Transcodable Codec Details

The following table lists the supported codecs, bit rates, RTP payload type, default ptime, and supported ptimes.

Codec Supported Bit Rate (kbps) RTP Payload Type Default Ptime (ms) Supported Ptime (ms)
G.711 PCMU 64 0 20 10, 20, 30, 40, 50, 60
G.711 PCMA 64 8 20 10, 20, 30, 40, 50, 60
G.722 48, 56, 64 9 20 10, 20, 30, 40
G.723.1 5.3, 6.3 4 30 30, 60, 90
G.726 16, 24, 32, 40 2, 96-127 20 10, 20, 30, 40, 50
iLBC 13.33 96-127 20 20, 30, 40, 60
15.2 96-127 30 20, 30, 40, 60
G.729/A/B 8 18 20 10, 20, 30, 40, 50, 60, 70, 80, 90
AMR 4.75, 5.15, 5.90, 6.70, 7.40, 7.95, 10.2, 12.2 96-127 20 20, 40, 60, 80, 100
AMR-WB (G.722.2) 6.6, 8.85, 12.65, 14.25, 15.85, 18.25, 19.85, 23.05, 23.85 96-127 20 20, 40, 60, 80, 100
GSM FR 13 3 20 20
T.38 4.8, 9.6, 14.4 N/A   10, 20, 30
The following table lists the supported codecs, bit rates, RTP payload number, default ptime, and supported ptimes for codecs available only on the Oracle® Enterprise Session Border Controller 4600 and 6300.
Codec Supported Bit Rate (kbps) RTP Payload Type Default Ptime (ms) Supported Ptime (ms)
EVRC 0.8, 4.0, 8.55 96-127 20 20, 40, 60
EVRC0 0.8, 4.0, 8.55 96-127 20 20
EVRC1 4.0, 8.55 96-127 20 20, 40, 60, 80, 100
EVRCB 0.8, 2.0, 4.0, 8.55 96-127 20 20
EVRCB0 0.8, 2.0, 4.0, 8.55 96-127 20 20
EVRCB1 4.0, 8.55 96-127 20 20, 40, 60, 80, 100
Opus 48 104 20 10, 20, 40, 60, 80, 100
SILK 8, 16 103 20 20, 40, 60, 80, 100