| 发明名称 |
INTERNET PROTOCOL VIDEO TELEPHONY WITH CARRIER GRADE VOICE |
| 摘要 |
A first user device establishes a video telephony session with a second user device over a best effort network. The voice quality for the video telephony session is upgraded by establishing a voice call with the second user device over a telephony network providing a quality of service guarantee for the voice call, and coupling the voice call over the telephony network with the video telephony session. |
| 申请公布号 |
US2015189229(A1) |
申请公布日期 |
2015.07.02 |
| 申请号 |
US201314143480 |
申请日期 |
2013.12.30 |
| 申请人 |
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) |
发明人 |
Cserna Bence;Mihály Attila;Paller Gábor |
| 分类号 |
H04N7/14;H04W48/18;H04W28/02 |
主分类号 |
H04N7/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method implemented by a first user device for upgrading voice quality for a video telephony session, said method comprising:
establishing a video telephony session with a second user device over a best effort network; and upgrading voice quality for the video telephony session by:
establishing a voice call with the second user device over a telephony network providing a quality of service guarantee for the voice call; andcoupling the voice call over the telephony network with the video telephony session over the best effort network. |
| 地址 |
Stockholm SE |
