Phone is asking to 'Enter Base ID'. Where is base

• Your telephone can accommodate up to four cordless handsets. You can add new handsets (Model E560-2, sold separately) at any time, but each must be registered with the base before use.
• The handset provided with your telephone is automatically registered as Handset 1.
• Additional handsets will be assigned numbers in the order they are registered (2, 3 or 4). You can register a maximum of four handsets.

To de-register all handsets
• Unplug the power supply from the base unit.
• Remove all handsets from the charge cradles and base.
• Plug in the power supply while pressing and holding the HANDSET LOCATOR button.
• Continue pressing HANDSET LOCATOR until the IN USE and CHARGING indicators are lit (this could take up to 10 seconds).
• Release the HANDSET LOCATOR button.
• All handsets will display: ENTER BASE ID: XXXXXXXXXX
Once the base indicators turn off (up to 30 seconds), the handsets have been de-registered from the base, and can now be re-registered.

To re-register a handset:
• Make sure your handset batteries are properly installed and charged.
• Your handset will display "ENTER BASE ID".
• Enter the 15-digit Base ID number from the bottom of the base unit.
• Press SELECT to accept the new code and complete re-registration.

To re-register a handset to a new base unit:
• Make sure your handset batteries are properly installed and charged.
• Unplug the old base unit. Your handset will display "SEARCHING...".
• Install the new base unit by plugging it into an electrical outlet and phone jack.
• Press and hold the SELECT key until the handset displays "ENTER BASE ID".
• Enter the new 15-digit Base ID number from the bottom of the new base unit.
• Press SELECT to accept the new code and complete re-registration. The handset is now registered to the new base.

I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

may be the frequency problem for noise problem.
pleaSE CHECK IT OUT.
ADJUST THEM AT SOME PROPER LEVEL..
AND THEN TRY.

To register a handset to your telephone base
Make sure the handset battery is installed and charged properly. You have to enter a 15-digit telephone base ID to register the handset to the telephone base.

To find the telephone base ID and register the handset:

1. On the telephone base, press the MENU softkey when in idle mode to enter the feature menu. Press the or softkey to scroll to the DISPLAY BASE-ID menu, then press the OK softkey. The telephone base ID will be displayed.

2. On the handset, use the keypad buttons to enter the telephone base ID and press the OK softkey.
Press the softkey to move the cursor.

3. The handset will first display PLEASE WAIT!!, then T23 PD followed by SEARCHING FOR BASE. The screen will finally display HANDSET X when the registration is successful.
NOTES:

1. If the registration is not successful, the display will show NO BASE SUBSCRIPTION. Try the registration process again.

2. If an incorrect base ID is entered, the base ID will disappear and ENTER BASE ID will be displayed.

In case of a problem or clarification or my solution was insufficient, don't hesitate to post me a reply.

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The process is called "Registering."

From another fixya post:

1. Make sure to charge the handset battery pack at least 12 hours.
2. Using the soft keys on the base located below the base screen, press MENU.
3. Use the up or down arrow keys to select DISPLAY BASE ID.
4. Press OK. The base screen will display the 15-digit Base ID
code for about 30 seconds, then the unit returns to the idle
screen. Write down the Base ID code on a piece of paper.
5. At the cordless handset, use the soft key to select NEW.
6. Enter the 15-digit Base ID code using the number keypad.
7. Use the soft key to select OK. The screen displays PLEASE
WAIT!.
8. After about 45 seconds, the screen displays FOUND BASE. If the handset displays BASE BUSY TRY LATER, the base is in
use.

Below the LED display of the BASE phone, press MENU. Scroll down to DISPLAY BASE-ID and press OK. Enter that 15 digit number into the handset.

For KXTG1000 only

The base unit must be connected to the AC adapter and the power must be on

Press the following sequence of buttons on the base unit: * * 3 3 5 7 8 2

When the display reads "Enter Base ID", deregistration has been completed successfully

For KXTG1050 only

Disconnect the AC adapter

Hold the Locator button down while you plug in the AC adapter

When the Power light flashes, release the Locator button

Immediately press and hold the Locator button again, and release when the In Use light flashes

The Charge light should flash for 4 to 6 seconds and then turn off

When the Charge light stops flashing, press Locator again

In about 20 seconds, the handsets will deregister. When the displays read "Enter Base ID", deregistration has been completed successfully.

Place the handset on the base station for 10 seconds or so and it should re connect it. But if not you can look for the Base ID # on a tag under the base and enter it manually when prompted.

SORRY TO BE REDUNDANT BUT DID YOU HAVE PHONE IN STAND BY AND NEAR BASE.
THEN PRESS PGM
THEN INTERCOM
THE SCREEN SHOULD SAY ENTER SYSTEM ID
ENTER THE 10 DIGITS SYSTEM ID ( THIS NUMBER IS ON A STICKER ON THE BOTTOM OF THE BASE PHONE)
THEN PRESS PGM.
MAKE SURE YOU ARE PUTTING THE CORRECT ID NUMBER IN THE PHONE
I HOPE THIS HELPS

24Ghz Vtech phones cant find base

ya u need to contact v-tech vendor not vonage and gave them the serial no of ur handsets and get teh base id and try that will work