Before you add an Internet calling account, make sure that you've registered with an Internet calling service that supports voice calls over Session Initiation Protocol (SIP).
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From the Home screen, press
, and then tap .
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Under Internet call settings, tap Accounts.
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Tap Add account.
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Enter your account details.
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Press
to save your account.
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To set your phone to receive Internet calls on your added account, tap the Receive incoming calls check box.