Method and network element for voice-over-IP (VoIP) communications in a mobile IP network
US8204044B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 21, 2009 |
| Grant date | Jun 19, 2012 |
| Priority date | — |
| Expiry date | Sep 3, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/70
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method is performed by one or more network elements for voice-over-IP (VoIP) communications. The method includes receiving a request from a first mobile device to invite a second mobile device to participate in a VoIP session. The second device may be identified in the request by a network identifier. The network identifier is related to a mobile IP (MIP) address of the second device and a second IP address. An invitation is sent to the MIP address of the second device which may include a MIP address of the first device and a first IP address. A response to the invitation may be received from the second device. The response may be modified to include a first IP header that includes the MIP address of the second device and a second IP header to include the second IP address. The modified response is forwarded to the first device. After receipt of the modified response, the first device is configured to establish an IP connection for VoIP communication with the second device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.