A multi-function HD SIP phone designed for high-end business. Elegant appearance, excellent performance, suitable for a variety of environments. 4.3 "480 x 272 pixel graphic LCD backlight brings good visual effects. Excellent HD voice quality and a variety of system functions to meet the different needs of users. The C66 SIP phone uses a dual GIGABit Ethernet port and is easy to install, configure, and use. Supports six SIP accounts and the three-party conference function. Seamlessly interconnects with the IP PBX to provide rich service functions.
Gigabit Color Screen IP Phone，HD Voice，Up to 6 Extension accounts，4.3”480 x 272 pixel Graphical LCD with Backlight，Dual‐port Gigabit Ethernet，6 SIP Accounts，Call Waiting，Call Forward，Blind/attendant Transfer.
Safe and Reliable，SIP v1(RFC2543),v2(RFC3261)，SIP over TLS,SRTP，TCP/IP/UDP，RTP/RTCP,RFC2198,1889，HTTP/HTTPS/FTP/TFTP，ARP/RARP/ICMP/NTP/DHCP，DNS SRV/A Query/NATPR Query，STUN, Session Timer(RFC4028)，DTMF:In‐Band, RFC2833, SIP INFO.
Features |
| HD Voice |
| Peer Dialing |
| IP Dialing |
| Network capture |
| Auto provisioning: FTP/TFTP/HTTP/HTTPS/PnP |
| SIP over TLS, SRTP |
| Call hold, Mute, DND |
| Codec: PCMA, PCMU, iLBC G.729, G.723_53, G.723_63, G.726_32 |
| 6 SIP Accounts |
Features |
| SMS, Voicemail, MWI |
| Auto‐redial, Auto‐answer |
| DTMF: In‐Band, RFC2833, SIP INFO |
| Syslog |
| Phonebook: 1000 Groups |
| Three‐way Calling |
| Software upgrade via web |
| Music On‐hold, Intercom, Multicast |
| 4.8”Color TFT Display with High Resolution |