AUDIO FEATURES
Audio codec Opus, G.722, G.711A, G.711U, G.729, G.726, G.723.1, iLBC
DTMF In-band, out-of-band (RFC 2833) and SIP INFO
VIDEO FEATURES
Video codec H.264 High Profile, H.264, VP8
Video quality 720P (1280×720)-30fps (equal or more than 512 kbps)
Field of view (FOV) 75°±5°
OPTIONAL CAM50 CAMERA
Resolution 5 mega-pixels
Privacy shutter yes
Vertical tilt angle 47±3°, adjustable
DISPLAY AND INDICATOR
Screen type LCD
Resolution 7” 1024 x 600 capacitive adjustable touch screen
Vertical tilt angle 48°, adjustable
LED for call and message waiting indication
PHONE FEATURES
Number of SIP accounts 16
Call features all hold, call forward, call waiting, call transfer, one-touch speed dial, hotline, mute, DND, group listening, emergency call, redial, call return, auto answer, dial plan, action URL/URI, RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035), voice mail, call park, call pickup
Intercom features preview, one-button open, monitoring
Other features music on hold, call recording, directory, local phonebook up to 1000 entries, XML/LDAP remote phonebook, call history
FEATURE KEYS
Number of keys 27 one-touch DSS keys
7 feature keys hold, transfer, message, headset, mute, redial, speakerphone
Other keys volume control, mute, headset, hands-free speakerphone key
INTERFACE
PoE Power over Ethernet (IEEE 802.3af), class 3
Bluetooth 4.2 for optional Bluetooth Handset BTH58, generic Bluetooth headset and paired mobile devices
USB ports 2 (one USB 2.0 port on the top of the phone for the optional CAM50 camera, one USB 2.0 port on the rear of the phone for USB flash drive or USB headset)
RJ9 (4P4C) 2 (one RJ9 handset port, one RJ9 headset port)
Extender support supports up to 3 colour-screen supports up to 3 colour-screen extender EXP50 modules (ordering no. 91378363)
MANAGEMENT
Configuration web browser/local phone UI/auto provision
Auto provision via FTP/TFTP/HTTP/HTTPS
NETWORK AND SECURITY
Ethernet dual-port Gigabit
Wi-Fi IEEE802.11a/b/g/n, 2.4GHz/5.0GHz
Internet protocol IPv4/IPv6
Signalling protocol SIP v1 (RFC2543), v2 (RFC3261)
Call possibilities proxy mode and peer-to-peer SIP link mode
QoS 802.1p/Q tagging (VLAN), SRTP
Encryption TLS1.3
VPN OpenVPN, IEEE802.1X, L2TP VPN
OTHER TECHNICAL PARAMETERS
External AC adapter optional (DC 5V/2A output)
Power consumption 2.5W~7.6W
Dimensions 259.4mm x 220mm x 215mm (WxDxH)
Package content 2N® IP Phone D7A, wired handset with cord, ethernet cable, desk stand, quick start guide
Wall mountable optional (with wall mount bracket, ordering no. 91378364)
