Question about Uniden TRU8885-2 Cordless Phone

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How to clear all registrations from the base

I was experimenting by deregistering and registering my 3 handsets by using the END + # key combination. After the maximum of 10 handsets registrations was reached, the base will not register any additional handset. All my 3 handsets are deregistered now and I can't register any one of them. My question is: How can I delete all the 10 registered handsets from the base so that I can start registering anew?
My Uniden model is TRU8885.
Thanks for any help you can give me.

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One has to completely deregister all handset by pressing end and # keys together till complete de registration is shown on handset screen. if the de registration is not done as above stated method the hand set will not register will show connecting on hand set screen.

Posted on Nov 07, 2008

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You have to deregister all of the handsets and start over (as far as I can tell). Here's how to do it:

  • Unplug both the power and the phone line from the base.
  • Hold down the "delete message button while plugging the power back in
  • When you hear a long beep, all of the handsets are deregistered (not the short beep that just indicates the base station is powering up)
  • Reregister the handsets

Posted on Jul 21, 2008

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1 Answer

There is a message "Searching" on the phone, How do I get it back to working.


You might try to de-register the handset and re-register
it to the base. Be sure the handset's battery is well
charged, a weak battery can impede the registration.

( I ) To de-register the errant handset:

1. Press and hold the [END] and [ # ] keys at the same time until the screen displays
"System Reset, Deregister Handset"
2. press [select]
3. scroll to "Base Unavailable"
4. press [select]
5. display says "Not Registered"

( II ) To register the handset to the base:

1. open the base display's [menu]
2. scroll to "Register Accy."
3. press [select]
4. on the handset, press and hold [ # ] until
the handset display says "Registering"
5. In ~30 seconds, handset display will say
"Registration Complete" or
"Registration Failed".

This is described on page 22 of the manual.
A free copy of the User's Manual can be obtained
at www.manualslib.com .

Good luck!
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DECT 6.0 cordless. Why won't it register the handset when placed on the base?


This could be several things.... the simplest is that a weak
handset battery can interfere with registration. Or,
does the handset display say "Connecting..." or
"Searching...." or "Out of Range / no power at base ..." ??

In these cases the handset is registered to another base and
must be de-registered before it can be registered again.

To deregister the handset:

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..." and it should be ready to
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Good luck!

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1 Answer

HandsetS #2 and #3 work properly. Handset #1 has a display screen with correct datet and time -- but no dial tone, How can I fix this?


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!
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1 Answer

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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!
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1 Answer

I have uniden cordless phone model dxa15588-2, how do I register handset on base?


1-Press the hangup key (represented by a red phone) and the "#" key at the same time for at least five seconds.
2-Select "Deregister hs." Choose the handset and press the "Select" key (which also shows an envelope for messages).
3- Choose "Yes" to confirm deregistration. The phone clears its registration information from the base and deletes the link from its memory. The message "Handset not registered -- place handset on base to register. See owner's manual for help" now shows on the display. If you are out of range of the base, "Out of range" shows.
4-Place the handset in the base charging cradle. The phone automatically selects a new security code from those stored in the base.
5-Make sure your phone is working again after "Registration Complete" shows on the display
Hope this will Help. Thank you for using Fixya !!!

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2 Answers

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The "END" and "#" key combination can be used for several purposes:

1) If wanting to use an ALREADY REGISTERED HANDSET on an alternate base, and if if the INITIAL BASE isn't available to deregister the handset:

1a) Press "END" + "#" until it for 5+ seconds (wait for it to beep)
1b) Choose the "Base Unavailable" option
1c) That'll deregister the CURRENT HANDSET so that it can be re-registered on ANY base.

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2a) Grab another WORKING handset which is properly REGISTERED to the BASE in question
2b) Press and hold the "END" + "#" key for 5+ seconds (wait for it to beep)
2c) Choose the "Deregister HS" menu option
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Same manual as lethean provided on a similar post but Page 24 if the previously used Base is Unavailable and your phone shows "Deregistration" in the Menu.

Base Unavailable (Handset Only)
To clear the base registration data in the handset, please follow these steps:
Press and hold [] and [#] for more than 5 seconds. Select the BASE UNAVAILABLE submenu.
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1 Answer

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OU might need to deregister the hand set first by holding down the red end (hang up key) and keep it down while holding the # key. If deregister wont work use base unavailable and yes, you are sure twice.

List the handset numbers of those working handsets
Using a WORKING handset follow these directions
Resetting Handsets
If you want to register the handset to a different base or
replace a handset with another one, you must first clear the
registration information from the base and the handset.
1. Press and hold [ ] and [#] for
at least 5 seconds, until the
SYSTEM RESET menu
appears.
2. Select the DEREGISTER HS
submenu. WHICH HANDSET?
appears in the display.
3. Move the cursor to select the handset ID to be de-registered
from the list, and then press the OK soft key. DEREGISTER HS
appears. CHOSE A NUMBER THAT IS NOT ONE OF YOUR WORKING HANDSETS
4. Move the cursor to select YES, and then press the OK soft key.
When ARE YOU SURE? appears, select YES. You will hear a
confirmation tone.
PUT THE HANDSET IN THE BASE CHARGER AND IT SHOULD REGISTER

Hope This Helps - It worked for me

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2 Answers

Resetting the Handset


YOU might need to deregister the hand set first by holding down the red end (hang up key) and keep it down while holding the # key. If deregister wont work use base unavailable and yes, you are sure twice.

List the handset numbers of those working handsets
Using a WORKING handset follow these directions
Resetting Handsets
If you want to register the handset to a different base or
replace a handset with another one, you must first clear the
registration information from the base and the handset.
1. Press and hold [ ] and [#] for
at least 5 seconds, until the
SYSTEM RESET menu
appears.
2. Select the DEREGISTER HS
submenu. WHICH HANDSET?
appears in the display.
3. Move the cursor to select the handset ID to be de-registered
from the list, and then press the OK soft key. DEREGISTER HS
appears. CHOSE A NUMBER THAT IS NOT ONE OF YOUR WORKING HANDSETS
4. Move the cursor to select YES, and then press the OK soft key.
When ARE YOU SURE? appears, select YES. You will hear a
confirmation tone.
PUT THE HANDSET IN THE BASE CHARGER AND IT SHOULD REGISTER

Hope This Helps - It worked for me

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