Display

• Backlight LCD screen provides scrollable information
  - Resolution: 2*16 Dot Matrix
  - Dimensions: 0.80” H * 3.14” W (8 * 2 cm)
• Caller ID – shows name and phone number of incoming call
• Displays multiple simultaneous calls
• Date & Time Display

Administration

• Customizable web pages for installation and configuration.
• Function Key on the phone for installation and configuration.
• Automatically reassign user settings when rebooting phone(s).
• Customizable web pages for firmware updating.

Phone Function

• Visual ring & messages indicator – RED LED right is visible from all angles.
• Music on Hold (Built-in Only)
• Remote SIP registrations – Up to 3 accounts
• Non-volatile user settings – will not lose settings if power is lost.
• Call history
• High quality full duplex speakerphone
• Wall mountable
• Two integrated 10/100 Ethernet switched ports
• Speed Dials – Up to 10 records
• Phone Book – Up to 140 records

Call Feature

• Call Redial – supports to call the last number dialed
• Call Block (DND) –supports to block all incoming calls
• Call Hold –supports to put a call on hold.
• Call Transfer – supports for both attended and unattended (Blind) transfer
• Call Forward – supports to forward all incoming call by demand or duration
• Call Waiting – supports to answer two calls simultaneously
• Three parties conference – supports 3-way calling

Tone

• Ring tone
• Ring back tone
• Dial tone
• Busy tone

DTMF Function

• In-Band DTMF
• Out-of-Band DTMF (RFC2833)
• SIP Info

Voice Quality

• VAD: Voice activity detection
• CNG: Comfortable noise generator
• AEC: Acoustic echo canceller
• G.165: Line echo canceller (LEC)
• G.168: Digital network echo canceller (EC)
• Jitter Buffer

Codec

• G. 723.1(5.3/6.3 k)
• G. 726 (16/24/32/40)
• G. 729A (8k, CS-ACELP)
• G. 729B (VAD & CNG)
• G. 711

NAT Traversal

• STUN
• Media Relay

QoS

• ToS
• IEEE 802.1q VLAN

IP Assignment

• PPPoE
• DHCP
• Static IP

Network Protocol

• SIP version 2 (RFC3261)
• IP/TCP/UDP
• RTP/RTCP
• ARP/RARP
• TFTP/FTP/DHCP/DNS/SNTP Client
• HTTP/DHCP/NAT Server

Security

• HTTP 1.1 basic/digest authentication for web setup
• MD5 for SIP authentication (RFC 2069/ RFC 2617)

Phone Buttons

• 10 Speed Dialing Hotkeys
• 4-ways Navigation Keys
• Voice MSG – used for fast access to the message center.
• Volume Control Keys – for full duplex speaker phone, handset and ringer.
• Alphanumerical Keys
• Function Keys
  - Phone Book
  - Redial
  - DND
  - Hold
  - Transfer
  - Conference
  - Forward
  - Delete

Electrical information

• 6V DC adapter, supplied locally at the desktop using the included AC to DC power supply

Height and Weight

• Dimensions: 7.08” H * 7.8” W * 3.14” D (18 * 20 * 8 cm)
• Weight: 0.482 lb (0.219kg)

Type-Approval and Certification

• FCC
• CE