Cisco SPA122 | 2x FXS 1x 10/100Base-TX Network WAN 1x 10/100Base-TX Network LAN VoIP Gateway Router

1. Interfaces: 2 x RJ-45 10/100 Mbps Ethernet ports, 1 x RJ-11 FXS phone port, 1 x RJ-11 FXO phone port
2. Protocols: SIP, SIP v2, SPCP
3. Voice codecs: G.711 a-law and mu-law, G.726, G.729a, G.722, iLBC
4. Fax protocols: T.38 fax relay, G.711 fax pass-through
5. Network protocols: DHCP, DNS, ICMP, ARP, HTTP, HTTPS, PPPoE, RTP, RTCP, SNTP, TCP, UDP
6. QoS: 802.1p/q VLAN tagging, DSCP, ToS
7. Security: Password-protected system reset to factory default, Password-protected administrator and user access authority, Provisioning, authentication, and encryption through HTTPS, HTTP Digest: Encrypted authentication using MD5 (RFC 1321)
8. NAT traversal: STUN, NAT keep-alive, UPnP
9. Router features: Port forwarding, DHCP server, DMZ, DNS proxy, MAC address cloning, IPv6
10. Power supply: 5V DC, 2.0A
11. Dimensions: 4.33 x 4.33 x 1.18 in. (110 x 110 x 30 mm)
12. Weight: 5.11 oz (145 g)

Notes:
1. The SPA122 is an ideal solution for small businesses that want to use VoIP services while keeping their existing analog phones.
2. The device is easy to install and configure, with a web-based configuration utility and a built-in IVR system.
3. The SPA122 supports both SIP and SPCP protocols, allowing it to work with a wide range of VoIP service providers.