Yealink IP Phones Auto Provisioning GuideivObtaining the Provisioning Server Address .............................. 25Zero Touch............................................................................................................................................................... 25Plug and Play (PnP) Server ................................................................................................................................ 26DHCP Options ........................................................................................................................................................ 27Phone Flash ............................................................................................................................................................. 29Configuring Wildcard of the Provisioning Server URL ........................................................................... 30Triggering the IP Phone to Perform the Auto Provisioning .... 33Power On .................................................................................................................................................................. 33Repeatedly ............................................................................................................................................................... 34Weekly ....................................................................................................................................................................... 35Flexible Auto Provision ....................................................................................................................................... 36Auto Provision Now ............................................................................................................................................. 37Multi-mode Mixed ................................................................................................................................................ 38SIP NOTIFY Message ........................................................................................................................................... 38Auto Provisioning via Activation Code ......................................................................................................... 39Downloading and Verifying Configurations ............................. 43Downloading Boot Files and Configuration Files ..................................................................................... 43Resolving and Updating Configurations ..................................................................................................... 43Using MAC-local CFG File .................................................................................................................................. 44Verifying Configurations .................................................................................................................................... 44Troubleshooting........................................................................... 47Glossary ......................................................................................... 49Appendix....................................................................................... 51Configuring an FTP Server ................................................................................................................................. 51Preparing a Root Directory ........................................................................................................................... 51Configuring an FTP Server............................................................................................................................. 52Configuring an HTTP Server ............................................................................................................................. 54Preparing a Root Directory ........................................................................................................................... 54Configuring an HTTP Server ......................................................................................................................... 55Configuring a DHCP Server ............................................................................................................................... 58Configuring the DHCP Turbo ....................................................................................................................... 59Add the Option 66 via DHCP Turbo .......................................................................................................... 62