Htek IP phones can be provisioned through DHCP options.

The supported DHCP options for IPv4 are option 43, option 66, and option 128.

Normally, we will use option 66 for provisioning and the default supported option on the phone is option 66, so we use it as an example.

Auto Provision - DHCP Option Method Work Flow

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The phone will get the configuration file download URL from option 66 in the DHCP response.

And it will try to get the configuration file if it gets the URL success.

Steps for Auto Provisioning through DHCP Option 66

1. Prepare a DHCP server and a configuration server (such as an HTTP server)

2. On the DHCP server, set the value of option 66 to the URL of the configuration server.

3. Confirm the phone enabled DHCP option 66

   1. Set Allow DHCP Option Server to Yes (on the old version, this option is To Override Server)

   2. Set Allow DHCP Option to 66

4. Power up or reboot the phone to trigger the DHCP process.