Yealink SIP-T48G Administrator's Manual page 802

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
The LCD screen prompts the following warning:
2. Press the OK soft key to reboot the phone.
The phone begins rebooting. Any reboot of the phone may take a few minutes.
To reboot the phone via web user interface:
1. Click on Settings->Upgrade.
2. Click Reboot to reboot the IP phone.
The phone begins rebooting. Any reboot of the phone may take a few minutes.
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