Overview Features and Benefits How to Use Disclaimer AT&T User Guide
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LINE-BACKER(R) and PHONE-PROTECT(R)
AT&T
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How to Use
For Wiring/Jack Repairs
    If you have LINE-BACKER, simply call the number below for your state
    to report a problem.
     Illinois: 1-888-611-4466 Michigan: 1-800-515-7272
     Ohio: 1-800-572-4545 Wisconsin: 1-800-611-2344
For Equipment Repairs
    If you have telephones and/or Caller ID units covered by PHONE-PROTECT,
    simply call 1-888-447-6477 for repairs on registered equipment or
    submit a claim online.