Cannot register an AT&T 5632-2 pair of handsets

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You can deregister all of the handsets and then register each one again for the LS6475-3. Make sure that all of the handsets are out of the base and all chargers and that the phone and all handsets are in standby. Then press and hold Find Handset on the base. When the In Use light begins to blink, release the Find Handset button. During the seven seconds that the In Use light is blinking, press and release the Find Handset button. Wait for the deregistration process to complete (about 10 seconds).

If the process fails, you may need to reset the base. You can do this by unplugging the AC power cord to the base or by picking up a registered handset and pressing Talk/Flash. Then you can try again. These directions are on page 5 (page 8 of the PDF) of the manual for the LS6405 handset. The direct link to this manual is https://cdn-media.vtechphones.com/media/p/document2/products/%7BD6DAD9B0-4C1A-4882-93D9-04124A59B629%7D/LS6405_CIB_V5_20160805.pdf . Then check that all of the handsets are in standby and not on any charger before attempting to deregister the handsets again.

You can register 12 handsets to the LS6475 base, according to page 31 of that manual for the main unit: https://cdn-media.vtechphones.com/media/p/document2/products/%7BA37C95FC-053D-4D34-B60A-EA5ED42B056C%7D/LS6475-3_UM_4_925.pdf . If you use the cordless headsets, you can register 10 handsets and 2 headsets.

These manuals can be found through the product page: https://www.vtechphones.com/pd/1603/LS6475-3-2-Handset-Answering-System-with-Cordless-Headset . The base manual is in the section under the Support & Manuals tab. The handset manual can be found from the Accessories tab. Then click on the Support & Manuals tab after clicking the link for the Handset.

I hope this helps.

Cindy Wells

Registering a Handset

If you see a "not registered" message on a handset, you must register it to a base before using it.

1. On the base, open the menu and select "Register Handset"

2. On the handset, press and hold POUND (#) until the handset display says "Handset Registering" (about 2 seconds).

3. Wait until the handset display says "Registration Complete" (about 30 seconds), then pick up the handset and press eND/CleaR.

# If you don't hear a dial tone or the display says "Registration Failed" charge the battery completely, then try again.

This sounds like a registration problem, the handset(s)
and the base have lost identification with each other.

I. To address this, first de-register the handset(s) ---
do this procedure for each handset:

0. Start by taking off the battery compartment cover....

1. press [menu]
2. scroll up/down to "Settings"
3. enter * 7 8 9 0 #
4. scroll down to "next page", press [select]
5. scroll down to "Register Clear?", press [select]
6. display asks "Confirm?" or "Register Clear??", press [select]
7. display reads "Ok" and chirps, press [ off ]

8. UNPLUG THE HANDSET BATTERY (why the cover was off)

9. Wait ~30 seconds, re-connect the battery & replace the cover

10. display reads "Not Registered" ===============================

II. To register the handset to the base:

1. press [Find Handset] on the base and hold for
~4 sec until the "In Use" lamp lights.
2. press # on the handset and set the handset into
the handset cradle on the base
3. within 30 seconds or so, the handset will either
chirp and display "Handset Registered", then
"Handset #1" or it will say "Registration Failed".

NOTE: the battery must be well charged prior to the
registration process, a weak battery may cause a
"Registration Failed". Charge the battery for a few
hours and try the registration ( II ) again.

NOTE: the base can only handle 5 handsets and will
increment the number of each handset registered
until "Handset #5" has appeared, even if some of
the handsets are lost/not in use. Trying to register
more than 5 handsets will result in "Registration Failed."
===============================

III. To clear the base of all handset registrations and
be able to start registering again at Handset #1:

1. press [Find Handset] on the base and hold past ~4 sec when the "In Use" lamp lights, at
about 10 secs the "In Use" lamp will begin to
blink.
2. release the [Find Handset] button momentarily,
then briefly press it again. After a moment,
all handsets that were registered to the base
(if any) will display "Not Registered" and be
ready for fresh registration
3. for multiple handsets, return to II. above and
register each handset in turn.
===============================
Good luck !!

Compatibility is doubtful: I just tried to register a
D1680 handset to a D1580 base and it failed.
Both the handset & base are "known good" but
they will not pair together.

It does not hurt to try, be sure your handset is
de-registered (hold the [END] and [ # ] keys
at the same time until the screen displays the
deregister instructions) and the battery well
charged.

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

The handset cannot communicate with its base.

When the handset cannot establish its secure (encrypted) radio
link with the base it is 'paired with' or 'registered' to, it will first
say "Connecting....", then it will display "Out of Range or No
Power at Base", then it settles at the infamous "Searching..."
display.

Although rare, the registration between base and handset can
become corrupted and lost so that we must de-register and
then re-register the pair.

First, ensure that power is 'on' at the base (a more common cause)
and the cradle will charge the handset, etc.

Second, be sure the handset battery is well charged as a weak battery will interfere with the registration process.

Then try the following ( 'works for the D1680, D1481, and 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,
after ~30 seconds the handset should display
"Handset #" and be good to go...
or it will display "Registration Failed"

Good luck!
--

When a handset is reading "Searching", it can't communicate with the base. First, check if the base station is plugged into a live outlet. (Try plugging the base into a different outlet or making sure that the circuit breaker hasn't popped. I had a cordless phone base plugged into a UPS. During an extended power outage, the UPS was turned off. The phone didn't work until someone noticed and turned the UPS back on.) Move closer to the base station.

If this was an extra handset purchased later, make sure it is compatible with the base station. The Uniden DWX207 works with the DECT1500, DECT2000 and DECT3000 series bases. Register the handset with the base. The registration procedure depends on the base station. If the base unit has an LCD screen, with the phone in standby, press Menu/Select and press the down arrow to reach "Register Handset". Then press Menu Select again. (If the base doesn't have an LCD screen, unplug the power cord. Then hold the Find HS or Find button as you reconnect the power cord until the Charge/In Use light starts to blink.) Then press the # key on the handset before the registration period ends.

Make sure that you haven't exceeded the number of handsets for your base. You may need to de-register all handsets and then re-register them.

If no handsets will pair with the base, replace the base unit. The transmitter or the receiver aren't communicating properly with the handsets.

I hope this helps.

Cindy Wells

Here is a direct link to the User's Manual for your phone:

http://vt.vtp-media.com/ecp/documents/product_Product/1624/UserManual/5352/cs6114_manual_i6.pdf


To view the Owner's Manual with Operating Instructions just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information at the website indicated and the contents of the Owner's Manual.

You may need ADOBE READER installed on your computer to read PDF documents.
You can download this free at WWW.ADOBE.COM if necessary.
Click on the DOWNLOAD ADOBE READER button on right side of the ADOBE home page when you get there, then follow the onscreen instructions to install the software on your computer.

See page 26 of the manual for detailed instructions on HOW TO REGISTER THE HANDSET TO THE BASE.

Basically, the manual reads as follows:

Not registered appears on the handset and it does not work at all.

The handset may be deregistered from the telephone base.
Follow the steps below to register the handset to the telephone base.

1. Remove the handset from the telephone base.

2. Press and hold FIND HANDSET button on the telephone base for about four seconds until the red IN USE light turns on.

3. Then press # (pound key) on the handset.

It displays Registering... and it takes about 60 seconds to complete the registration.
The handset displays Registered for a few seconds and you hear a confirmation tone when the registration process completes.


I hope that was helpful to you, good luck and take care.

Joe.

• 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

I recommend that you unplug the other unit and then register each phone separetly. While trying to register one phone make sure the other is un plugged.