DP81/DP81U Audio SIP Intercom

DP81 offers key-less 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.

• HD Voice
• Door Access: DTMF tones
• Ideal for business, institutional and residential applications
• Open remotely if there is an electronic door lock
• Dual SIP line, Dual SIP servers
• Door Phone features
• Two‐way audio stream

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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

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Features:

• Aluminum surface, Metal bottom shell
• 2 call button
• DTMF Mode: In‐Band, RFC2833 and SIP INFO
• DHCP/Static/PPPoE
• STUN, Session timer
• DNS SRV/ A Query/NATPR Query
• HTTP/HTTPS/FTP/TFTP
• TCP/IPv4/UDP
• SIP over TLS, SRTP
• Configuration backup/restore
• Syslog
• SNMP/TR069
• Configuration web‐based management
• HTTP/HTTPS Web Management
• Auto provisioning: FTP/TFTP/HTTP/HTTPS/PnP
• 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
• Action URL/Active URI remote control
• Default auto answer
• Door Phone features
• Door Access: DTMF tones
• 2 SIP line, Dual SIP servers