C83

One‐button SIP Door Phone


The C83 is an One‐button SIP Door Phone with the integrated HD camera and advanced audio system. It supports H.264 video compression format and delivers excellent video quality in 720p video resolutions. with the C72 touch screen control pad, you can speak to visitors and view video from camera at anytime. 

The C83 offers keyless control and convenience for the users opening the door without a key. The door can be open remotely if there is an electronic door lock. It’s ideal for control communication and security over internet such as business, institutional and residential applications .

  • Backup

  • TR069

  • SIP

  • NAT

  • DDNS

  • CDR

One‐button SIP Door Phone

HD Voice

1080p HD camera

Door Access: DTMF tones

Ideal for business, institutional and residential applications

Integrated HD camera

Acoustic echo cancellation audio output

One SIP line, Dual SIP servers

High Stability and Reliability

SIP v1 (RFC2543), v2 (RFC3261)

SIP over TLS, SRTP

TCP/IPv4/UDP

HTTP/HTTPS/FTP/TFTP

ARP/RARP/ICMP/NTP

DNS SRV/ A Query/NATPR Query

STUN, Session timer

DHCP/Static/PPPoE

DTMF Mode: In‐Band, RFC2833 and SIP INFO

Easy Management 

  • Auto provisioning: FTP/TFTP/HTTP/HTTPS/PnP

    Configuration via HTTP/HTTPS web

    Configuration keypad‐based management

  • SNMP/TR069

    Configuration backup/restore

    Syslog

  • Features
  • Download
  • HTTP/HTTPS/FTP/TFTP
    DNS SRV/ A Query/NATPR Query
    SNMP/TR069
    Configuration keypad‐based management
    HTTP/HTTPS Web Management
    Auto provisioning: FTP/TFTP/HTTP/HTTPS/PnP
    RTP/RTCP, RFC2198, 1889
    TCP/IPv4/UDP
    SIP over TLS, SRTP
    Door Access: DTMF tones
    One SIP line, Dual SIP servers
    Comfort noise generator(CNG)
    Voice activity detection (VAD)
    Codec: PCMA, PCMU, G.729, G723_53, G723_63, G726_32
    Wideband codec: G.722
    Two‐way audio stream
    HD voice
    Viewing Angle: 80°(H), 60°(V)
    Minimum Illumination: 0.1lux
    Resolution:  up to 1280 x 720
    Video Codec: H.264
    Maximum image transfer rate: 720p ‐30fps
    2M Pixels color CMOS camera
  • Comsns C83 One-Button SIP Door Phone Datasheet