GSM-EFR
From TBwiki
GSM-EFR, also known as Enhanced Full Rate, is an audio compression standard used in GSM mobile networks.
TelcoBridges and GSM-EFR
TelcoBridges supports GSM-EFR encoding and decoding. Due to patents, a software license is required to use it in a production environment.
The following options are available:
- packet duration options of 20, 40, and 60 ms
- one bit rate for GSM-EFR: 12.2 kbps