Mikrotik

Owned by David Klein
Last updated: Sept 23, 2021 by Eric Ronhovde
1 min read

Description:

This article will show you how to do the following:

  • How to setup DHCP Opt 66

Methods:

 Enable Option 66

Description: Setting up the DHCP server with option 66 will allow phones to automatically connect to the Audian provisioning server and makes it a lot easier to set up a lot of phones.

  1. Log in to the firewall web portal.
  2. Navigate to the DHCP Server option on the left side
  3. Click on the DHCP server option tab and click to add a new one.
  4. In the Name field, enter “Phone Option”.
  5. Set the code as 66.
  6. Set the value to the customer provision string found on the Audian portal.
  7. Hit Apply, and then Ok to save.
  8. Now go to the network within the DHCP Server, scroll down to “DHCP Option” and select the “Phone” option there. 
    1. If you have more than one option you can also first create a DHCP OptionSet which allows you to create more than one DHCP option.
 Disable SIP ALG (SIP HELPER)
  1. In Winbox or Webfig, navigate to IP > Firewall > Service Ports
  2. Locate the SIP line and disable it.
  3. Restart the router and phones for the changes to take effect.
  • Note: To disable from the terminal, run this command: /ip firewall service-port disable sip