PYLE Audio SOUNDPOINT IP SIP 3.2.1 - Manual (Page 73)

Using the Advanced Features of Your SoundPoint IP 32x/33x Phone
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To restart the phone:
1. Press .
2. Select Settings > Basic> Restart Phone.
“Are you sure?” appears on the graphic display.
3. If you still want to restart your phone, press the Yes soft key.
The restart process process begins. The process ends when the idle display
appears.