The Alcatel 4038 IP phone handset has all the features of the next model down, the Alcatel 4028 IP handset, plus more. The key difference aesthetically between the Alcatel 4038 IP telephone the 4028 is the number of soft keys – 10 vs. 6 respectively. This means you can see even more on your IP phone screen, without having to scroll down. The Alcatel 4038 phone has a built-in display panel that provides four levels of greyscale viewing at 100×160-pixel screen resolution and also includes an integrated keyboard for easy contact (speed dial) location. – Large screen with 4 adjustable levels of grey (100 x 160 pixels) – Alphabetical keypad, intuitive function keys, informative icons – Hands-free function, Loudspeaker and Headset jack – XML, application openness and 2 Ethernet ports – Audio extension connection – Programmable Feature Buttons – Dial by name – Text messaging – Half/ Full Duplex connection (10BT/ 100BT) – VoIP H323 voice compliance, RTP RTCP – Voice Compression – Full Duplex Hands-free – RJ45 Ethernet connection (LAN & PC)