AT&T 4.1 Telephone User Manual


 
Troubleshooting
6
Contents
When You Need Help
6-1
Power Failure Operation
6-1
Problems and Solutions
6-2
All Phones Dead: No Dial Tone or Lights
Multiple Phones Dead: No Dial Tone or Lights
Trouble Making Outside Calls
Phone Does Not Ring
Calls Are Answered Automatically
Trouble Hearing Called Party
Using the Recall Feature Has No Effect
Using the Recall Feature Disconnects Call
Phone Rings Back after Intercom Call with No One at Other End
Combination Extension Problem: Phone Does Not Ring Properly
Call on Hold Hangs Up, but Line Does Not Disconnect
Calls on Hold Are Disconnected
Incorrect Date and Time Appear on Phone Display
Display Shows Strange Characters or Nothing At All
Display Shows Only 16 Characters Per Line
System Phone in Combination Extension Does Not Work
Poor Transmission Quality on Modem
No Music On Hold
Can’t Program Top Row of Buttons on PARTNER-18D Phone
Other Problems with Phones
Other Problems with System
6-2
6-2
6-2
6-4
6-4
6-4
6-5
6-5
6-5
6-6
6-7
6-7
6-7
6-8
6-8
6-8
6-9
6-9
6-9
6-10
6-10
6-i