D81 Audio Door Phone
The D81 is a One‐button SIP Door Phone with an advanced audio system with an echo cancellation function. With the M5x series indoor monitor control pad, you can speak to visitors at any time.
The D81 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 the internet such as business, institutional and residential applications.
Features
- One call button
- SIP v2.0, RFC3261, UDP/TCP/TLS
- Door access by remote DTMF
- Premium audio quality
- One SIP line, dual SIP servers
Specifications
| Display: | N/A |
| Camera: | N/A, RTSP URL |
| Card Reader: | N/A |
| Protocols: | SIP v2.0, RFC3261, UDP/TCP/TLS, SRTP, RTP/RTCP |
| SIP Line: | 1 SIP line, dual SIP servers |
| Audio Codecs: | PCMA, PCMU, G.729, G723_53, G723_63, G726_32, G.722 |
| Video Codec: | H.264 |
| Voice Capabilities: | Echo Cancellation, Jitter Buffer, VAD, CNG, Silence Suppression |
| DTMF: | RFC2833, SIP Info, Inband |
| Door Phone: |
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| Call Features: |
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| Management: |
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| Material: | Aluminum surface, metal bottom shell |
| Power Supply: | DC12V1A or PoE |
| Dimension: | 200*130*32 mm |
| Protection Level: | IP65 |
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