“HI, I am trying to set up our new phone system and can not figure out why only Line 2 displays caller ID but Line 1 will not. Please help. Thank you!!”
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Hi - We are sorry to hear that you are having issues with the VTech CM18445. Make sure that the telephone line cords are installed correctly at the back of the unit. You also need to check with your telephone service provider if line 1 has an active Caller ID subscription. If this does not help, please contact our Consumer Sales and Service Center between the hours of 9:00 AM and 4:00 PM Monday through Friday at 1-800-595-9511. Thank you, -VTech Support
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