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Which codecs does Flowroute support?

Please refer to Technical Specifications for a complete service guide.

Codecs Supported (SDP media attribute):

  1. G.711 Ulaw (0)
  2. G.711 Alaw (8)
  3. DTMF tones (101)
  4. G.729a (18)


Flowroute takes a unique approach to deliver call audio: Direct Media. RTP media on your calls is delivered directly from your equipment to a peering network’s media gateway on the PSTN.

Read more about Direct media in this KB article.