NEC - ML440 Handset and Charger -Compatible with DSX systems Configure your site with a single cell or a multiple cell solution Multi-line, wireless handset that provides superior sound quality and enables users to talk anywhere within the building. Operates on the 1.9 GHz band Illuminated, color LCD display with GUI enables use in poorly lit environments. (4) programmable function keys can be set up as line keys, park keys, hotlines, etc. Speakerphone provides hands-free operation with excellent sound quality. Talk time of 20-hours and 200 hours of standby time. Ergonomic, compact design for improved user experience Maximum of 32 handsets per system Intercom calls between ML440 handsets, as well as ML440 handset and DSX IP keysets on the same LAN, are peer-to-peer and do not require a VOIPDB license
