The Dinstar DP91-S Mini Audio SIP Intercom is a one-button mini audio SIP intercom with an advanced audio system and echo cancellation. Its compact design makes it suitable for use in a variety of applications such as hospitals, campuses, scenery sites, and so on. The DP91-S has a wide range of applications, including integration into parking barriers and compatibility with medical intercom pull cord switches.
- A two-way audio stream with HD voice
- G.722 is a wideband codec.
- PCMA, PCMU, G.729, G723 53, G723 63, and G726 32 are examples of narrowband codecs.
- G.168 is used for echo cancellation.
- Voice activity recognition (VAD)
- Noisemaker for relaxation (CNG)
- Microphone and speaker built-in
- Audio output with acoustic echo cancellation
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