IP8540 User Guide
2.8 Initial Power up and Sign In
The first time you power up IP8540, you will need to do the following:
∙Calibrate the touch screen
∙Sign In (with IP8540 or with Office Communicator 2007 R2 on your PC)
∙Set the phone unlock parameters
∙Set the time zone
2.8.1Calibrating the touch screen
You must calibrate the touch screen during the initial power up. After initializing, the IP Phone displays calibration instructions. Follow the
2.8.2Sign In with IP8540
After completing calibration, the Sign In screen appears. Once entered, your
∙Sign in address
∙Domain\user name
∙Password
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