FRITZ!Box 3370 – Service - Knowledge Base

FRITZ!Box 3370 – Service

Voice codecs for Internet telephony supported by FRITZ!Box

The FRITZ!Box supports the following voice codecs:

  • G.711a
  • G.711u
  • G.711 HD
  • G.722
  • G.726-24
  • G.726-32
  • G.726-40
  • G.729a
  • iLBC 13.3
  • iLBC 15.2