For SIPRec version 1.0.16.4
These are actually the supported codecs for the VoIPSweeper software, but the SIPRec enforces it and won’t negotiate a codec that is not on the list.
The supported codecs are:
- G.711 A-Law
- G.711 u-Law
- G.726
- GSM
- G.723.1
- G.722
- G.729
- Opus