The EnGenius DuraFon PRO phone is expandable up to 90 handsets so you can answer the calls from anywhere in your house. This EnGenius cordless phone has call waiting feature with caller id so no important call will go unnoticed. This single-line Phone also gives you an option of keeping the phone on silent or vibration if looking to avoid disturbance while working. Battery is not a problem as this EnGenius cordless phone allows you to change the batteries while the call is on hold. Having a phonebook with a capacity of 90 numbers, this single-line Phone allows you to store all the important contacts. You can conduct meeting over the EnGenius DuraFon PRO phone that has conference call feature.