What to do if the name stored in the phonebook is not fully displayed while an outside call is being received on my Panasonic KX-TG6721E Cordless Telephone?
- BbrownreginaldSep 9, 2025
Edit the phonebook entry name to fit in 1 line of text.

What to do if the name stored in the phonebook is not fully displayed while an outside call is being received on my Panasonic KX-TG6721E Cordless Telephone?
Edit the phonebook entry name to fit in 1 line of text.
What to do if the Panasonic KX-TG6721E Cordless Telephone unit does not work?
Ensure the batteries are installed correctly and are fully charged. Check the connections. Unplug the base unit’s AC adaptor to reset the unit and turn off the handset, then reconnect the adaptor, turn on the handset, and try again. Also, ensure the handset has been registered to the base unit; if not, register the handset.
What to do if my Panasonic KX-TG6721E handset does not ring?
Check if the ringer volume is turned off and adjust it accordingly. Also, verify that night mode is not turned on, as this silences the ringer. Turn off night mode if it is enabled.
What to do if I cannot make a call on my Panasonic KX-TG6721E?
Check if you are dialing a restricted number. Also, make sure the key lock feature is turned off.
What to do if the Panasonic Cordless Telephone handset beeps and/or flashes?
Fully charge the batteries.
Why does my Panasonic Cordless Telephone unit not record new messages?
The answering system may be turned off, so turn it on. The message memory may be full, so erase unwanted messages. The recording time may be set to 'Greeting Only', so change the setting. If you subscribe to a voice mail service, change the unit’s number of rings setting or contact your service provider/telephone company.
What to do if the display is in a language I cannot read on my Panasonic KX-TG6721E?
Change the display language.
What to do if I cannot use the smart function key even if the smart function indicator is flashing slowly on my Panasonic KX-TG6721E?
Another unit is in use. Wait and try again later. The key lock feature is turned on. Turn it off.
What to do if I fully charged the batteries, but they still flash or the operating time seems to be shorter on my Panasonic Cordless Telephone?
Clean the battery ends (, ) and the charge contacts with a dry cloth and charge again. If the problem persists, it is time to replace the batteries.
What to do if the Panasonic KX-TG6721E Cordless Telephone base unit does not ring?
Check if the ringer volume is turned off and adjust it.
| Type | Cordless Telephone |
|---|---|
| Number of Handsets | 1 |
| Talk Time | 15 hours |
| Standby Time | 170 hours |
| Display | 1.8 inch LCD |
| Ringtones | 10 |
| Caller ID | Yes |
| DECT Technology | Yes |
| Answering Machine | Yes |
| GAP Compatible | Yes |
| Frequency | 1.9 GHz |
| Call Waiting | Yes |
| Speakerphone | Yes |
| Intercom | Yes |
| Weight (Handset) | 120 g |
| Phonebook Capacity | 100 names and numbers |
| Range | Up to 300 meters outdoors, 50 meters indoors |
| Expandable | Up to 6 handsets |
| Power Source | Rechargeable NiMH battery |
Details the components and quantities for different models.
Compares features like answering system and intercom across series.
Lists supplied and additional/replacement accessories with part numbers and quantities.
Explains how to add optional handsets to expand the system.
Provides contact details for customer support and sales in the UK.
General product information, declaration of conformity, and contact for authorized representative.
Safety precautions to prevent injury and property damage.
Guidelines for safe operation and maintenance of the unit.
Advice regarding medical devices and RF energy exposure.
Guidelines for safe installation and placement of the phone unit.
Instructions and warnings related to battery usage, handling, and charging.
Basic safety precautions to reduce risks of fire, shock, and injury.
Tips for optimal performance, including base unit placement and environmental factors.
Recommendations for keeping the product away from harmful environmental conditions.
Instructions for cleaning and maintaining the product's exterior.
Caution about battery replacement and product disposal.
Advice on erasing personal data before disposing or returning the product.
Guidance on recycling old electronic equipment and batteries.
Technical specifications of the phone, including standard, frequency, power, and operating conditions.
