01-31-2017 03:51 PM - edited 07-05-2021 06:28 AM
I just received the new Wireless IP Phone model 8821. when i try to register the phone to Cisco Unity Express, get the next message in the phone:
tftp error: wlan rootca.cer.sng
tftp error: AppDialRules.xml
File not found: SEPF8A5C59C7320.cnf.xml
have any idea, how to resolve that issue?