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A_Gayathri
HP Administrator
‎04-24-2026 03:47 PM
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Polycom phones always have supported a CSR / Certificate Signing Request and traditionally the signature algorithm SHA1 was being used and the requested certificate was 512-bits in length.

 

UC Software 5.5.0 and later changed this to SHA256 and a 2048 bit key is being used.

 

To start press Menu > Settings > Advanced > Administration Settings and scroll down and select Generate CSR

 

A_Gayathri_0-1777066842793.png

 

 

  • Fill the CSR info with a meaningful Common name example dot1xPhone
  • All other fields fill in as needed
  • Press the “Generate” softkey to upload the CSR and private key to your provisioning server

The Phone will upload:

 

  • <MAC>.csr

The CSR File can now be used to open as an example a Windows Certificate server.

Need help or have any questions? Start a new discussion here and get the answers you need.

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