The AT&T SynJ SB67148 DECT 6.0 Cordless Phone is designed for business environments requiring a multi-line communication solution. This cordless extension deskset supports up to 4 phone lines and is compatible with AT&T SB67118 and SB67138 systems, allowing for integration into existing SynJ cordless business phone setups. It is suitable for organizations needing to support up to 11 users with features like a digital answering system, hands-free speakerphone, and three-party call conferencing. The DECT 6.0 technology provides enhanced voice quality and range, while minimizing interference with wireless routers. The SB67148 also includes a blue backlit keypad and display for improved visibility.