03-22-2014, 05:45 PM
03-24-2014, 08:47 AM
Do you want to know how to configure T21/22 with Asterisk? Please refer to below guide.
Configuration Guide for Yealink IP Phone & Asterisk.pdf
If you want to get the recovery mode of T21/T22, please ask your distributor for help.
Configuration Guide for Yealink IP Phone & Asterisk.pdf
If you want to get the recovery mode of T21/T22, please ask your distributor for help.