Yealink SIP-T21P

User Guide for the SIP-T21P IP Phone
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3. Press the Ok soft key.
The LCD screen prompts “Resetting…Please Wait!”.
The LCD screen prompts “Welcom Initializing…please wait”.
The phone will be reset to factory sucessfully after startup.
Note
Reset of your phone may take a few minutes. Do not power off until the phone starts up
successfully.