Dual‐button SIP Audio Intercom
The DP82 is a Dual‐button SIP Audio Intercom with RF card reader and advanced audio system with the echo cancellation function. With the touch screen control pad, you can speak to visitors at any time. The DP82 offers keyless control and convenience for the users which supports many ways of opening the door without a key. The door can be open remotely but also local IC/ID card if there is an electronic door lock. It’s ideal for control communication and security over internet such as  business, institutional and residential applications.

Dual‐button SIP Audio Intercom

• 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

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

Product Description:
Enhance your security and communication systems with the DP82 Dual-Button SIP Audio Intercom, a cutting-edge solution designed for business, institutional, and residential applications. With its advanced features and high stability, the DP82 offers a seamless and secure experience for users seeking keyless control and convenience.

Featuring HD Voice technology and an advanced audio system with echo cancellation, the DP82 ensures crystal-clear two-way communication with visitors. The touch screen control pad allows users to speak to visitors at any time, providing a user-friendly interface for enhanced security.

The DP82 supports multiple ways of opening doors without a key, making it a versatile and convenient solution. Whether opening the door remotely or using local IC/ID cards with electronic door locks, this dual-button SIP intercom offers flexibility in access control.

Key Features:

1. Dual SIP Line, Dual SIP Servers: Benefit from dual SIP lines and servers for enhanced reliability and communication efficiency.
2. Door Access with DTMF Tones: Enjoy keyless control with door access using DTMF tones, providing a secure and convenient entry solution.
3. High Stability and Reliability: Built on SIP v1 (RFC2543) and v2 (RFC3261) standards, the DP82 ensures stability and reliability in communication.
4. Security Features: SIP over TLS, SRTP, and other security protocols ensure a secure communication environment, making it ideal for sensitive applications.
5. Network Compatibility: The DP82 supports TCP/IPv4/UDP, HTTP/HTTPS/FTP/TFTP, ARP/RARP/ICMP/NTP, DNS SRV/A Query/NATPR Query, STUN, Session timer, DHCP/Static/PPPoE, and DTMF modes (In-Band, RFC2833, SIP INFO) for versatile network compatibility.

Upgrade your communication and security infrastructure with the DP82 Dual-Button SIP Audio Intercom. Ensure peace of mind and convenience with this high-quality, feature-rich solution designed for modern applications.