IP Library Granted Patent US 7,808,978
Granted Patent B2
US 7,808,978 · App. 12/014,865 · Granted Oct 5, 2010

Voice over internet protocol (VoIP) telephone apparatus and communication system for carrying VoIP traffic

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Quick Facts
Patent No.
US 7,808,978
App. No.
12/014,865
Granted
Oct 5, 2010
Kind
B2
Abstract

A method of establishing Voice over Internet Protocol (VoIP) communications is provided. The method includes establishing a virtual circuit to carry VoIP traffic via a first Point to Point Protocol over Ethernet (PPPoE) session and to carry other data traffic via a second PPPoE session. The first PPPoE session and the second PPPoE session are supported by a digital subscriber line access multiplexer (DSLAM).

Claims (23)

1. A method of establishing Voice over Internet Protocol (VoIP) communications, the method comprising:

establishing a virtual circuit to carry VoIP traffic via a first Point-to-Point Protocol over Ethernet (PPPoE) session and to carry other data traffic via a second PPPoE session, wherein the first PPPoE session and the second PPPoE session are supported by a digital subscriber line access multiplexer (DSLAM).

2. The method of claim 1 , wherein the virtual circuit is established by an Internet Protocol (IP) telephone device.

3. The method of claim 1 , wherein the virtual circuit terminates at a broadband remote access server (BRAS).

4. A method of establishing Voice over Internet Protocol (VoIP) communications, the method comprising:

establishing a virtual circuit at an access router of a service provider network with an Internet Protocol (IP) telephone device, wherein the virtual circuit is dedicated to carrying VoIP traffic between the IP telephone device and the service provider network and wherein the virtual circuit does not include a network element that is coupled directly to a public IP network.

5. The method of claim 4 , wherein the service provider network is coupled to a broadband remote access server (BRAS) that is coupled to the public IP network.

6. The method of claim 5 , further comprising communicating additional VoIP traffic via a connection between the service provider network and the BRAS.

7. The method of claim 6 , wherein the additional VoIP traffic is associated with an additional IP telephone device.

8. A digital subscriber line access multiplexer (DSLAM) adapted to:

route Voice over Internet Protocol (VoIP) traffic to an access router of a VoIP service provider network via a first virtual circuit; and

route data other than the VoIP traffic to a broadband remote access server (BRAS) via a second virtual circuit.

9. The DSLAM of claim 8 , further adapted to route additional VoIP traffic to the BRAS via a third virtual circuit, wherein the third virtual circuit is adapted to provide support for a first Point-to-Point Protocol over Ethernet (PPPoE) session dedicated to carrying the additional VoIP traffic and the third virtual circuit provides support for a second PPPoE session dedicated to carrying data other than the additional VoIP traffic.

10. The DSLAM of claim 9 , wherein the VoIP traffic is associated with an Ethernet switch coupled to the DSLAM and the additional VoIP traffic is associated with an additional Ethernet switch coupled to the DSLAM.

11. The DSLAM of claim 8 , wherein the first virtual circuit and the second virtual circuit are each adapted to support Point-to-Point Protocol over Ethernet sessions.

12. An Internet Protocol (IP) telephone device comprising:

a telephone keypad; and

a Point-to-Point Protocol over Ethernet (PPPoE) client module adapted to initiate a PPPoE session to communicate a VoIP telephone call;

wherein the PPPoE session remains active until an input is received via the telephone keypad to disconnect the PPPoE session.

13. The IP telephone device of claim 12 , further comprising a base portion and a telephone handset portion.

14. The IP telephone device of claim 13 , wherein the base portion includes a handset interface coupled to the telephone handset portion.

15. The IP telephone device of claim 12 , wherein the input is received via a PPPoE function key of the telephone keypad.

