2N Telecommunications 1120101B. Product type: IP Phone, Product colour: Black, Handset type: Wired handset. Dual-Tone Multi-Frequency (DTMF) modes: In-band, Out-of band, SIP info. Lines quantity: 2 lines. Voice codecs: G.711a,G.711u,G.722,G.726,G.729A,OPUS,iLBC. Ethernet LAN interface type: Fast Ethernet, Ethernet LAN data rates: 10,100 Mbit/s, Supported network protocols: SIP2.0 over UDP/TCP/TLS, RTP/RTCP/SRTP, STUN, DHCP, LLDP, CDP, PPPoE, 802.1x, SNTP, FTP/TFTP,...