Method for changing session media, method for establishing a call, and equipment thereof
US8588211B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2009 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | Aug 20, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/1016
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for changing ICS session media includes: receiving a media type change request including a new media type sent from a terminal equipment or a MSC, releasing a CS call leg based on an original media type between an ICCF and the terminal equipment, establishing a CS call leg based on the new media type between the ICCF and the terminal equipment, and updating a media type of a second call leg between the ICCF and a second party into the new media type; or, receiving a media type change request including a new media type sent from a second party, updating a media type of a second call leg between an ICCF and the second party into the new media type, releasing a CS call leg based on an original media type between the ICCF and a terminal equipment, and establishing a CS call leg based on the new media type between the ICCF and the terminal equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.