• Call out / answer / reject
• Mute / Unmute (microphone)
• Call Hold / Resume
• Call Waiting
• Intercom
• Caller ID Display
• Call Forwarding (Always/Busy/No Answer)
• Call Transfer (Attended/Unattended)

• Call Parking/Pick-up (depending on server)
• Redial
• Do-Not-Disturb (per line / per phone)
• Auto-Answering (per line)
• Voice Message (on server)
• Local 3-way Conference
• Hot Line

• 2 SIP Lines
• HD Voice
• User Friendly Graphical Menu with Help description
• POE Enabled (X3P)
• Handset (HS) / Hands-free (HF) / Headphone (HP) mode
• Desktop / Wall-mount installation
• External Power Supply (X3)
• Economical and Environmental friendly package
• Industrial Standard Certifications: CE/FCC

Call Features

• Call out / answer / reject
• Mute / Unmute (microphone)
• Call Hold / Resume
• Call Waiting
• Intercom
• Caller ID Display
• Call Forwarding (Always/Busy/No Answer)
• Call Transfer (Attended/Unattended)
• Call Parking/Pick-up (depending on server)
• Redial
• Do-Not-Disturb (per line / per phone)
• Auto-Answering (per line)
• Voice Message (on server)
• Local 3-way Conference
• Hot Line

Phone Features

• Initialization Configuration Wizard
• Up to 5 User Accounts / Profiles with individual phonebook/call log/configurations/PIN
• Phone Accessibility Control by User PIN
• Intelligent Phonebook (up to 500 entries total)
• Cloud Phonebook (XML)
• Intelligent Contact Number Matching /Filtering
• Call log (300 entries total, in/out/missed)
• Call Connection Quality (QoS) Measurement and Indication
• Voice Message Waiting Indication (VMWI)
• Network Time Synchronization

Deployment & Maintenance

• Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP PNP/TR069
• Web Management Portal
• Web-based Packet Dump
• Configuration Backup/Restore
• Auto/Manual Online Software Upgrade
• Syslog

• HD Voice Microphone/Speaker (Handset/Hands-free, 0 ~ 7KHz Frequency Response)
• Wideband ADC/DAC 16KHz Sampling
• 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 INFONetworking
• Physical: 10/100Mbps Ethernet, dual bridged port for PC bypass
• IP Configuration: Static / DHCP / PPPoE
• Network Access Control: 802.1xVPN: L2TP (Basic Unencrypted) / OpenVPN
• VLAN
• QoS

Protocols

• SIP2.0 over UDP/TCP/TLS
• RTP/RTCP/SRTP
• STUN
• DHCP
• PPPoE
• 802.1xL2TP (Basic Unencrypted)
• OpenVPN
• SNTP
• FTP/TFTP
• HTTP/HTTPS
• TR069
• RFCs:
  354/1321/1350/1769/1889/1890/2131/2132/2616/ 2617/2661/2833/2976/3261/3262/3263/3264/3265/ 3268/3311/3489/3711/4346/4566/5630/5865

Physical Specifications

• LCD x1: 128×48 dot-matrix with backlit
• Keypad: 25 keys, including
  4 Soft-keys
  12 Standard Phone Digits keys
  2 Navigation keys (Up/Down)
  2 Line keys with tri-color LED
  1 Redial / Call Log Key
  3 Volume Control keys, Up/Down/Mute(Microphone)
  1 Hands-free / Headphone key
• HD Hands-free Speaker (0 ~ 7KHz) x1
• HD Hands-free Microphone (0 ~ 7KHz) x1
• HD Handset (RJ9) x1
• Standard RJ9 Handset Wire x1
• 1.5M CAT5 Ethernet Cable x1
• RJ9 Phone Jacket x2: Handset x1, Headphone x1
• RJ45 Ethernet Jacket x2: Network x1 (802.3AF POE Class 1 Enabled, X3P only),PC x1 (Bridged to Network)
• Main Chipset: Broadcom
• DC Power Input: 5V/1A
• Power Consumption: Idle – ~ 1.1W, Peak – ~ 1.8W
• Working Temperature: 0 ~ 40℃
• Working Humidity: 10 ~ 65%
• Dual-Functional Back Rack x1: Desktop Stand /Wall-mount
• Color: Black (K) / White (W) / Red (R) / Blue (B) / Yellow (Y)
• Package Dimensions: 275x215x62mm(W x H x L)