AT&T 518-455-317 Telephone User Manual


 
Troubleshooting
6
Contents
When You Need Help
Power Failure Operation
Problems with System Phones
System Phone Does Not Ring
System Phone Display Does Not Work
Phone Display Does Not Show Caller ID Name/Number
Some Caller ID Information Does Not Display
System Phone Does Not Work
Problems with Standard Phones
Standard Phone Does Not Ring
Standard Phone Rings Back After Intercom Call with
No One at Other End
Standard Phone’s Message Waiting Light Does Not Light
Problems with Combination Extensions
Phone Does Not Work Properly
Other Problems with Phones
Trouble Making Outside Calls
Calls are Answered Automatically
Trouble Hearing Called Party Answer
Using the Recall Feature Has No Effect
Using the Recall Feature Disconnects Call
Problems with Standard Devices
Standard Device Does Not Answer
Standard Device Does Not Dial Out Properly
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