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SPECIFICATIONS
Security
Quality of Service
Audio support
DTMF tone generation
Time servers
Directory
Sound
Microphone
Reception area
Speaker
Volume
Equalizer
Environment
Temperature:
Recommended acoustic conditions:
SRTP and TLS (TLS v1.0, TLS v1.1, TLS v1.2)
DiffServ, VLAN
Codecs: G722, G711 A-law, G711 μ-law, G729ab
RFC2833, SIP INFO, In-band
NTP and SNTP
tion.
updating of multiple conference phones.
Call list
Omnidirectional, 360°
Frequency band 200 Hz–7000 Hz
90 dB SPL 0.5 m
Three pitches: soft, neutral, bright
0 °C– 40 °C
Reverberation period: 0.5 S Rt 60
Background noise: 45 dBA
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