It has separate volume controls for the handset and for the base unit. I use with a landline, so i don't know how it works with voip. There is no static or hum, the conversation is clear. Cordless phone and digital answering system with 2 handsets is ...  Read More

This model has an answering machine which allows me to change migrating at a moment. It is smaller than the previous one so takes up less desk space. This unit replaces an earlier identical unit which performed well until batteries gave out.

In a box taped up with no instructions, the phone is scratched up. And there was dirt on the used wires. Do not recommend.

When talking using the earpiece or speaker the sound is very muffled. If i talk for more than a few minutes, it goes mute. Entering the names and phone numbers in the directory is painfully tedious.