Voice codecs

Toolpack and TelcoBridges hardware support the following voice codecs. (We have provided links to their equivalent pages on Wikipedia.) It is important to note that call channel capacity available per VoIP processor module depends on the codec being used.

• Universal codecs
  • G.711
  • G.723.1
  • G.726
  • G.729ab

• Wireline codecs
  • G.728
  • G.729eg
  • iLBC
  • T.38

• Wireless codecs
  • AMR
  • GSM-FR / GSM-EFR
  • EVRC / QCELP