C61S/C61SP is a versatile HD SIP Phone designed for SMEs.Easy to use, cost-effective, suitable for various environments. 132 x 64 pixel Graphical LCD with Back-light. Excellent HD voice quality and various system functions to meet the different needs of SMEs, Call center and industry users. Easy to install, configure, and use. Supports 2 SIP accounts, supports 3-party conference functions. Achieves rich business functions by seamlessly cooperating with IP PBX.
HD Voice 2 Extension accounts 2.3 LCD with Backlight Dual‐port 10/100Mbps Ethernet HTTP/HTTPS/FTP/TFTP G.729, G723_53, G723_63, G726_32 XML Browser Action URL/URI Key Lock Phonebook: 500 Groups Blacklist: 100 Groups Call Log: 100 Logs Support 5 Remote Phonebook URLs
132x64 pixel graphic LCD with backlight 30 keys, including 4 soft keys and 9 programmable keys FTP/TFTP/HTTP/HTTPS/PnP Selectable Ring Tones NTP/Daylight saving time Software upgrade via web Configuration backup/restore DTMF: In‐Band, RFC2833, SIP INFO Wall Mountable IP Dialing Redial, Call Return Blind/attendant Transfer Call hold, Mute, DND Call Forward Call Waiting SMS, Voicemail, MWI 2xRJ45 10/100M Ethernet Ports 2 SIP Accounts