
Yealink IP Phones Auto Provisioning Guide 
iv 
Configuring a Provisioning Server .............................................27 
Preparing a Root Directory ............................................................................................................................... 27 
Configuring a TFTP Server................................................................................................................................. 28 
Obtaining the Provisioning Server Address ..............................31 
Zero Touch............................................................................................................................................................... 31 
Plug and Play (PnP) Server ................................................................................................................................ 33 
DHCP Options ........................................................................................................................................................ 34 
Phone Flash ............................................................................................................................................................. 35 
Configuring Wildcard of the Provisioning Server URL ........................................................................... 36 
Triggering the IP Phone to Perform Auto Provisioning...........39 
Power On.................................................................................................................................................................. 39 
Repeatedly............................................................................................................................................................... 40 
Weekly....................................................................................................................................................................... 41 
Flexible Auto Provision ....................................................................................................................................... 42 
Auto Provision Now ............................................................................................................................................. 43 
Multi-mode Mixed................................................................................................................................................ 44 
SIP NOTIFY Message ........................................................................................................................................... 44 
Auto Provisioning via Activation Code......................................................................................................... 45 
Downloading and Verifying Configurations .............................49 
Downloading Boot, Configuration and Resource Files .......................................................................... 49 
Resolving and Updating Configurations ..................................................................................................... 49 
Using MAC-local CFG File.................................................................................................................................. 50 
Verifying Configurations .................................................................................................................................... 50 
Troubleshooting...........................................................................53 
Glossary.........................................................................................55 
Appendix.......................................................................................57 
Configuring an FTP Server................................................................................................................................. 57 
Preparing a Root Directory ........................................................................................................................... 57 
Configuring an FTP Server............................................................................................................................. 58 
Configuring an HTTP Server ............................................................................................................................. 60 
Preparing a Root Directory ........................................................................................................................... 60