General

• 2 SIP Lines 
• HD Voice 
• PoE 
• 1 x LCD: 7-inch 1024*600 Color Touch Screen 
• External Power Supply(Optional) 
• RAM/ROM：2G/16G

Operating System

• Android 9.0 OS with higher security and better compatibility 
• Support 3rd Party Applications 
• Secondary Development of API

Device Features

• Local Phonebook (1000 entries) 
• Remote Phonebook 
• Call logs (In/out/missed, 1000 entries)
•  Blocked List/Allowed List 
• Screen saver 
• Voice Message Waiting Indication (VMWI) 
• Programmable DSS/Soft keys 
• Network Time Synchronization 
• Built-in Bluetooth 5.0 
• Built-in Wi-Fi 
• 2.4GHz, 802.11 b/g/n 
• 5GHz, 802.11 a/n/ac
• Miracast
• Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) /Background Noise Estimation (BNE) 
• Packet Loss Concealment (PLC) 
• Dynamic Adaptive litter Buffer up to 300ms 
• DTMF: In-band, Out of Band DTMF (RFC2833) / SIP INFO

Video

• Hardware video decoding: H.264 
• Video call resolution: QVGA / CIF / VGA / 4CIF / 720P / 1080P

Network

• 10/100 Mbps Ethernet 
• IP Mode: IPv4 
• IP Configuration: Static / DHCP 
• VPN: OpenVPN (Requires third-party app support) 
• Wi-Fi

Protocols

• SIP v1 (RFC2543), v2 (RFC3261) over UDP/TCP/TLS 
• DNS A/SRV/NAPTR 
• RTP/RTCP/SRTP 
• RTSP 
• STUN 
• DHCP 
• OpenVPN (Requires third-party app support) 
• SNTP 
• FTP/TFTP 
• HTTP/HTTPS 
• TR-069

Call Features

• Call out / Answer / Reject 
• Mute / Unmute (Microphone) 
• Call Hold / Resume 
• Call Waiting 
• Intercom 
• Caller ID Display 
• Speed Dial 
• Anonymous Call (Hide Caller ID) 
• Call Forwarding (Always/Busy/No Answer) 
• Do-Not-Disturb
•  Auto-Answering 
• Hot Line 
• IP call

Deployment & Management

• Action URL / Active URI 
• SIP Hotspot 
• Custom Ringtone 
• Multicast 
• Action Plan

Audio

• Wideband ADC/DAC 16KHz sampling 
• Narrowband Codec: G.711a/u, G.729AB, iLBc 
• Wideband Codec: G.722, opus 
• Acoustic Echo Canceller (AEC) 
• Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIPPNP/TR-069 
• Web Management Portal 
• Supports Web 
• Supports encrypted configuration files download withAES
• Supports Web upgrade
• Supports factory data reset

Physical Specifications

• 5 keys (Manager center key/Monitor key/Unlock key/Return(Hang up key)/Answer key) 
• 10 Pin Cable x1
• 2Pin Cable x1 
• Wall-mount Bracket x1 
• Screws Kit x1
• RJ45 interface x1 
• Micro USB interface x1 
• TF Slot x1
• RS-485 interface x1 
• 2 embedded short circuit output interface 
• 2 relays: MAX DC30V / 2A, AC125V / 0.5A
• Alarm input interface x8 
• Doorbell input interface x1 
• Power: DC12V/1A or PoE 
• Housing material: ABS & aluminum alloy 
• Installation: 
• Wall-mounted 
• Working temperature: -10 ~ 50℃
• Relative humidity: 10% - 90% 
• Equipment Dimension: 217x124x21mm
• Packing Dimension: 257x175x76mm 
• Outer CTN Dimension: 405*377*277mm(10 pcs)2 keys (Power, volume +/-)