Error 003 SIP Registration Failure

Updated: 04/04/2024

Symptom

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

Applies To

  • Panasonic KX-TGP600 DECT phones

Resolution

Note: This product has reached end of life and may no longer be suppored by 8x8.

Cause

This error may result from a bad configuration, failed handset pairing, a device requiring pairing, or a non-activated or offline base unit.