Cisco ATA191-PWR ATA 191 Series 100–240 V AC, 50/60 Hz Analog Phone Adapter

Cisco ATA191-PWR by Cisco is a desktop analog telephone adapter with two FXS RJ-11 ports and one 10/100 Mbps RJ-45 Ethernet interface. It connects analog phones or fax devices to IP networks using standard SIP signaling. The unit supports two independent analog lines and is powered by a 100–240 V AC external supply. It is used to extend legacy analog endpoints over VoIP systems and supports call features such as caller ID, call waiting, and fax passthrough. The compact enclosure is suitable for desk or wall placement.