Generic:
• 2 SIP Lines
• PoE enabled(Power over Ethernet)
• Full-duplex speakerphone
• Intelligent DSS Keys (Speed dial)
• Wall-mount installation
• Special integrated noise reducation module
• Omnidirectional voice pickup
• 2 embedded short-circuit input and output interfaces
• Support 4 controlled events: remote DTMF; remote server’s commands; interaction with short circuit input; talking status
• Output interface for active speaker
• Audio record output interface
• External Power Supply
• Multicast
• All in ONE: door access, intercom and paging service
• Industrial standard certifications: IP65, IK10, CE/FCC

Call Features:
• Intercom
• Speed dial(speed dial key)
• Auto-answering (per line)
• Voice message (on server)
• Local 3-way Conference

Phone Features:
• Call log (900 entries, in/out/missed)
• Programmable DSS keys
• Network time synchronization
• Action URL / Active URI Audio
• Narrowband CODEC: G.711a/u, G.723.1, G.726-32K, G.729AB
• Wideband CODEC: G.722
• Full-duplex Acoustic Echo Canceller (AEC) – Hands- free mode, 96ms tail-length
• Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR)
• Packet Loss Concealment (PLC)
• Dynamic adaptive jitter buffer up to 300ms
• DTMF: In-band, Out-of-Band – DTMF-Relay (RFC2833) / SIP INFO
• Omnidirectional voice pickup: pickup distance to 5 m

Networking:
• Physical: RJ45 Ethernet Jacket x2: Network x1 (802.3AF POE Enabled), LAN x1 (Bridged to Network)
• IP configuration: Static / DHCP / PPPoE
• Network access control: 802.1x
• VPN: L2TP (Basic Unencrypted) / OpenVPN
• VLAN
• QoS

Protocols:
• SIP2.0 over UDP/TCP/TLS
• RTP/RTCP/SRTP
• STUN
• DHCP
• 802.1x
• L2TP (Basic Unencrypted)
• OpenVPN
• SNTP
• FTP/TFTP
• HTTP/HTTPS
• Tr069

Deployment & Maintenance:
• Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP/TR069/SIP PNP
• Web management portal
• Web-based packet dump
• Configuration backup/restore
• Firmware upgrade
• Syslog

Physical Specifications:
• 1 or 2 Hands-free keys or DSS Keys (Speed dial)
• Rj45 Ethernet Jacket x2: Network x1 (802.3AF POE enabled), LAN x1 (Bridged to network)
• Main chipset: Broadcom
• Passive switch(short-circuit output): normally open and normally closed highest at 30V/1A AC/DC
• Audio Amplifier: 2.5W
• Output interface for active speaker
• Audio record output interface
• 2 embedded short-circuit input interfaces/2 embedded short-circuit output interfaces
• Speaker: 2W/4Ω
• Cables: CAT5 or better
• Power supply:10~14V/1.5A DC or PoE
• Shell material: Aluminum cover and back case
• Protection level: IP65 and Ik10
• Working temperature:-40~70?
• Storage temperature:-40~70?
• Working humidity: 10~90%
• Overall dimension: 195x120x39mm (W x H x L)
• Package dimensions: 260x165x62mm (W x H x L)
• Package weight: 0.85KG