Phone won't register

Work through the usual causes of Register Failed or a missing line.

Go through these in order. Most registration problems are fixed by the first three.

Steps

  1. Re-enter the password.Copy and paste it if you can.
  2. Check the username, auth ID and server match exactly what your provider or PBX gave you.
    PhoneUser + passInternetPort 5060ProviderChecks detailsIf any one detail doesn't match exactly, the provider rejects the phone.
    Illustration. Your screen may look slightly different.
  3. Confirm the port.Most systems use 5060, but some use 5061 (TLS) or another port.
  4. Restart the phone, then the router.
  5. Check the phone has internet access.Does the date and time on screen look right?
  6. If the phone was used on another system, factory reset it and set it up again.
  7. Ask your provider whether your IP has been blocked after too many failed attempts.
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