User`s manual

Chapter 1 Introduction

The CT-820C is a powerful WLAN VoIP Gateway, providing predictable, real-time,

toll-quality voice over the Internet. The CT-820C is designed for residential and

business users with broadband DSL or cable access, who need to integrate Wi-Fi

AP and VoIP technologies. The CT-820C offers users easy access to the Internet

via WLAN or Ethernet and provides VoIP via standard analog phones.

1.1 Features

• VoIP and router integrated

• 802.11g/b access point

• VPN passthrough

• QoS for voice

• DNS SRV

• Dial plan

• Call hold

• Call waiting

• Call transfer

• Call forwarding

• 3-way conference

• Direct number dialing

• Supports emergency call

• Day-time parental control

• T.38 fax relay and passthrough

• Caller ID presentation and restriction

• Supports life line: PSTN alive when power off

• Remote administration: automatic firmware upgrade and configuration

Optional

o Centralized configuration and firmware upgrade

via APS (Automatic Provision Server)