Display resolution
480 x 272 pixels
Connections and interfaces
Power over Ethernet (PoE)
Yes
Power supply input voltage
100 - 240 V
AC adapter Output current
2 A
Power supply unit Output voltage
5 V
Microphone frequency
100 - 80000 Hz
Adaptive Jitter Buffers
Yes
Language codec
GSM 6.10, G.711a, G.729ab, G.726, G.723.1, G.722, G.711ulaw
Speech Activity Detection
Yes
Comfort Noise Generation (CNG)
Yes
Packet Loss Concealment (PLC)
Yes
Interface type Ethernet-LAN
Gigabit Ethernet
WLAN standards
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
VoIP protocols
rport (RFC 3581), RTCP, ICE, ENUM, RTCP-XR, SIP, SIP REFER method (RFC 3515), STUN, RTP, SDP
Operating temperature
0 - 35 °C
Relative humidity in operation
5 - 95 %
Temperature range during storage
-10 - 45 °C
Number of handles included
1 piece(s)
Keyboard number of keys
43
Number of programmable keys
10