Rename Internet call SIP

    <string name="label_notes">Notes</string>

    <!-- The label describing the SIP address field of a contact. [CHAR LIMIT=20] -->

    <string name="label_sip_address">Internet call</string>

    <string name="label_sip_address">SIP</string>

    <!-- Header that expands to list all website types when editing a website of a contact

         [CHAR LIMIT=20] -->