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.

Product support: 4 Handset Answering System with caller ID/call waiting

CL82464

 

Resources

Go to Product Support

Frequently asked questions

  1. 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?
  2. 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?
  3. Why don’t I get a dial tone on my handset?
  4. Why doesn’t my telephone ring when I receive calls?
  5. My telephone handset appears to be dead. What should I do?
  6. There is a lot of static and other noise on the line when I use this telephone. What can be done to improve the call quality?
  7. Why do calls fade/cut in and out when I’m using this phone?
  8. Why am I unable to dial out using this telephone?
  9. Out of range OR No power at base is shown in the handset display window. Why don’t I get a dial tone when I try to use this phone?
  10. How do I register a new accessory handset to the base?
  11. My VOICEMAIL indicators remain on after I have reviewed my messages. How do I turn the indicators off?
  12. Why am I not receiving caller ID on my phone?
  13. How do I set the day and time on my telephone ?
  14. Why won’t my Answering System record any messages?
  15. Why can’t I play my messages?
  16. How do I record an announcement on my answering system ?
  17. My handset displays either LOAD DELTA FILE or LOAD DEFAULT DELTA FILE. What should I do?
  18. Why won’t the battery(s) in my telephone handset hold a charge?
  19. Why won’t the CHARGE light turn on when I place the handset in the base?