Hi,

I would like to know if anyone has tried to add support for GSM HR and GSM EFR 
on SEMS. The source code in ANSI C is available from 3GPP site 
http://www.3gpp.org/ftp/specs/html-info/TSG-WG--S4.htm

However, for GSM EFR codec, when music is transmitted, the quality is extremely 
bad. I would like to know if anyone has tried the same and how did it go?

Received 320 bytes of input data is converted into 31 bytes of RTP payload (and 
this includes first 4 bits of GSM EFR signature 0xC).

Help is greatly appreciated.

Thanks,

Keyur Parikh

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