Codecs Supported

This is a quality revision (list all), approved on 4 June 2018. New changes may have been made.

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We do support 3 audio codecs only: G729a, G711u (also know as uLaw or PCMU) and GSM. Their specifications are:

Codec : G.711u Bit Rate: 64 Kbps Nominal Ethernet Bandwidth (Kilobits) : 87.2 Kbps

Codec : G.729a Bit Rate: 8 Kbps Nominal Ethernet Bandwidth (Kilobits) : 31.2 Kbps

Codec : GSM Bit Rate: 13 kbps Nominal Ethernet Bandwidth (Kilobits) : 29.2 kbps

These are specified on the Account Settings page.