The Panasonic Single-Handset Expandable Cordless Phone model KX-TGD530M lets you permanently block up to 150 robo callers, telemarketers and other unwanted callers. Clearly hear who's calling with advanced Talking Caller ID in English and Spanish. Enjoy the convenience of handset-to-handset intercom and 3-way conference calling. In addition to the above features, this phone also includes a digital answering system with up to 17 minutes recording time .