I was not even aware it was an option, but I am thrilled to finally be able to control those annoying telemarketers and anyone else I don't care to talk to

When an annoying telemarketer calls with the touch of one button they go away

No more running across the room to look at the caller ID, so telemarketers beware

Love the call blocking button to get rid of annoying telemarketers.

I do notice that the speakerphone max volume is not as loud as with the old phone, but with 3 handsets provided with this product, you won't need room-filling speakerphone volume.

Nice as always

The only problem any of us have is the volume for the speaker hone is not as loud as we would like.

These have a nearly impossible to find combination of features for home use in landline phones these days.