The M10 KLE SIP DECT 4-Line Handset is ideal for small businesses that need to quickly and easily manage call routing. Add mobility to your SIP communications with up to 10 expandable M10 KLE accessory handsets. When paired with the M100 KLE SIP DECT 4-Line Base Station, each handset can have its own extension and unique phone number. With four programmable LED backlit line keys on the cordless handset, easily handle multiple calls. With key system emulation, the M100 KLE Series handles shared line appearances locally without the need for SCA (shared call appearances) support from your provider. You can even hold a call and resume it on a different handset or deskset with a single press of a button. No complicated programming required.