Our phone (AT&T 993 Corded) did not display the caller id. but other phones in this line show caller id
Cdn-media-att.vtp-media.com/ecp/documents/.../993_manual_i14.pdf
telephones.att.com/...support/manuals
Testimonial: "not usefull.in phone setting , CID is ON but didn't show caller id yet ; also off the phone & battery for several min & turn on agian.but didn't show CID"
SOURCE: caller id and ringer
Do you have a dial tone? Do any other phones show caller id? do any other phones ring? Have you programmed the phones? Really need more information in order to help.
SOURCE: just got a AT&T 950 corded telephone with Caller
unplugged the phone and took the batteries out for 1 minute and it reset itself...then replaced the batteries and plugged the phone in..no more problems
SOURCE: Are caller ID units interchangealbe between 2 homes?
The caller Id service is a paid extra. If you have a caller ID phone, and are not a subscriber to the service it will not do you any good.
SOURCE: AT&T 964 won't free phone line when incoming caller hangs up
Verizon is right, it's out of their hands. You may have a defective unit or it may be sharing the line with other equipment that is fooling the phone in thinking the call is still there. Or, you may have DSL on the line and it may not be filtered.
You'll have to start by eliminating other devices from the line, fax, computer, credit card machine etc. Now try the auto attendant voice mail. Add those devices back and check each time.
VOLUME buttons;
During a call, press to adjust the listening volume.
While the telephone is not in use, press to adjust ringer volume.
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