Audio Codecs

• DoD CELP - 4.8 Kbps

• GIPS Family - 13.3 Kbps and up

• iLBC - 15 Kbps, 20ms frames / 13.3 Kbps, 30ms frames

• ITU G.711 - 64Kbps (a.k.a. alaw / ulaw)

• ITU G.722 - 48 / 56 / 64 Kbps

• ITU G.723.1 - 5.3 / 6.3 Kbps, 30ms frames

• ITU G.726 - 16 / 24 / 32 / 40 Kbps

• ITU G.728 - 16 Kbps

• ITU G.729 - 8 Kbps, 10ms frames

• LPC10 - 2.5 Kbps

• Speex - 2.15 to 44.2 Kbps, Free Open-Source codec

• http://www.voip-info.org/wiki-Codecs