Troubleshooting (Continued) - Cortelco 8012 Owner's Instruction Manual

Troubleshooting (continued)

Callers Are Not Displayed on Screen
1. Verify that you have subscribed to the appropriate service (Caller ID and Call
Waiting Caller ID) from your telephone company. If you only subscribed to
Caller ID service the unit will not display call waiting caller ID information.
2. Check if your answering machine is set to answer before 2 rings.
No Caller Information is Displayed with the Call Waiting Beep
1. Verify that you have subscribed to Call Waiting Caller ID service from your
telephone company.
We encourage you to disconnect all the telephone cords and adapter; and then
reinstall the unit step by step per this instruction manual before you ask for service.
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