LELAS VoIP Intercom Explosion Proof NHA214HC9LM
LELAS VoIP Intercom Explosion Proof NHA214HC9LM: This intercom delivers robust performance in hazardous environments, ensuring reliable communication in industrial settings. The intercom features voice and media middleware for seamless communication and a certified SIP signaling stack that supports advanced telephony features. Its feature-rich telephony application includes hotline, intercom, and push-to-call modes. It supports multiple protocols such as SIP, RTP, RTCP, STUN, and NTP, and offers both stand-alone P2P and proxy infrastructure modes with SIP failover server support. The analog audio subsystem includes an Acoustic Echo Canceller (AEC) and various codecs like G.711a, G.711u, G.736-32, G721-RFC3551, iLBC, and G.722. It detects and generates Dual-Tone Multi-Frequency (DTMF) signals and provides clear call progress tones. The webUI module offers a complete web interface for configuration with login authentication. The NHA214HC9LM combines advanced VoIP features with durable construction, making it the ideal solution for secure and reliable communication in the toughest industrial environments.