Keep the two lines separate or bring them together for multi-party conferencing. Each line features its own voicemail box and distinct ringtone, making it easy for you to balance your workload and keep your roles compartmentalized. Featuring ample storage space for contacts (up to 100), speed dials and voice messages, the ML17928 is an excellent choice for the busiest offices and the hardest working professionals. Clearspeak functionality provides hands-free control, enabling multi-tasking during calls. Built-in noise-and interference-reduction technology minimizes background noise during speakerphone operation and ensures crystal clear reception while providing full compatibility with most telecoil-equipped hearing aids. Bright, 2.75" monochrome LCD with large-font characters boldly and clearly displays caller information as well as call-waiting and line statuses.