Nuisance Call Block with Dedicated Call Block Button. This feature allows you to input and block phone number prefixes to stop all nuisance calls with matching prefixes such as from telemarketers and prefixes of freephone numbers.. A dedicated call block button allows you to easily and reliably register a phone number to your block list by simply pressing it when the phone is ringing or during a nuisance call.. Easy-to-Read. Illuminated Full Dot-Matrix. Display. The screen is capable of displaying clear letters and numbers, making it highly legible. It also shows you all the required information, according to the situation.. Speakerphone. Allows Comfortable Hands-Free Calls. Hands-free calling is a must when taking long calls. Talk while doing other things or share your conversation with your family.. Answering. System. The answering machine records messages up to 18 minutes long, so even if you are out for a day you never miss an important message. You can also remotely check your mes