Panasonic KX-TG5621 User Manual (English)

Other manuals for Panasonic KX-TG5621

Questions and Answers:

L
Laurie PetersSep 12, 2025
Why the 2nd caller’s information is not displayed during an outside call on my Panasonic KX-TG5621?
- W
  webstercarolynSep 12, 2025
  To use Caller ID, Call Waiting, or Call Waiting Caller ID (CWID) on your Panasonic Cordless Telephone, you must first contact your telephone company and subscribe to the desired service. After subscribing, you may need to contact your telephone company again to activate this specific service, even if you already subscribed to both Caller ID and Call Waiting with Caller ID services (CWID).
J
James PooleAug 25, 2025
What to do if my Panasonic KX-TG5621 Cordless Telephone does not work?
- D
  Dr. Steven DeanAug 25, 2025
  If your Panasonic Cordless Telephone is not working, make sure the battery is installed correctly and fully charged. Check the connections. You can also try unplugging the base unit’s AC adapter to reset the unit, then reconnect it. If the handset has not been registered to the base unit, register the handset.
J
Jerry OsborneAug 25, 2025
What to do if I cannot hear a dial tone on my Panasonic KX-TG5621 Cordless Telephone?
- D
  Danielle BrownAug 26, 2025
  If you cannot hear a dial tone on your Panasonic Cordless Telephone, first confirm that the telephone line cord is connected. If it is, disconnect the unit and connect a known working telephone. If the working telephone operates properly, contact service personnel to have the unit repaired. If the working telephone does not operate properly, contact your telephone company.
M
Marie RogersAug 26, 2025
How to fix a blank handset display on Panasonic KX-TG5621 Cordless Telephone?
- H
  Heather McgeeAug 26, 2025
  If the handset display is blank on your Panasonic Cordless Telephone, confirm that the battery is properly installed and fully charge the battery.
C
Charles DavisSep 12, 2025
Why I cannot listen to messages from a remote location on my Panasonic KX-TG5621 Cordless Telephone?
- J
  James JacksonSep 12, 2025
  If you cannot listen to messages from a remote location on your Panasonic Cordless Telephone, a touch tone phone is required for remote operation. Enter the remote code correctly. The answering system may also be off; turn it on.
K
Kenneth BrewerSep 13, 2025
Why I cannot operate the answering system on my Panasonic Cordless Telephone?
- K
  Kayla NguyenSep 13, 2025
  If you cannot operate the answering system on your Panasonic Cordless Telephone, someone else may be operating the answering system or someone is on a conference call. Try again later.
M
Mr. Jose ClarkSep 5, 2025
What to do if I cannot have a conversation using the headset on my Panasonic KX-TG5621?
- A
  alexanderhowardSep 5, 2025
  If you cannot have a conversation using the headset on your Panasonic Cordless Telephone, make sure that an optional headset is connected properly. If “SP-phone” is displayed on the handset, press {C} to switch to the headset.
E
Elizabeth HorneSep 5, 2025
Why I cannot page the handset on my Panasonic Cordless Telephone?
- M
  melvinnelsonSep 6, 2025
  If you cannot page the handset on your Panasonic Cordless Telephone, the called handset may be too far from the base unit, or the called handset is in use. Try again later.
B
Benjamin ColemanAug 31, 2025
How to fix a Panasonic Cordless Telephone that doesn't ring?
- A
  anthony80Sep 1, 2025
  If your Panasonic Cordless Telephone handset doesn't ring, the ringer volume may be turned off. Adjust it.
A
adam38Aug 30, 2025
How to fix no dial tone on Panasonic Cordless Telephone?
- T
  tstephensAug 30, 2025
  If you cannot hear a dial tone on your Panasonic Cordless Telephone: * Ensure the telephone line cord is properly connected. * Test with a known working telephone. If it also fails, contact your telephone company; otherwise, have the unit repaired.

