| Speakerphone | Loudspeaker: Frequency: 100-20,000 Hz / Volume: 96 dB at 0.5-m peak volume 56 mm diameter and 5 w speaker Full-duplex speakerphone with AEC Echo cancellation tail length is up to 320 ms Background noise suppression Codecs: G722, G722.1C, G726, G.729, G.729A, G723, iLBC, PCMU (G.711µ), PCMA (G.711A), AMR DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO VAD, CNG, PLC, AJB, AGC |
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