IBM IBM412 Operation Guide - Page 34
Handset doesn't appear to be working., Intercom service doesn't appear to work., Can't make phone
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UPC - 093016841200
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Handset doesn't appear to be working. v Check to see if your phone is in headset mode. If the [SPKR] key is flashing, you are in headset mode and need to deactivate this in order to turn on the handset. v Make sure the handset cord is connected at both ends. Intercom service doesn't appear to work. v Check to make sure the phone lines for all extensions are set up consistently, meaning that all phones are properly wired for [LINE 1], 2, 3 and 4. Review "Connecting Your Telephone Lines" section. Can't make phone calls. v Check to be sure the phone is set to the correct type of service, either Tone or Pulse. 34
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Handset doesn’t appear to be working.
v
Check to see if your phone is in headset mode. If the [SPKR] key is flashing, you are in headset
mode and need to deactivate this in order to turn on the handset.
v
Make sure the handset cord is connected at both ends.
Intercom service doesn’t appear to work.
v
Check to make sure the phone lines for all extensions are set up consistently, meaning that all
phones are properly wired for [LINE 1], 2, 3 and 4. Review “Connecting Your Telephone Lines”
section.
Can’t make phone calls.
v
Check to be sure the phone is set to the correct type of service, either Tone or Pulse.