4G SIP Audio Intercom
The DP92-SG Series are high quality 4G wireless SIP audio intercom with the echo cancellation function. The whole device is made of aluminum alloy. The surface housing is whole black sandblasted. Compared with the normal intercom on the market, it has a more attractive appearance, it looks more luxury and stable after installation. In 4G LTE mode, it completely makes the installation easier than ever. And DP92-SG could provide same HD audio quality as wire cable type.
 

4G SIP Audio Intercom

• 4G Wireless
• HD Audio
• Wall Mounting
• One-touch Call
• Wall Mounting
• Metal Housing, Stability&Reliability
• Self-Diagnosis
• Auto Provision
• B1/3/5/34/38/39/40/41, TDD and FDD
• Dual Button as Optional: DP92-DG

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