420 KEY FEATURES

420 KEY FEATURES

INITIAL SETUP

CALLER

Used to view Caller ID information when more than one line is ringing.

PROGRAM

Used to enter the program mode, page 10.

DND - DO NOT DISTURB

Silences the call and intercom ringers, page 26.

NAVIGATION KEYS

Used to navigate CALLER ID records, DIRECTORY records and Programming options.

SAVE

Used to program or change settings.

ERASE

Used to erase Caller ID or Directory records.

MSGW LIGHT CLEAR

Used to clear MESSAGE WAITING indicator.

CONFERENCE

Initiates 3-Way conference calls, page 26.

TRANSFER

Calls can be transferred from one 420 extension to another.

FLASH/FEATURE

Used to access telephone company features, page 25.

PAGE ALL

Page all 420 stations simultaneously, page 27.

PAGE

Page individual 420 stations, page 28.

VOLUME KEYS

Adjust the handset, headset, speakerphone or ringer volume levels, page 22.

INTERCOM

Call other 420 stations without using an outside line.

HEADSET

Answer or make calls without lifting the handset, page 36.

MUTE

Turns off the 420 microphone. The receiver stays on and calling party can still be heard, page 25.

4

HOLD

Places or releases a call on hold, page 24.

LCD (BACKLIT)

Large multi-function Liquid Crystal

INITIAL

Display indicates telephone status and

 

displays CALLER ID and DIRECTORY

SETUP

records, page 6.

 

NEW CALL/MESSAGE WAITING

INDICATOR

Indicates new Caller ID data or new telephone company voice mail, page 21.

DIRECTORY

Accesses the DIRECTORY database, page 32.

END

Used to exit a mode.

CALLER ID

Accesses the CALLER ID database, page 31.

DIAL

Used to dial CALLER ID and DIRECTORY numbers, pages 31-33.

REDIAL/LAST NUMBER REDIAL Automatically dials the last number called, page 25.

AUTO REDIAL

Automatically dials the last number called up to 10 times at 30 second intervals, page 25.

PAUSE

Allows a pause to be inserted in a dialing sequence, page 32.

FEATURE KEYS

Store multi-function autodial numbers, page 35.

LINE SELECT KEYS

Allows manual selection of lines 1, 2, 3 or 4, page 23.

2-COLOR LINE STATUS INDICATORS

Shows status of telephone lines at a glance, page 22.

SHIFT

Programs and dials Feature Keys, page 35.

SPEAKER(PHONE)

Answer or make calls hands free, page 23.

5

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AT&T SBC-420 user manual KEY Features, Mute

SBC-420 specifications

The AT&T SBC-420 is a high-performance broadband and voice communication device designed to meet the demands of both residential and business users. As a part of AT&T's ongoing commitment to providing reliable connectivity solutions, the SBC-420 integrates advanced technologies to enhance user experience and deliver robust service capabilities.

One of the main features of the SBC-420 is its dual-mode functionality, allowing it to operate as both a digital subscriber line (DSL) modem and a Voice over Internet Protocol (VoIP) gateway. This versatility makes it an ideal choice for users who require both high-speed internet access and digital voice services. With its support for multiple simultaneous calls over the same broadband connection, the SBC-420 ensures that users can enjoy clear and uninterrupted voice communication.

The SBC-420 is equipped with advanced DSL technology, supporting ADSL2+ for faster download speeds and improved performance. This technology enables users to experience seamless streaming, gaming, and browsing capabilities, even during peak usage times. The device brings high-speed internet access right into the home or office, reducing latency and enhancing the overall internet experience.

In terms of wireless connectivity, the SBC-420 features built-in Wi-Fi capabilities, offering users the flexibility to connect multiple devices without the need for additional routers or access points. With dual-band support, this device can reduce interference and provide stable connections across various environments. The inclusion of multiple Ethernet ports also ensures that wired connections can be established for devices that require a more dependable connection.

Security is a key focus for the SBC-420, which includes robust encryption protocols to protect user data and maintain privacy across the network. The device simplifies network management and security settings, allowing users to easily monitor and configure their home or office network to their specific needs.

Overall, the AT&T SBC-420 combines essential features, cutting-edge technologies, and user-friendly characteristics into a single device that excels in delivering fast internet and reliable voice services. Its adaptability, advanced performance, and commitment to security make it an excellent choice for a wide range of users, from casual consumers to small businesses seeking dependable communication solutions.