN for use during pairing, the PIN being shared between at least the connected peripheral unit and the interface unit, wherein the wireless connection is adapted for providing at least a first and a second wireless communication link for audio communication, the first link being a primary link and the second link being a secondary link, the interface unit further comprising;

a secondary pairing list for containing device addresses of peripheral units with which the interface unit is allowed to establish a secondary link,

a secondary connection list for containing addresses of currently connected secondary peripheral units, wherein only peripheral units present in the secondary pairing list may be present in the secondary connection list, wherein

the automatic pairing routine is further adapted for pairing the interface unit with a second peripheral unit as a secondary pairing when the wired connection is established between the interface unit and the second peripheral unit.

23. Interface unit according to claim 22, comprising a docking area, which docking area is adapted to accept a telephone peripheral unit for docking, wherein the wired communication link is established between the peripheral unit and the interface unit when the peripheral unit is docked in the docking area.