Author: Site Editor Publish Time: 2025-03-11 Origin: Site
In today's era of rapid development of Internet of Things technology, intelligent communication devices are becoming the core components for building efficient communication networks. The SIP804T network intercom launched by SINREY is redefining the standards of industrial-grade communication solutions with its excellent performance and flexible expansion capabilities. This terminal device, which integrates multiple advanced technologies, not only supports the standard SIP protocol, but also has rich audio processing capabilities and diverse communication modes, providing an ideal hardware foundation for modern intelligent system integration.
1. Analysis of core technical features
SIP804T adopts a dual-mode communication architecture, which supports both standard SIP protocols (including RFC2543 and RFC3261 versions) and TCP playback protocols. This dual protocol stack design enables it to seamlessly access existing IP communication networks and realize cross-platform two-way voice communication. The device's built-in 3W waterproof speaker and directional microphone array have undergone rigorous IP protection testing and can maintain stable acoustic performance in extreme temperature environments from -40°C to 85°C.
In terms of audio processing, the device supports multiple encoding formats such as G.711 a/u, G.721, PCM, etc., and can process MP3 audio streams up to 192kBit. The specially equipped Opus codec (OEM customization required) further improves the audio transmission efficiency in complex network environments. The built-in echo cancellation module uses advanced DSP algorithms to effectively suppress up to 60dB of echo interference, ensuring the clarity of full-duplex communication.
The device provides four multi-function buttons, supporting one-click initiation of RTP multicast, triggering private broadcast protocols, and direct calls to specified SIP terminals. This hardware-level fast response mechanism is particularly suitable for security monitoring and industrial control scenarios that require instant communication. By integrating 1 relay output interface and 3.5mm line output port, it can also form linkage control with other automation equipment.
2. Diversified communication modes
SIP804T supports four main communication working modes:
Standard SIP intercom: No special software is required, point-to-point or multi-party calls can be realized directly through the SIP server
TCP audio broadcast: Transmit MP3/WAV files through the TCP protocol, support scheduled broadcast and emergency announcements
RTP multicast communication: Use multicast technology to achieve one-to-many audio distribution and reduce network bandwidth usage
Private protocol direct connection: Timed reminder and remote wake-up functions are realized through dedicated broadcast software
This modular design allows the device to be integrated into the traditional PBX system and can also be used as an independent node to build its own IP communication network. Actual measured data shows that in a 100Mbps Ethernet environment, a single device can support 8 concurrent calls at the same time, and the end-to-end delay is controlled within 80ms, which fully meets the needs of real-time communication.
3. Reliable performance in harsh environments
The device shell is made of high-strength engineering plastics and has passed the IP67 protection level certification. It can operate stably for a long time in harsh environments such as humidity and dust. The specially designed directional pickup system, combined with automatic gain control (AGC) technology, ensures clear voice capture within a range of 5 meters. The fanless passive cooling solution is used for heat dissipation to avoid the risk of mechanical failure.
The power supply has a wide adaptability range (DC 12-24V) and supports PoE power supply, which is convenient for deployment in building automation systems. The supporting management software supports the SNMP protocol, which can realize remote firmware upgrades, log management and status monitoring. Through the MODBUS/TCP protocol, it can also be deeply integrated with the SCADA system.
4. Typical application scenarios
Smart park management: installed in factory areas, warehouses and other areas, quickly call the security center through preset buttons
Transportation hub dispatch: realize multilingual broadcasting and emergency communications in subway stations, airports and other places
Medical and elderly care institutions: used for instant communication between nurse stations and wards, supporting background music playback
Retail business system: connect POS terminals and public broadcasting systems to achieve accurate push of promotional information
With the in-depth promotion of Industry 4.0 and smart city construction, high-reliability network terminals such as SIP804T will play an increasingly important role. Its open API interface and flexible configuration options provide developers with a broad space for innovation. Whether building a private cloud communication platform or integrating into an existing IoT ecosystem, this device has demonstrated strong adaptability and technological foresight.
