Modern office, educational or retail environments require fast, reliable and intuitive communication sytems. The dependable and affordable d41 is designed meet the challeges of the modern workplace. The d41 has a streamlined, intuitive user interface with a smart 4-way navigation key. Logical and easy-to-use menus display calls received and dialed, contact telephone numbers and are designed to facilitate fast, simple operation. Ascom designed the d41 in basic and advanced licensed versions. The d41 basic is an ideal solution for users with less complex demands but who still require quality handsets that can be relied upon for intense daily use. The advanced version features centralized management and other features designed to enhance communications, reduce system maintenance and ease administration. Centralized management provides smooth, trouble-free upgrades, portable handset configuration and reduced downtime — a key benefit to system administrators.