• 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)

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

• 6 SIP Lines
• HD Voice
• POE Enabled
• 2 LCDs (Main + DSS)
• Handset(HS)/Hands-free(HF)/Headphone(HP) mode
• Intelligent DSS Keys
• Desktop / Wall-mount installation
• Optional External Power Supply
• 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
• Speed Dial
• Anonymous Call (Hide Caller ID)
• Call Forwarding (Always/Busy/No Answer)
• Call Transfer (Attended/Unattended)
• Call Parking/Pick-up (depending on server)
• Redial/Auto-Redial
• Do-Not-Disturb (per line / per phone)
• Auto-Answering (per line)
• Voice Message (on server)
• Local 3-way Conference
• Hot Line
• Hot-Desking

Phone Features

• Phonebook (500 entries)
• Remote Phonebook (XML/LDAP)
• Call log (300 entries, in/out/missed)
• Black/White List Call Filtering
• Voice Message Waiting Indication (VMWI)
• Programmable DSS/Soft keys
• Network Time Synchronization
• Action URL / Active URI

Audio

• 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 INFO

Networking

• Physical: 10/100Mbps(X5),10/100/1000Mbps(X5G) Ethernet, dual bridged port for PC bypass
• 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
• PPPoE
• 802.1x
• L2TP (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

Deployment & Maintenance

• Auto-Provisioning via FTP/TFTP/HTTP/
  HTTPS/DHCP OPT66/SIP PNP/TR069
• Web Management Portal
• Web-based Packet Dump
• Configuration Export / Import
• Phonebook Import/Export
• Firmware Upgrade
• Syslog

Physical Specifications

• Main LCD x1: 128×64 dot-matrix with backlit
• DSS Key-mapping LCD x1: 64×192 dot-matrix
• Keypad: 38 keys, including
  4 Soft-keys
  3 Function keys
  4+1 Navigation keys + OK
  12 Standard Phone Digits keys
  3 Volume Control keys, Up/Down/
  Mute(Microphone)
  1 Hands-free key
  8 DSS Keys with tri-color LED
  1 Page-Switch (PS) key with tri-color LED
  1 Page-Jump/Configuration (PJC) 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 2 Enabled),
  PC x1 (Bridged to Network)
• Main Chipset: Broadcom
• DC Power Input: 5V/1A
• Power Consumption: (X5) Idle – ~ 1.3W,
  Peak – ~4.3W
  (X5G) Idle – ~ 1.7W,
  Peak – ~5.7W
• Working Temperature: 0 ~ 40℃
• Working Humidity: 10 ~ 65%
• Dual-Functional Back Rack x1: Desktop Stand /
  Wall-mount
• Color: Black
• Package Dimensions: 285x270x65mm (W x H x L)