Specifications:

Codec: g. 726 (16/24/32/40) g. 711 (a-law, u-law) g. 723 g. 729 Network Protocol: SIP v 2.0 (rfc 3261) IP/TCP/UDP/RTP/RTPCP/IC/MP/ARP/RARP/SNTP TFTP/RTP/DHCP/DNS/SNTP Client HTTP/DHCP/NAT Server PPPoE/Static/DHCP IP Assignment NAT Transversal STUN Media Relay

Security:

• HTTP 1.1 Basic/digest authentication for web setup
• MD5 for SIP authentication (RFC 2069/RDC2617)

QoS:

• ToS, IEEE 802.1q VLAN

DTMF:

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

Voice Quality:

• VAD-Voice activity detection
• CNG-Confortable noise generator
• ACE-Autoacustic echo canceler
• g. 165- Line echo canceler (LEC)
• g. 168- Digital echo canceler (EC)
• Jitter Buffer

Tones:

• 4 Types of ring tone

Display:

• Backlight LCD with 2×16 dot matrix
• Caller ID supported
• Date & Time Display

Electrical Info.

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

Size & Weight

• Dimensions: 7.08″L x 7.8″W x 3.14″H (18 x 20 x 8cm)
• Weight: 0.482lb (0.8kg)