{"id":215,"date":"2022-04-07T12:06:57","date_gmt":"2022-04-07T12:06:57","guid":{"rendered":"https:\/\/jazchye.com\/?p=215"},"modified":"2022-04-07T12:06:59","modified_gmt":"2022-04-07T12:06:59","slug":"what-is-zero-config-in-grandstream-ucm-series-and-how-to-configure-zero-config-in-ucm","status":"publish","type":"post","link":"https:\/\/jazchye.com\/index.php\/2022\/04\/07\/what-is-zero-config-in-grandstream-ucm-series-and-how-to-configure-zero-config-in-ucm\/","title":{"rendered":"What is Zero Config in Grandstream UCM series and how to configure Zero Config in UCM"},"content":{"rendered":"\n

What is Zero Config<\/u><\/strong><\/p>\n\n\n\n

The UCM630X provides a Plug and Play mechanism to auto-provision the Grandstream SIP devices in a zero-configuration manner by generating an XML config file and having the phone download it within the LAN area. This provisioning method will ease the deployment of Grandstream SIP devices, especially in a mass deployment scenario.<\/p>\n\n\n\n

There are 3 layers for endpoint configuration in Zero Config \u2013<\/p>\n\n\n\n

  1. Global (lowest priority)<\/li>
  2. Model<\/li>
  3. End-device (highest priority)<\/li><\/ol>\n\n\n\n

    Bear in mind that whenever there is an overlapping configuration, UCM will always take the highest configuration.<\/p>\n\n\n\n

    By default, Zero Config will always be enabled, and 3 types of auto-provisioning will be in use \u2013<\/p>\n\n\n\n

    1. SIP Subscribe (using SIP NOTIFY message to push the config file to the phone)<\/li>
    2. DHCP OPTION 66 (Only in Route mode. Phone will send a DHCP discover to UCM, and UCM will return with a DHCP OFFER with the zero config path in Option 66. And the phone will download the config file through this path)<\/li>
    3. mDNS (Phone will send a mDNS query to get the TFTP server address, and UCM will respond with its address. The phone will then send a TFTP request to download the config file from UCM)<\/li><\/ol>\n\n\n\n

      Since UCM is not a router, I will never encourage anyone to use UCM in route mode. Hence, most of the time, we will be using SIP Subscribe method.<\/p>\n\n\n\n

      How to configure Zero Config<\/u><\/strong><\/p>\n\n\n\n

      Here is an example of how I configure two parameters through the model template \u2013<\/p>\n\n\n\n