Base handset has interference.

If your Uniden product is not performing to your expectations, please try these simple steps. If you are still unable to resolve the problems, please contact Uniden Customer Service for assistance. CHARGING/POWER

Charge light won't come on when Handset is placed in the Base Unit?

There are no lights on the Base Unit?

The telephone only operated after the first time the handset was charged?

The batteries do not work in my new cordless phone?

The charging light colour does not change when the batteries are fully charged?

Should I leave the handset back on the base after the batteries are fully recharged?

The handset beeps?

AUDIO QUALITY

Audio sounds weak and/or scratchy. Interference is evident on my analogue phone?

Interference is evident on my digital phone?

Only continuous static is heard from the Handset and the phone will not turn off?

The handset and base make a humming noise?

NO CALLS

Can't make or receive calls. There is no dial tone?

RINGING

Handset does not ring or receive a page?

The Base Unit does not ring?

CALLER ID

How do I activate caller ID?

How can I access call waiting?

Call waiting is not working?

GENERAL OPERATION

Range is limited?

The answering machine is not answering calls?

Telephone banking is not working?

How do I extend the number of rings?

The clock on the answering machine looses time?

I cannot record an outgoing message?

How do you store phone numbers to memory?

Will my phone work overseas?

What do I do if my phone gets wet?

The earpiece volume is not loud enough?

The ringer volume is not loud enough?

General - Product Troubleshooting - VTech® Cordless Phones

www.vtechphones.com/support/.../35/178

VTech Communications Inc.Step 1: Place the handset in the base or charger. If PRESS FIND HS 4 SEC ON BASE does not appear on the screen after a few seconds, lift up handset and recradle it in the base or charger. Step 2: On the telephone base, press and hold FIND HANDSET for approximately four seconds.

Product Registration - VTech® Cordless Phones

https://www.vtechphones.com/.../product-re...

VTech Communications Inc.Vtech DECT 6.0 cordless phones are among the most advanced and innovative homephones on the ... Product Registration. How do I register my product?

vtech cordless handset, how to register - YouTube

? 3:21
https://www.youtube.com/watch?v=dV9rZ_cYcks
Feb 22, 2015 - Uploaded by Brian Williams
i registered my handset but im not able to call and answer call from my ... you lose your phone you have to de register allphones and start over.

This sounds like Handset #1 has lost its "registration" with
the base. De-registering & re-registering is often easy.

First, be sure the handset battery is well charged as a
weak battery will interfere with the registration process.
Then try this ( 'works for the D1680, D1481, & similar):

To deregister the handset:

1. Press and hold the [END] and [ # ] keys at the same time,
after a few seconds the display will say
"System Reset, Deregister Handset"
press [SELECT]
scroll to "Base Unavailable"
press [SELECT] (chirps) press [END]
display reads "Place in base..."

Next, to re-register the handset:

2. Set the handset into the base cradle and wait,
within ~30 seconds the handset should display
a "Handset #" and be good to go.

Good luck!
--------------

This sounds like the handset has lost its "registration" with
the base. De-registering & re-registering is often easy.

First, be sure the handset battery is well charged as a
weak battery will interfere with the registration process.
Then try this ( 'works for the D1680, D1481, & similar):

To deregister the handset:

1. Press and hold the [END] and [ # ] keys at the same time,
after a few seconds the display will say
"System Reset, Deregister Handset"
press [SELECT]
scroll to "Base Unavailable"
press [SELECT] (chirps) press [END]
display reads "Place in base..."

Next, to re-register the handset:

2. Set the handset into the base cradle and wait,
within ~30 seconds the handset should display
a "Handset #" and be good to go...

Good luck!
--------------

No........

CS6319-4 Features:

• New DECT 6.0 Technology
  - Interference Free Communication
  - Increased Clarity / Enhanced Security
  - Wider Range / Network Friendly
• 1.9GHz Cordless Phone
  - Dedicated for Cordless Phones by the FCC
  - 30% Battery Life Increase Over 5.8GHz
• Caller ID / Call Waiting
• Expandable Up To 5 Handsets
• Wall Mountable
• Handset Speakerphone
• Backlit LCD Display
• Backlit Keypad
• Name / Number Caller ID Memory
• 100 Station Phone Directory / Dialer
• Conferencing
• Selectable Ringtones
• Handset Volume Control
• Handset to Handset Intercom
• Call Transfer
• Last Number Redial

At 20 ft line of sight, you should have perfect reception with most any cordless phone.

