Audio Codec
G.711 A-law, G.711 μ-law, G.729, PCM/L16
S/N (Signal-to-Noise) Ratio
≥80dB
Audio Sampling & Bit Rate
8kHz-44.1kHz, 16bit, 8kbps-320kbps
Frequency Response
100Hz~16kHz
Configuration Method
Local Settings/Web Page
Screen
4'' LCD screen with 480*480 resolution
Full-duplex or not
Full-duplex