Yealink T4 Series IP Phones User Guide36Icons DescriptionLog inAvailableWrap upand x UnavailableCall History IconsTopicsT48S/T48G Call History IconsT46S/T46G Call History IconsT42S/T42G/T41S/T41P/T40P/T40G Call History IconsT48S/T48G Call History IconsIcons DescriptionReceived CallsPlaced CallsMissed CallsForwarded CallsT46S/T46G Call History IconsIcons DescriptionReceived CallsPlaced CallsMissed CallsForwarded CallsT42S/T42G/T41S/T41P/T40P/T40G Call History IconsIcons DescriptionReceived CallsPlaced CallsMissed CallsForwarded CallsEntering Characters onT46S/T46G/T42S/T42G/T41S/T41P/T40P/T40GFor SIP-T46S/T46G/T42S/T42G/T41S/T41P/T40P/T40G IP phones, you can use the keypad keys on your phone to enteror update field information. The following table describes how to enter different characters using the keypad keys.