Panasonic KX-TG5621 Specifications

General

Number of Handsets	1
Frequency	1.9 GHz
Caller ID	Yes
Talk Time	Up to 10 hours
Range	Up to 1000 feet
Display	LCD
Battery Type	Ni-MH
Speakerphone	Yes
Call Waiting	Yes
Intercom	Yes
Expandable	Yes
Answering Machine	No
Backlit Display	Yes
Type	Cordless Phone
Phonebook Capacity	50

Summary

Introduction to Panasonic Cordless Phones

Your Phone Model Overview

Introduction to the Panasonic cordless telephone models.

Expanding Your Phone System

Add accessory handsets to expand system functionality.

Accessory Information

Included Accessories

Lists items included with the Panasonic phone system.

Additional and Replacement Accessories

Lists optional accessories available for purchase.

Sales and Support Information

Contact details for ordering parts and product support.

Important Safety Instructions

For Best Performance

Base Unit Location and Noise

Optimal placement and factors affecting signal quality for the base unit.

Environment Guidelines

Recommended environmental conditions for product operation.

Routine Care and Cleaning

Instructions for cleaning and maintaining the product.

Preparation

Setting Up the Base Unit

Connecting AC adaptor and telephone line cord to the base unit.

Connecting the Telephone Line Cord

Connecting the telephone line cord, including DSL considerations.

Setting Up the Handset

Connecting AC adaptor and installing battery in the handset.

Battery Charge

Charging the handset battery and battery performance details.

Battery Replacement

Steps for replacing the handset battery.

Base Unit Controls

Identification and function of base unit controls and indicators.

Display Information

Explanation of display items on base unit and handset.

Symbols Used in Operating Instructions

Explains symbols used in the manual for operations.

Setting the Unit Before Use

Setting display language and dialing mode on the unit.

Making and Answering Calls

Making Calls

How to initiate phone calls using the handset.

Using the Speakerphone

Instructions for using the speakerphone function during calls.

Adjusting Receiver/Speaker Volume

How to adjust audio volume during a call.

Making a Call Using Redial List

How to call numbers from the redial list.

Answering Calls

How to receive incoming phone calls.

Auto Talk Feature

Answer calls by lifting handset without pressing button.

Temporary Ringer Off

Temporarily silencing ringer for incoming call.

Useful Features During a Call

Features like HOLD and Mute for call management.

Flash Button Function

Using FLASH for PBX features or Call Waiting.

Call Waiting Feature

How to use the Call Waiting feature.

Temporary Tone Dialing

Switching dialing mode for rotary or pulse service.

Handset Clarity Booster

Improving sound clarity in noisy environments.

Handset Voice Enhancer

Enhancing voice clarity during conversations.

Phonebook Management

Handset Phonebook Overview

Using phonebook for making and storing calls.

Adding Items to Handset Phonebook

Step-by-step guide to adding new contacts.

Editing and Correcting Entries

How to edit or correct entries in the phonebook.

Finding and Calling Phonebook Items

Searching for and dialing contacts from the phonebook.

Searching Names Alphabetically

Method for alphabetically searching phonebook entries.

Editing Handset Phonebook Items

How to edit existing contacts in the phonebook.

Erasing Handset Phonebook Items

How to delete contacts from the phonebook.

Chain Dial Feature

Dialing phonebook numbers while on an active call.

Copying Handset Phonebook Items

How to copy phonebook entries between handsets.

Caller ID Service

Using Caller ID Service

Overview of Caller ID compatibility and subscription requirements.

Caller ID Features

Displaying caller name/number and the caller list.

Private Name Display

How private name display works with stored entries.

Call Waiting Caller ID Display

Displaying second caller info during Call Waiting.

Talking Caller ID

Announcing caller names audibly without looking at display.

Ringer ID and Light-up ID

Assigning ringers and indicator colors to callers.

Caller List

Information logged for incoming calls and how to view it.

Editing Caller's Phone Number

Formatting phone numbers from the caller list.

Caller ID Number Auto Edit

Automatically editing phone numbers by area code.

Storing Caller Information into Phonebook

Saving caller ID info directly to phonebook.

Erasing Caller Information

How to erase caller list entries.

Programming Features

Programmable Settings Overview

Introduction to customizing unit features via programming.

Telephone Feature Settings

List of programmable telephone features.

