Call Features
• 2 SIP Accounts
• Call Waiting
• Call Forward
• Blind/attended transfer
• Call hold, Call mute, DND mode
• Speed Dialing, Hotline
• Redial, Call Return
• Auto-redial, Auto-answer
• Dial Plan
• 5-way conference
• Peer Dialing

Phone Features
• Adjustable Voice Volume
• Selectable Ring Tones
• XML Browser
• Action URL/URI
• Keyboard lock
• Programmable DSS keys
• Phonebook: 1,000 Groups
• Blacklist: 100 Groups
• Call Log: 100 Logs
• Support 5 Remote Phonebook URLs
• LDAP
• Support Multiple Languages
• Support EHS wireless headset(Plantronics, Jabra, Sennheiser)

IP-PBX Features
• SMS, Voicemail, MWI
• Music On-hold, Intercom, Multicast
• Call Pickup, Call Pickup in Group
• Anonymous Call
• Anonymous Call Rejectio

Management
• Auto provisioning: FTP/TFTP/HTTP/HTTPS/PnP
• Configuration via HTTP/HTTPS web
• SNMP, TR069
• Network capture
• NTP/Daylight saving time
• Firmware upgrade via web
• Syslog
• Configuration backup/restore
• Equipment Management System (NMS

Audio
• HD Voice
• Wideband Codec: G.722, OPUS-WB
• Narrowband Codec: PCMA, PCMU, G.729, G723, G726, AMR, OPUS, iLBC
• Echo Cancellation/Dynamic Jitter
• Voice Activity Detection (VAD)
• Comfort Noise Generation (CNG)
• Full-duplex Speaker

Protocols & Standards
• SIP v1 (RFC2543), SIP v2 (RFC3261)
• SIP over TLS, SRTP
• TCP/IP/UDP
• RTP/RTCP, RFC2198, RFC1889
• HTTP/HTTPS/FTP/TFTP
• ARP/RARP/ICMP/NTP/DHCP
• DNS SRV/ A Query/NATPR Query
• STUN, Session Timer (RFC4028)
• DTMF: In-Band, RFC2833, SIP INFO
• LLDP
• OpenVPN, 802.1X

Physical Features
• 132x64 pixel graphic LCD with backlight
• Dual-angle foot stand: 40° and 45°
• Dimensions(approx.): 180x192x36mm(WxLxD) without foot stand
• Weight(approx.): device 370g, foot stand 60g
• Input voltage: 5Vdc
• Power supply: 5Vdc power adapter or PoE
• Power consumption: 1.4W
• Handset: 4P4C, RJ9
• Headset: 4P4C, RJ9
• Environmental conditions: Operation temperature: 0~40°C Humidity: 10% to 95% (non-condensing)
• 2xRJ45 10/100M Ethernet Ports
• Wall Mountable