Frequently asked questions (FAQs)
Welcome to the AT&T product support center. To get started: select a product category from the left, or enter your model number below to go straight to support and troubleshooting for that product.
Frequently asked questions
- What are the differences between the Build-in answering system in my telephone and the Voicemail service from the telephone service provider? How to choose between them?
- I am using my VoIP box to set up my wireless home phone and other network devices. All devices work normally except my phone, which has no dial tone/ displays Line in Use with busy tone/ poor sound quality. What should I do?
- The handset displays UNABLE TO CALL TRY AGAIN. Why can’t I place a call?
- Why won’t the CHARGE light turn on when I place the handset in the base?
- Why do calls fade/cut in and out when I’m using this phone?
- My handset displays either LOAD DELTA FILE or LOAD DEFAULT DELTA FILE. What should I do?
- Why is WARNING CHECK BATTERY! shown on the handset display when I put it in the base?
- Why won’t the battery(s) in my telephone handset hold a charge?
- The battery icon on the handset screen goes away when I take the handset out of its charger. Is there a problem with my phone?
- Why won’t my Answering System record any messages?
- Why does the answering system say Time and Day not set before playing messages?
- Why does my answering system not answer the call?
- Why can’t I play my messages?
- When I enter names in my directory, how do I move the cursor forward or backward? And how do I insert a space between words?
- How do I register a new accessory handset to the base?
- Why am I not receiving caller ID on my phone?
- How can I improve the sound quality on my cordless phone?
- CONNECTING... is shown in the handset display window. Why don’t I get a dial tone when I try to use this phone?
- Why does it say NO LINE on my handset display?
Or view basic troubleshooting tips:
- My caller ID announce (voice announce CID) isn’t easy to understand at times.
- My telephone product is suddenly acting strange or stopped working altogether. What can I do?
- Who is Charlie Johnson and why is his name displayed on my phone?
- My answering system plays my greeting to callers but will not record messages. Why?
- I subscribe to a non-traditional telephone service (for example: magicJack, Skype or Windows Live Call), and my phone is not working correctly.
- My battery pack does not last very long between charges. I am charging the handset more frequently. What should I do?
- I want to dial a phone number found in my Caller ID log, but the number is not displayed correctly. What can I do?
- Why am I not receiving Caller ID?
- Why won’t my answering system record messages?
- How can I reduce static and noise on my phone?
Or view our service and order support tips:
- How do I get status on a product or accessory I ordered?
- How do I find a battery for my AT&T product?
- I want to expand my AT&T multi-handset product, how do I find the handset I need?
- How do I obtain support on my AT&T product that is no longer under warranty?
- How do I obtain warranty support on my AT&T product?