Buy Dinstar DP81 Audio SIP Intercom - DINSTAR - IP PRODUCTS

• 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

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