Design
Product colour: Black
Product type: IP Phone
Handset type: Wired handset
Power
AC adapter output current: 2 A
Power over Ethernet (PoE): Yes
AC adapter output voltage: 5 V
Operational conditions
Operating relative humidity (H-H): 10 - 95%
Operating temperature (T-T): 0 - 45 °C
Management features
Firmware upgradeable: Yes
Keypad number of keys: 26
Weight & dimensions
Width: 151.7 mm
Package width: 225 mm
Package depth: 210 mm
Package height: 125 mm
Height: 131.7 mm
Depth: 193.2 mm
Network
Networking standards: IEEE 802.1Q, IEEE 802.1x, IEEE 802.11g, IEEE 802.11n, IEEE 802.1p, IEEE 802.11b
Bluetooth: No
Ethernet LAN data rates: 10,100 Mbit/s
Quality of Service (QoS) support: Yes
Ethernet LAN interface type: Fast Ethernet
Syslog: Yes
Wi-Fi: Yes
Ethernet LAN: Yes
Supported network protocols: OpenVPN, L2TP, PPPoE, IPv6, DHCP, STUN, RTP/RTCP/SRTP, SIP v1 (RFC2543), v2 (RFC3261)
Performance
Dual-Tone Multi-Frequency (DTMF) modes: Out-of band, SIP info, In-band
Display
Display resolution: 320 x 480 pixels
Display diagonal: 8.89 cm (3.5")
Touchscreen: No
Audio
Voice codecs: G.729ab, OPUS, G.722, G.711a, iLBC, G.711u
Packet loss concealment (PLC): Yes
Voice activity detection: Yes
Noise reduction: Yes
Comfort noise generation (CNG): Yes
Microphone mute: Yes
Adaptive jitter buffers: Yes
Ports & interfaces
USB 2.0 ports quantity: 1
Ethernet LAN (RJ-45) ports: 2
RJ-9 ports quantity: 1
Video
Video codecs: H.264
Phone features
Full duplex: Yes
Message-waiting indicator (MWI): Yes
Call log entries: 600
Answering machine: Yes
Call transfer: Yes
Distinctive ring: Yes
Call hold: Yes
Speed dialling: Yes
Lines quantity: 2 lines
Redialing: Yes
