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Error 003 SIP Registration Failure


Your Panasonic KX-TGP600 DECT phone is receiving the following error, Error 003: Not registered.

Applies To

  • Panasonic KX-TGP600 DECT phones


Error 003 - SIP Registration Failure may result from a bad configuration, failed handset pairing, a device requiring pairing, or a non-activated or offline base unit.


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