The AT&T CL84107 DECT 6.0 Expandable Corded/Cordless Phone with Smart Call Blocker in Blue offers a versatile and user-friendly telephone system for home or office use. With a maximum expandability of 12 handsets, this phone allows for easy communication in a large household or small business setting. The DECT 6.0 technology ensures clear and reliable calls, while the smart call blocker feature helps to filter out unwanted calls for added convenience. The sleek silver and black design adds a stylish touch to any space.