The fuzzy signal can indicate:
1.
A weak signal between base and handset.
20 ft line of sight should have a good strong signal.
Your handset may be defective.
Or, your handset battery may be weak.
Your base unit may be defective.

2.
You may be experiencing RFI Interference.
Is the base unit next to any other electronic devices?
If it is next to a wireless router or some other wireless device, it may be overloaded by the nearby signal (even if on a different frequency)

I've got a 5 year old Panasonic 5.8 Ghz cordless phone connected to my VoIP box. I just tested it from about 25 ft away from the base unit in another room with a wall in between and my reception is perfect.

I did the same test with my Panasonic DECT 6.0 phones (1.9 GHz). The first handset is slightly fuzzy, but otherwise good signal. The 2nd handset was perfectly quiet with good strong signal. So, there is a difference between two identical handsets connected to the same base unit. This indicates to me that one handset is better tuned than the other. Nothing I can do about that but get a new 2nd extension cordless handset. Sometimes, it's just luck of the draw

Does the Phone Power Up?
1. When you pick up your GE cordless phone and press a button, the phone should beep as a confirmation that a button has been pressed. If the telephone handset does not beep, or if it does not respond to any buttons, the battery may be in need of a recharge. Verify that the cordless phone base unit is plugged in to an electrical source, then place the handset into the charging cradle. If no lights illuminate on the phone, or if charging fails to correct the issue, clean the metal charging contacts on the cordless handset and place the phone back on the charger. If it still fails to respond or to charge, the unit may need to be serviced or replaced.
Does the Battery Hold a Charge?
2. If the cordless phone charges up and appears to be ready for use but dies after only short periods of use, the internal rechargeable batteries may need to be replaced. Replacement batteries are widely available at electronics and discount retail stores. Note your phone's exact model number, as this number will be necessary when purchasing a replacement battery.
Listen for a Dial Tone
3. If the GE cordless phone powers on, and beeps when you press keys, but no dial tone is heard, one of three problems is the likely culprit. The phone's batteries may have an insufficient charge to fully power the phone, a condition that can be corrected by simply placing the phone back in the charger. If the batteries are charged, but no dial tone is heard, it is also possible that another telephone in your home or office is "off hook" or in use; verify that all telephones, fax machines and modems are securely on the hook. If there is still no dial tone, your telephone service may have been disconnected or require service by your local telephone company.
Listen for Static
4. On some GE cordless phone models, particularly older models, static may be heard if the radio signal between the handset and base unit experiences interference. Common sources of interference include unshielded electronics, appliances, and radio transmitters, as well as high-tension power lines. If your phone offers an option to change channels, try several different channels to see if the static is eliminated. If static continues to exist, or if static can be heard on wired phones sharing the same line, your telephone line may require service.
Verify Your Handset is Registered
5. Some models of GE cordless phones may display a message on the display screen that the handset needs to be registered. If this message appears, move the handset close to the base unit and press the "Prog/Mute" button near the bottom of the handset. Next, press the "Pager" button on the base unit (your handset may instruct you to perform this step). Finally, press the "Prog/Mute" button on the handset one more time to complete the registration process. Your GE cordless phone should now work correctly.The GE Cordless Phone brand is designed to deliver the conveniences of cordless home service with quality sound and features. There are many models of the GE Cordless Phone. The most current models, including the DECT 6.0, have standard features such as call waiting, caller ID, visual ring indicator, phone number memory and digital answering systems .
   
6. Before you use your GE Cordless Phone, ensure that you have all the parts. Your cordless phone package should include the phone base, a handset battery pack, a battery compartment cover, the cordless handset, a wall mount bracket, and a telephone line cord and AC power adaptor. Once you have confirmed that you have all of your parts, insert the handset battery pack into the handset and replace the battery compartment cover. Insert your telephone line cord and the AC power adapter into the phone base. The phone base identifies the telephone line as TEL LINE and the adapter as AC. Plug the phone base into the electrical socket. Place the cordless handset into the base. Allow the phone to charge for at least 16 hours before its first use. Failure to fully charge the battery before its first use will result in poor battery performance.
7. Once you have fully charged your phone, you can proceed with setting up your phone's features. If your cordless phone includes an answering system, complete this setup process first. Turn on the answering system by pressing the on/off button. The message indicator light will display. The cordless phones are defaulted to English as the selected language. To change your language preference, press the "Skip" button for two seconds. The language will change to Spanish. Next, you will set up your voice time and day stamp. While the answering system is on, press the "Answer" button on your handset for two seconds. The phone will enter the answerer mode. Press the "8" key. This will take you to the time/day setup menu. Use the number keys to set the hour and minutes. Use the volume up and down arrows to set the AM/PM. Press "#" to save. The cordless handset will also require that you give it a name. Press the "Mute" button for two seconds until the handset reads "ENTER NAME." Enter the name of the handset by using the touchtone keypad. Press the "Mute" button to save. Enter the default area code by pressing "Mute" until the phone displays "AREA CODE." Enter your three-digit area code and press the "Mute" button to save.
8. GE Cordless Phones are designed to be simple and convenient to use. To place or answer a call, press the TALK button. You can pre-dial a number by dialing the number before pressing the TALK button. When you are ready to make the call, press TALK and the phone will dial automatically. To answer a call that is waiting on the other line, press the FLASH button. If you experience call interference or bad reception while on a call, press the CHANNEL button until your line clears
9. 
   