16. The IP telephone device of claim 12 , wherein the telephone keypad is located on the base portion.

Assignments (21)
RELEASE OF SECURITY INTEREST Recorded Jun 24, 2025
From: WILMINGTON SAVINGS FUND SOCIETY, FSB
To: MITEL (DELAWARE), INC.; MITEL COMMUNICATIONS, INC.; MITEL NETWORKS, INC.; MITEL NETWORKS CORPORATION
Reel/Frame 071712/0821 →
RELEASE OF SECURITY INTEREST Recorded Jun 24, 2025
From: ANKURA TRUST COMPANY, LLC
To: MITEL (DELAWARE), INC.; MITEL COMMUNICATIONS, INC.; MITEL CLOUD SERVICES, INC.; MITEL NETWORKS, INC.; MITEL NETWORKS CORPORATION
Reel/Frame 071722/0721 →
NOTICE OF SUCCCESSION OF AGENCY - 3L Recorded Jan 14, 2025
From: UBS AG, STAMFORD BRANCH, AS LEGAL SUCCESSOR TO CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: WILMINGTON SAVINGS FUND SOCIETY, FSB
Reel/Frame 070006/0268 →
NOTICE OF SUCCCESSION OF AGENCY - PL Recorded Jan 14, 2025
From: UBS AG, STAMFORD BRANCH, AS LEGAL SUCCESSOR TO CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: WILMINGTON SAVINGS FUND SOCIETY, FSB
Reel/Frame 069895/0755 →
NOTICE OF SUCCCESSION OF AGENCY - 2L Recorded Jan 14, 2025
From: UBS AG, STAMFORD BRANCH, AS LEGAL SUCCESSOR TO CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: WILMINGTON SAVINGS FUND SOCIETY, FSB
Reel/Frame 069896/0001 →
NOTICE OF SUCCESSION OF AGENCY - 4L Recorded Jan 14, 2025
From: UBS AG, STAMFORD BRANCH, AS LEGAL SUCCESSOR TO CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: ANKURA TRUST COMPANY, LLC
Reel/Frame 069896/0827 →
NOTICE OF SUCCESSION OF AGENCY - 5L Recorded Jan 14, 2025
From: UBS AG, STAMFORD BRANCH, AS LEGAL SUCCESSOR TO CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: ANKURA TRUST COMPANY, LLC
Reel/Frame 069897/0046 →
SECURITY INTEREST Recorded Nov 1, 2022
From: MITEL (DELAWARE), INC.; MITEL NETWORKS, INC.; MITEL COMMUNICATIONS, INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 061830/0760 →
SECURITY INTEREST Recorded Nov 1, 2022
From: MITEL (DELAWARE), INC.; MITEL NETWORKS, INC.; MITEL COMMUNICATIONS, INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 061830/0643 →
SECURITY INTEREST Recorded Nov 1, 2022
From: MITEL (DELAWARE), INC.; MITEL NETWORKS, INC.; MITEL COMMUNICATIONS, INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 061830/0715 →
SECURITY INTEREST Recorded Dec 13, 2018
From: MITEL NETWORKS, INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 047909/0814 →
SECURITY INTEREST Recorded Dec 13, 2018
From: MITEL NETWORKS, INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 047988/0478 →
RELEASE OF SECURITY INTEREST Recorded Dec 3, 2018
From: CITIZENS BANK, N.A., AS ADMINISTRATIVE AGENT
To: SHORETEL, INC.
Reel/Frame 047713/0843 →
CHANGE OF NAME Recorded Oct 15, 2018
From: SHORETEL, INC.
To: MITEL NETWORKS, INC.
Reel/Frame 047239/0088 →
MERGER AND CHANGE OF NAME Recorded Oct 15, 2018
From: MITEL NETWORKS, INC.; SHORETEL, INC.
To: SHORETEL, INC.
Reel/Frame 047239/0183 →
SECURITY INTEREST Recorded Sep 25, 2017
From: SHORETEL, INC.
To: CITIZENS BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 043829/0711 →
RELEASE OF SECURITY INTEREST Recorded Sep 25, 2017
From: SILICON VALLEY BANK
To: SHORETEL, INC.
Reel/Frame 043993/0430 →
SECURITY INTEREST Recorded Oct 23, 2014
From: SHORETEL, INC.
To: SILICON VALLEY BANK
Reel/Frame 034038/0741 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 10, 2010
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: SHORETEL, INC.
Reel/Frame 025344/0317 →
CHANGE OF NAME Recorded Sep 22, 2010
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 025026/0031 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 16, 2008
From: YING, GOANGSHIUAN SHAWN; EDMON, EUGENE L.; ASPELL, STEVE M.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 020369/0879 →