The price is as low as $79.99 per unit.

Voice & Network Features

Protocol: SIP 2.0 (RFC 3261)
Supports Low Bit Rate codecs(follow ITU-T standard)
Ports: 1WAN, 1FXS, 1LIFELINE
Built-in V.34 modem for dial-up
Dynamic IP Supports (DHCP and PPPoE)
Provide easy configuration methods

Call Function & Specification

Ping function Supportsed
System status display on the LCD panel
Call with or without gatekeeper
Auto Provision
DTMF Relay : RFC2833, INFO, Inband
direct IP dialing)