The GE Cordless Phone brand is designed to deliver the conveniences of cordless home service with quality sound and features. There are many models of the GE Cordless Phone. The most current models, including the DECT 6.0, have standard features such as call waiting, caller ID, visual ring indicator, phone number memory and digital answering systems.

Before You Start
1. Before you use your GE Cordless Phone, ensure that you have all the parts. Your cordless phone package should include the phone base, a handset battery pack, a battery compartment cover, the cordless handset, a wall mount bracket, and a telephone line cord and AC power adaptor. Once you have confirmed that you have all of your parts, insert the handset battery pack into the handset and replace the battery compartment cover. Insert your telephone line cord and the AC power adapter into the phone base. The phone base identifies the telephone line as TEL LINE and the adapter as AC. Plug the phone base into the electrical socket. Place the cordless handset into the base. Allow the phone to charge for at least 16 hours before its first use. Failure to fully charge the battery before its first use will result in poor battery performance.
Phone Setup
2. Once you have fully charged your phone, you can proceed with setting up your phone's features. If your cordless phone includes an answering system, complete this setup process first. Turn on the answering system by pressing the on/off button. The message indicator light will display. The cordless phones are defaulted to English as the selected language. To change your language preference, press the "Skip" button for two seconds. The language will change to Spanish. Next, you will set up your voice time and day stamp. While the answering system is on, press the "Answer" button on your handset for two seconds. The phone will enter the answerer mode. Press the "8" key. This will take you to the time/day setup menu. Use the number keys to set the hour and minutes. Use the volume up and down arrows to set the AM/PM. Press "#" to save. The cordless handset will also require that you give it a name. Press the "Mute" button for two seconds until the handset reads "ENTER NAME." Enter the name of the handset by using the touchtone keypad. Press the "Mute" button to save. Enter the default area code by pressing "Mute" until the phone displays "AREA CODE." Enter your three-digit area code and press the "Mute" button to save.
The Basics
3. GE Cordless Phones are designed to be simple and convenient to use. To place or answer a call, press the TALK button. You can pre-dial a number by dialing the number before pressing the TALK button. When you are ready to make the call, press TALK and the phone will dial automatically. To answer a call that is waiting on the other line, press the FLASH button. If you experience call interference or bad reception while on a call, press the CHANNEL button until your line clears.

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here are some tips from my manual for out of range problems
hope they help
• Only one handset can be used to make or answer a call anytime.
If another handset attempt to do so, the screen will display OTHER
HANDSET ON and then OR OUT OF RANGE. You might press PHONE
or SPEAKER again until no other handset is using the line. Use the call
transfer feature to transfer a call to another system handset
or use the speakerphone feature so multiple members of your
house can be on an active call at the same time.
• Move the cordless handset closer to the base. You might have moved
out of range.
• Ensure that the base is powered up.
• Place the cordless handset in base cradle for 1 minute to allow the
cordless handset and base to resynchronize channels.
• If the cordless handset is in its base and the charging light does not
come on, refer to the charge light is off in troubleshooting guide.
• Reset the base. Unplug the unit’s electrical power. Wait for 15 seconds
then plug it back in. Allow up to one minute for the cordless handset
and base to reset.
• Other electronic products can cause interference with your cordless
phone. Try installing your phone as far away from these types of elec
tronic devices as possible: wireless routers, radios, radio towers, page
towers, cell phones, intercoms, room monitors, televisions, personal
computers, kitchen appliances and cordless phones.

This is possibly caused by the internet connection.
Try new ADSL filter.
You need one each per device.