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Unable to provision Yealink phone due to certificate error
8x8 Support

Unable to provision Yealink phone due to certificate error

Symptom

Yealink phone does not provision. Syslog shows "Certificate doesn't verify" when connecting to ylcfg.8x8.com

Applies To

  • Yealink phones

Resolution

  1. In a web browser on a computer on the same network as the phone, browse to the phone's IP address.
  2. Log in as admin and enter the password admin. (assuming the phone has been factory reset)
  3. Navigate to Security->Trusted CertificatesYealinkCertificateTrusted.png
  4. Set Only Accept Trusted Certificates to Disabled
  5. Retry provisioning the phone

Cause

Some phones will be missing trusted certificates. This causes issues where the phone does not trust the provisioning server. Removing the limitation of only accepting trusted certificates allows the phone to trust the provisioning server.

 

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