96-006164-010-000_E5644 QSG_R0.qxd 2/13/1950 7:21 PM Page 3

Getting Started

Quick reference guide

Handset

^CID

Press to scroll up while in menus. Press to display Caller ID information. While entering names or numbers, press to move the cursor to the left.

PHONE/FLASH

Press to make or answer a call. During a call, press to receive an incoming call, if Call Waiting is activated .

MUTE/DELETE

While on a call, press to mute microphone. While reviewing the call log, press to delete an individual entry or press and hold to clear the Caller ID log.

While pre-dialing, press to delete digits from a string.

SPEAKER

Press to activate handset speakerphone. Press again to resume normal handset use.

SELECT/MENU

Press to display menu, or to select highlighted item from menu.

V DIR

Press to scroll down while in menus. Press to display directory entries. While entering names, press to advance cur- sor.

OFF/CLEAR

During a call, press to hang up.

While using menus, press to cancel an operation, back up to the previous menu, or exit the menu display.

REDIAL/PAUSE

Press to view redial memory. While entering numbers, press and hold to insert a dialing pause.

INTERCOM

Press to initiate an intercom conversa- tion or transfer a call.

Feature menu

>shows highlighted item

>DIRECTORY CALL LOG

Menu

Feature Menu

Directory

Call Log

Ringer Volume

Ringer Tone

Key Tone

Language

CLR Voice Mail

Dial Type

Press ^or Vto scroll through menu items.

Press SELECT to select or modify a highlighted item.

Press OFF/CLEAR to cancel an operation, back up to the pre- vious menu, or exit the menu display.

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AT&T 5643B quick start Quick reference guide, Handset, Feature menu

5643B specifications

The AT&T 5643B is a sophisticated telecommunications device designed to enhance communication capabilities for both residential and business users. This high-performance device integrates advanced features and technologies that cater to a variety of networking needs.

One of the primary characteristics of the AT&T 5643B is its robust support for high-speed internet connectivity. With its built-in dual-band Wi-Fi technology, the device operates on both 2.4 GHz and 5 GHz frequencies, allowing users to enjoy faster internet speeds and reduced interference. This is particularly beneficial for households with multiple devices connected simultaneously, enabling seamless streaming, gaming, and browsing experiences.

In terms of coverage, the AT&T 5643B is equipped with multiple antennas that provide extensive Wi-Fi range, ensuring that even the farthest corners of a home or office maintain solid internet connectivity. This feature is a significant advantage for large properties or areas where signal strength may typically diminish.

The device also incorporates advanced security features to protect users' networks. With support for WPA3 encryption, the AT&T 5643B enhances security protocols, making it difficult for unauthorized users to gain access to the network. Furthermore, the device offers parental controls and guest network options, allowing users to manage their network settings effectively and ensure a safe online environment for children.

Another standout feature of the AT&T 5643B is its compatibility with Voice over IP (VoIP) technology. This allows users to make high-quality voice calls over the internet, reducing phone bills and enhancing connectivity for those who rely on voice communication. The inclusion of multiple Ethernet ports also supports wired connections for devices that require stable and high-speed internet, such as gaming consoles or desktop computers.

The AT&T 5643B is designed with user-friendliness in mind. Its intuitive web interface allows easy setup and management, enabling users to personalize their network settings without needing extensive technical knowledge. With built-in troubleshooting and diagnostic tools, users can quickly identify and resolve connectivity issues, ensuring minimal disruptions to their internet service.

In summary, the AT&T 5643B stands out as a reliable and feature-rich telecommunications solution. With its high-speed dual-band Wi-Fi, extensive coverage, advanced security measures, VoIP compatibility, and user-friendly interface, it effectively meets the demands of modern internet users, making it an excellent choice for both home and business environments.