User guide

Yealink SIP-T4X IP Phones Auto Provisioning Guide
iv
Phone Flash .................................................................................................................... 24
Update Mode ..................................................................... 27
Power On ........................................................................................................................ 27
Repeatedly ..................................................................................................................... 28
Weekly ............................................................................................................................ 28
Auto Provision Now ........................................................................................................ 29
Multi-mode Mixed ......................................................................................................... 30
SIP NOTIFY Message ..................................................................................................... 30
Downloading Configuration Files ......................................... 33
Troubleshooting ................................................................... 35
Glossary .............................................................................. 37
Appendix ............................................................................ 39
Configuring an FTP Server ............................................................................................. 39
Preparing a Root Directory ......................................................................................... 39
Configuring an FTP Server .......................................................................................... 40
Configuring an HTTP Server .......................................................................................... 42
Preparing a Root Directory ......................................................................................... 42
Configuring an HTTP Server ....................................................................................... 42
Configuring a DHCP Server ........................................................................................... 45
Customizing a Ringtone Using Cool Edit Pro ................................................................ 52
Customizing a Logo File Using PictureExDemo ............................................................ 53
Description of Configuration Parameters in CFG Files ................................................. 55