CiscoSystems ATA 192 - VoIP Telephone Ports (SIP, TCP, UDP, RTP, HTTP, ARP, RTCP, ICMP, LLDP, SNMPv3, AES,HTTPS,SSH, 100 x 100 x 28 mm, 132.1 g)

Cisco ATA 192 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA192-3PW-K9)

Cisco ATA 191 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA191-3PW-K9)

Grandstream 2-FXS Port Analog Telephone Adapter (HT802)