Ring Color Settings

Setting custom ring colors for callers.

Ringer Tone Customization

Customizing handset and base unit ring tones.

Handset Ringer Volume

Adjusting handset ringer volume.

Set Dial Mode

Setting the dialing mode (tone/pulse).

Set Flash Time

Adjusting the FLASH button timing.

Set Line Mode

Setting the line mode for call handling.

Time Adjustment (Caller ID)

Auto-adjusting date/time with Caller ID.

Voice Enhancer Setting

Turning voice enhancer feature on or off.

Talking Caller ID Setup

Setting up the Talking Caller ID feature.

Programming Using Display Guidance

How to program features using display prompts.

Customer Support Access

Accessing support info via handset display.

Base Unit Ringer Volume

Adjusting the base unit's ringer volume.

Answering System

Answering System Feature Overview

Overview of answering system capabilities and important notes.

Memory Capacity

Total recording capacity and message limits.

Setting Up the Answering System

Turning system on/off and screening calls.

Recording Greeting Message

How to record a personalized greeting message.

Playing Back Greeting Message

Listening to the recorded greeting message.

Erasing Greeting Message

Deleting the custom greeting message.

Prerecorded Greeting Message

Information about the default greeting message.

Listening to Messages (Base Unit)

How to play back messages using the base unit.

Adjusting Speaker Volume During Playback

Adjusting speaker volume during message playback.

Useful Features During Playback

Features like repeating, skipping, and pausing messages.

Erasing Messages

How to erase individual or all recorded messages.

Listening to Messages (Handset)

How to play back messages using the handset.

Voice Guidance for Answering System

Using voice prompts to operate the answering system.

Adjusting Receiver/Speaker Volume (Handset)

Adjusting volume while listening to messages on handset.

Calling Back (Caller ID Subscribers)

Calling back callers directly from message playback.

Remote Operation

Accessing answering system functions remotely via phone.

Using the Answering System Remotely

Step-by-step guide to operating the system remotely.

Remote Commands for Answering System

Specific dial keys for remote answering system control.

Answering System Settings

Settings for remote code, ring count, and Voice Mail.

Remote Code Setup

Setting a code to prevent unauthorized remote access.

Ring Count Adjustment

Changing the number of rings before the unit answers.

Caller's Recording Time

Setting the maximum recording time per caller message.

Message Alert Configuration

Configuring the message indicator on the handset.

Voice Mail Service

Using Voice Mail Service

How the phone integrates with telephone company Voice Mail.

Storing Voice Mail Access Number

Entering the access number to use the Voice Mail service.

Voice Mail Tone Detection

How the unit detects new Voice Mail messages.

Turning VM Detection On/Off

Enabling or disabling Voice Mail tone detection.

Listening to Voice Mail Messages

Steps to access and listen to Voice Mail messages.

Voice Mail Message Alert

Configuring handset message indicator behavior.

Multi-Unit Operation

Handset Locator

How to page a misplaced handset.

Intercom Functionality

Using the phone for internal calls between units.

Making an Intercom Call

Steps to initiate an intercom call.

Answering an Intercom Call

How to answer an intercom call on handset or base unit.

Transferring a Call

Moving an ongoing call to another handset.

Conference Calls

Setting up calls with multiple parties.

Call Share Feature

Joining an existing external call.

Registering a Unit

Process for registering a handset to the base unit.

Useful Information

Wall Mounting Instructions

Instructions for mounting the base unit on a wall.

Charger Wall Mounting

Instructions for wall mounting the charger.

Belt Clip (Optional)

How to attach and use the optional belt clip.

Headset (Optional)

Connecting and using an optional headset.

Error Messages and Solutions

Common error messages and their solutions.

Troubleshooting Guide

Solutions for general unit, settings, and call issues.

FCC and Other Information

Regulatory compliance information and FCC statements.

Product Specifications

Technical specifications for base unit, handset, and charger.

Warranty Information

Details of limited warranty coverage and mail-in service.

Customer Services Directory

Contact info for product support, parts, and accessories.

Assistance with Setup or Operation

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