Instructions for connecting the unit, including AC adaptor and telephone line.
Instructions for installing Ni-MH batteries correctly into the handset.
Steps for charging the handset batteries and indicators for charging status.
Important notes regarding connections, power failure, battery installation, and charging.
Identifies and explains the controls and features of the handset.
Identifies and explains the controls on the base unit.
Explains the icons and meanings shown on the handset display.
Explains icons and meanings shown on the base unit display.
Explains the icons associated with the handset's soft keys.
Shows icons displayed in the handset's main menu and their features.
Instructions for powering the handset on and off.
Guidance on initial setup procedures, including direct command codes.
Details on how to use the smart function key for various operations.
Instructions on how to configure the smart function key settings.
How to activate and use the one-touch eco mode to reduce power consumption.
Instructions and diagrams for mounting the base unit and charger on a wall.
Steps for making a phone call using the handset or speakerphone.
Instructions for answering an incoming call.
Information about the auto talk feature for answering calls.
How to adjust the ringer volume for incoming calls.
Explains features like Hold, Mute, Recall/Flash, Call Waiting, and Equalizer.
How to lock and unlock the handset to prevent unauthorized use.
Overview of the phonebook features and capacity.
Steps for adding new names and phone numbers to the phonebook.
How to locate and call entries stored in the phonebook.
How to modify existing entries in the phonebook.
How to delete entries from the phonebook.
Instructions for copying phonebook entries between handsets.
Overview of customizing unit features via menus or direct codes.
Method to access settings by navigating through menu options.
Method to access settings using specific numerical codes.
Settings for ringer, time, name, eco, display, top key, keytones, call restrict, auto talk.
Settings for privacy mode, base unit PIN, repeater mode, registration, and language.
Settings for ringer volume, ringtone, night mode, ring delay, and first ring.
Operation for storing/viewing barred call numbers.
Section for advanced programming features.
How to set and configure the alarm function with memo and snooze.
How to activate and deactivate the night mode feature.
How to assign a custom name to each handset.
How to reject calls from specified phone numbers.
Steps to store phone numbers in the call barred list.
How to restrict specific handsets from dialling certain numbers.
How to change the base unit's PIN for security.
Steps to register a handset to the base unit if it's not already paired.
How to cancel a handset's registration from the base unit.
How to extend the base unit's range using a DECT repeater.
Steps to register a DECT repeater to the base unit.
Information about receiving and displaying caller information.
How missed calls are indicated and displayed.
Information about the caller list and its important notes.
How to view the caller list and make a call back.
How to edit a phone number from the caller list before calling back.
How to delete entries from the caller list.
Steps to save caller information into the phonebook.
Overview of the answering system's availability and basic functions.
Information on the total recording capacity and message limits.
How to turn the answering system on and off for both base unit and handset.
How to use your own greeting message or pre-recorded ones.
Steps to record a personal greeting message for the answering system.
How to play back new or all messages using the base unit.
How to play back new or all messages using the handset.
How to call back a caller while listening to their message.
Guide to operate the answering system from a remote phone.
Setting and using a remote access code for secure remote operation.
Step-by-step guide to operate the answering system from a remote phone.
Configuration options for the answering system.
How to adjust the number of rings before the answering system answers.
How to set the system to announce a greeting but not record messages.
How to change the maximum message recording time per caller.
Explains the voice mail service offered by service providers and its interaction with the unit.
How to make intercom calls between handsets.
Steps to initiate an intercom call to another handset.
How to locate a misplaced handset by paging it.
How to transfer calls or set up conference calls.
Guide to using dial keys for entering characters and numbers.
Explains the different character entry modes available on the unit.
Lists common error messages and their causes/solutions.
General and programmable settings troubleshooting guide.
Troubleshooting steps for battery recharge issues.
Troubleshooting for call and intercom issues.
Troubleshooting for Caller ID display and time issues.
Troubleshooting for answering system operation and remote control.
Instructions for dealing with liquid damage to the handset or base unit.
Details of the product's guarantee terms and conditions.












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