Invention Grant
- Patent Title: Wideband codec negotiation
- Patent Title (中): 宽带编解码器协商
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Application No.: US12281459Application Date: 2006-03-02
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Publication No.: US09584574B2Publication Date: 2017-02-28
- Inventor: Andreas Witzel , Dirk Kampmann
- Applicant: Andreas Witzel , Dirk Kampmann
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget L M Ericsson (publ)
- Current Assignee: Telefonaktiebolaget L M Ericsson (publ)
- Current Assignee Address: SE Stockholm
- International Application: PCT/EP2006/001899 WO 20060302
- International Announcement: WO2007/098783 WO 20070907
- Main IPC: H04L29/06
- IPC: H04L29/06 ; H04W88/18

Abstract:
The invention proposes several methods for codec handling. In specific, methods involving providing a supported codec list of a Call Control Server are described. A node receives information, whether a terminal supports a wideband codec, wherein the information is received in call set up signaling from the terminal of the subscriber. Furthermore, configuration information is retrieved, whether a Radio Access Node supports the wideband codec. Additionally, information is retrieved, whether a media gateway supports the wideband codec, wherein the information is either provided by the operator or retrieved from the media gateway (MGW1, MGW2, MGWx). The information is analyzed and in response to the analysis a supported codec list is provided. Furthermore, alternative embodiments and devices adapted for the methods are disclosed.
Public/Granted literature
- US20090076802A1 WIDEBAND CODEC NEGOTIATION Public/Granted day:2009-03-19
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