Voice codecs

Toolpack and TelcoBridges hardware support the following voice codecs. (We have provided links to their equivalent pages on Wikipedia.)

• 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

Codecs and channel capacity

The following table summarizes the number of voice channels available per voice codec type for the TMG3200 and the TMP6400. Each device is capable of hosting up to 4 VoIP processor chips.