Top 20 ZTE WP623 Wireless GSM Big Button Corded Desktop Telephone Questions & Answers


Here's some suggestions from the Vtech site:

If the battery(s) has been in service for more than one year....
As a rechargeable battery gets older, its ability to hold a charge decreases. If your battery has been in service for more than twelve months, it may be a good idea to replace it.

If you are replacing the battery and you need assistance, visit our Battery Finder link. If a battery for your model is unavailable, you can search the Internet using the key words cordless phone batteries for an on-line supplier. If you prefer to purchase locally, you can look for a replacement battery at your area consumer electronics retailers. It is recommended that you take your present battery with you to insure your replacement is the correct size and has the correct plug (where applicable) and specifications (for example - 3.6v 400mAh Ni-Cd). Caution when replacing batteries
If your model takes individual cells, do not use non-rechargeable batteries. Use only the recommended rechargeable batteries as prescribed in your User's Manual.

If the battery(s) has been in service for less than one year....
If the handset shows any sign of life (any lights; characters on the display screen; sounds when keys are pressed), your handset is not dead, making it unlikely that a new battery will fix the problem. Consider the following:

Is the base unit getting power?
If your base unit is not getting power, your handset is not charging. Tip: Do not plug your Base Power Adaptor into an electrical outlet controlled by a switch (for example, a light switch on the wall or a power strip with an On/Off switch).

If your battery pack is the plug-in type, is it securely plugged into the handset?
Disconnect, and then reconnect the battery plug to ensure a good connection. In addition, make sure the battery cover is on securely.

Do you see any charge indicators on the base or handset?
Depending on your model, the handset and/or base will have indicators to let you know when the battery is charging. Check your User's Manual for details.

Remember, if the handset shows any sign of life (any lights; characters on the display screen; sounds when keys are pressed), then is not dead, making it unlikely that a new battery will fix the problem. Try the following reset procedure:

Reset your Phone
If your telephone is not operating normally, disconnect the battery(s) from the handset and disconnect power from the base. After a few minutes, connect power to the base, install the battery(s) and cradle the handset in the base to allow it to establish a link. You can now try using your phone again.

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Telemarketers can spoof caller id systems to remain anonymous.

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With my Moto-G I press the volume button then tap the top icon till it shows a bell. Pressing both buttons together can also toggle sound on/off.

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ManualsLib has the manual for the Panasonic KX-TG8421E digital cordless answering system here: https://www.manualslib.com/manual/650444/Panasonic-Kx-Tg8421e.html . You will need to solve a Captcha if you want the manual as a PDF. The manual as a PDF is also available here: http://www.telephonesuk.co.uk/user_guides/DECT_Phones/KX-TG8421E_User_Guide_PNQX1708ZA.pdf .

I hope this helps. Note: the last digit indicates the number of handsets in the package. The E indicates where the phone system was sold.

Cindy Wells

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Maybe your phone is not working or is broken then

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I might be broken then and has stopped working

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There is no user replaceable battery in the AT&T 1725 answering system. If the unit is disconnected from power, it will hold the announcement and messages that are recorded on the digital memory. However, it will lose the current time (you'll see the CL code) and could loose the current Remote Access code. If you wish to avoid resetting the time after short power outages, you should invest in an uninterruptable power supply (UPS).

This is from the manual available at ManualsLib: https://www.manualslib.com/manual/10390/AtAndt-1725.html .

I hope this helps.

Cindy Wells

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Hi John - Going to need a lot more information to help. Is this a cordless home phone, a cellphone, or is the voicemail hosted by your landline Telco / VOIP provider? For a cellphone or provider-hosted voicemail, you call a specific shortcut # number to access your options, then walk through the options. Can you please add details in the comment box?

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of what ?

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  1. To display the caller's identity on your phone's call screen, dial *234#.
  2. To check whether your phone is set to display the caller's identity, dial *#234#.
  3. To hide the caller's identity on your phone's call screen, dial #234#.

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This means there is no phone line connection!
connect the phone to the phone line or contact your phone provider.

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To display the caller's identity on your phone's call screen, dial *234#. To check whether your phone is set to display the caller's identity, dial *#234#.
https://btbusiness.custhelp.com/app/answers/detail/a_id/9313/~/how-to-display-and-switch-off-caller-id/c/5089/

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https://www.manualscat.com/en/silvercrest-cocoon-8410-manual

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