• Audio:

HD voice: HD handset

Codec: G.711A/U, G.723.1 high/low, G.729AB, G.722, G.726-32

DTMF: in-band, RFC2833 and SIP INFO

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

• Network/ Security Features
  WAN / LAN: 10/100M Ethernet ports (Bridge mode)
  IP Configuration: Static / DHCP / PPPoE
  Network Access Control: 802.1x
  VPN: L2TP (Basic Unencrypted) / OpenVPN
  VLAN
  QoS

• Advanced Features
  Call transfer ( unattended/ attended/ semi-attended )
  Call holding
  Call waiting
  Redial
  Call completion
  Predial
  MWI
  Flexible dial plan
  Barring function for outgoing calls
  Do not disturb
  Auto answer
  CLIR(rejects anonymous calls)
  CLIP(to make an anonymous call)
  Dial without registration
  Call logs with missed calls/ incoming calls/ outgoing calls. Each support 300 records(Web)
  Speed Dial
  Hotline/Warm-line
  Password dial
  DTMF hidden
  Action URL/ active URI
  Multicast
  Web dial
  Emergency call

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

• Physical Specifications
  LCD: 3.5inch (480x320) color screen
  Adapter Input: AC100-240V
  Adapter Output: DC 5V/1A
  WAN Port -10/100 base-T RJ-45 for LAN
  LAN Port-10/100 base-T RJ-45 for PC
  Handset: RJ9
  Power consumption: IDLE: 2.5W Active: 2.8W
  Operation Temperature: 0-40 degree
  Relative Humidity: 10-65%
  SDRAM: 16MB
  FLASH: 8MB
  Dimension: 213x170x130 mm