Question about Office Depot Ativa D5772 Phone

1 Answer

Handset can't find base.

Tried to register handset, but I keep getting code T23 PD after I punch in base ID. Then it says "searching for base.'' This handset was working fine for the first week.

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  • Drubin Jan 02, 2008

    same problem- AT&T wireless 2 line phone system 5.8 GHz

    one handset gives message "T23 PD" occasionally. Doesn't occur with any of the other phones in the house

    I'm sure it's not worth replacing the whole system (nor can I at this point- we've been using them all for more than 6 months).

    Is it a battery/power failure issue??

    any suggestions?

  • Anonymous Feb 13, 2008

    ativa phones all say searching



1 Answer

I just got a 3rd handset for the same phone system and were having the same error message,,, the at&t help line does not know what it is,.,. We returned it once and got another one because of the same problems, and were still having it.. AT & T help line said to return it again and try another one .. then he actually said to replace the whole phone system .. thats easier said than done! we paid 199 plus tax on the system and then another 81.00 for the third handset!

Posted on Jan 02, 2008


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I am trying to replace a handeset on my E5640 answering system. I have followed the procedures to deregister the existing handsets but it will not accept the base code for the last one. The handset I am...

  • 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.

Jun 25, 2011 | AT&T E5640 Phone

1 Answer

I put new batteries in my At&T cordless phones and I am getting a message on phone screen T23 PD

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.

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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Jun 09, 2011 | Cell Phones

1 Answer

I have a unden dcx150 and i tried to register a handset accssory but keeps coming uoregistration failed

Re-Register a Handset to the Base
1. Remove Handset Battery.
2. Reconnect battery while holding down "*" and "#" key.
3. Then press the right upper key under the LCD.
4. Press the "End" key.
5. Wait a few seconds and then the phone will be ready to register to the base.

Mar 24, 2011 | Uniden DECT 6.0 Cordless Phone ID

1 Answer

Setting up my outgoing message: just purchased Uniden cordless DECT 1580. Manual says select command 8. How do I find Command 8? thanks, joan


please follow the instruction to register the handset to base

To register a DCX150 accessory handset:
1. Charge the handset completely.
2.Place the handset in the base cradle for about thirty seconds. Handset Registering will appear in the LCD.
3.When the handset has registered to the base, the LCD will display Registration complete then show the handset ID number.

If the display shows Registration failed, repeat the process again.

To register a DCX200 or DCX300 accessory handset:

1.Charge the handset completely.
2.Disconnect the base AC adapter. Then press and hold find while you reconnect the adapter. Keep holding find until the charge LED starts to blink.
3.On the handset, press and hold # until the handset beeps and displays Handset Registering.
4.When the handset has registered to the base, the LCD will display Registration complete then show the handset
ID number.

If the display shows Registration failed, repeat the process again.


Jul 21, 2010 | Uniden Cordless Phone

1 Answer

Can you tell me how to fix this T23 PD error message on a handset for the AT&T EP 5962 2-line phone?

Well this worked for me so hopefully it will work for everyone else also... I had dropped my handset and the battery popped out.. well upon reinserting the battery i got the T23 PD Blinking error on my phone, well after trying multiple things from what the manual was stating I eventualy gave up and unplugged the handset from the wall... well we received a call in our office and all of a sudden my "unplugged" phone, that was still sitting in the handset charger began to ring and all the normal numbers and name were on the face of the handset... I then plugged the phone back in and went into the menu to Register, then entered the Base ID which is found at your Base Phone. Once this was complete it said please wait.. although for a short while it kept on saying System Busy if you tried to hit line 1 or 2 but by the next morning it is working fine! :) Hope this helps for you also.

Jun 15, 2010 | AT&T EP5962 Phone

1 Answer

I need the base id for a vtech house phone model number 6772

It sounds like you are trying to register the handset(s) to the base. Once the handset is charged, if you see 'Searching for Base' on the display,(The bold is for your question specifically but I thought you may like all of the information for getting a phone hooked up) ON the Base unit press MENU, scroll down to Display Base ID, press OK, and the Base ID code will display. If NEW appears in your handset display, press the soft key under it and enter the base ID code you found in the base display. If 'New' does not appear on your handset, press MENU and then scroll down to REGISTER. Press OK and then enter the base ID code. If the handset is already registered, please deregister all then register again. To deregister a handset which is registered to the base model 20-2431, Using the soft keys on the base, press the 'MENU', then press the down arrow once until 'SETUP BASE' is highlighted. Press 'OK'. Press the down arrow 6 times, until 'DEREGISTER ALL' is highlighted. Press 'SET' . If your handset is registered to the base model 20-2481, Using the soft keys on the base, press the 'MENU', then press the down arrow twice until 'SETUP BASE' is highlighted. Press 'OK'. Press the down arrow 7 times, until 'DEREGISTER ALL' is highlighted. Press 'SET'.


Jul 11, 2009 | Lands Phones

2 Answers


My E2562 handset 1 would not detect base and displayed D51A PD whenever I tried to manually register it. This fixed it:
1. Remove battery from handset.
2. Unplug base and unplug phone connection(s). Wait 30 seconds.
3. Plug in base.
4. Plug in phone connection(s) to base.
5. Put battery back in handset. Handset 1 should then auto register with base.

Mar 15, 2009 | AT&T 2230 Cordless Phone

1 Answer

Can put in base id

Did you try this (from the i5801 manual) -

To register a handset to the base, follow these steps:

Step 1: If ENTER BASE ID is displayed on the handset, proceed to the next step; if not, press MENU on the handset, then press ▼ until REGISTER is highlighted; now press OK.

Step 2: Locate the 15-digit Base ID number by pressing, at the base: MENU, then press until DISPLAY BASE-ID is highlighted, then press OK.

Step 3: Carefully enter this number using the handset dialpad. If you make a mistake, press to backspace. When finished, press OK.

In a few moments, the handset will be assigned a number (1-6). This will be the lowest available number in the sequence not previously assigned to another system handset.

Step 4: Repeat the procedure for any other unregistered system handsets.

Reply back if you have success. The Base ID is not from the bottom of the base unit, but is something you get by following Step 2 above.

Feb 04, 2009 | Vtech i5807 (735078006394) Cordless...

2 Answers

Cordless phones display searching for base.

Same problem: registering base ID on cordless get T23 PD error and subsequently, Searching for Base

Jan 09, 2009 | AT&T EP5962 Phone

1 Answer

I just got this phone VTech 5881. I plugged it in and have tried to register the handset. I can't. It has someone else's name in it. what should I do?

First, deregister all handsets:

Step 1: At the base, press MENU, scroll to BASE SETTINGS, then press OK.

Step 2: Using the base dialpad, enter * * 3 3 5 7 8 2

Step 3: Re-register each system handset:

At the base, press MENU, scroll to DISPLAY BASE-ID, then press OK. The 15-digit base ID number will be displayed.

Step 4: Using the handset dialpad, enter the base ID number. Repeat the registration procedure for each system handset. Each handset is assigned a number in the order of registration

Dec 13, 2008 | Lands Phones

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