The Arris TM1602A cable modem is designed for telephony services and features DOCSIS 3.0 technology, making it compatible with Optimum, WOW, Cablevision, Charter, and other ISPs. This modem offers a 16x4 channel bonding capability for efficient data transfer over a cable connection. It is a reliable choice for users looking for a high-quality cable modem that supports fast and reliable internet and telephony services.