- The device supports wideband, high-definition voice encoding technologies such as L16G and G.722, delivering clearer and more natural audio quality compared to conventional narrowband voice transmission.
- It is compatible with a broad range of standard audio codecs, including G.711 A-law and μ-law, G.726, G.729A/B, G.723, and iLBC, enabling flexible deployment across different communication networks and ensuring interoperability with existing telephony systems.
- Voice Activity Detection (VAD) is supported to intelligently identify periods of silence, helping to reduce unnecessary bandwidth usage during calls.
- Comfort Noise Generation (CNG) is integrated to provide a natural background sound during silent intervals, improving the overall listening experience and preventing abrupt audio dropouts.
- The system incorporates Automatic Jitter Buffer (AJB) technology to compensate for network delay variations, ensuring smoother and more stable voice transmission over IP networks.
- Advanced Acoustic Echo Cancellation (AEC) is employed to minimize echo effects in hands-free communication scenarios, enhancing call clarity in noisy or reflective environments.
- Automatic Gain Control (AGC) continuously adjusts audio levels to maintain consistent volume, ensuring clear communication regardless of variations in speaking distance or background noise levels.
Roadside Emergency Telephone
The SC-WR03 Roadside Emergency Telephone is ideal for applications in noisy environments such as steel factories, tunnels, power plants, oil fields, docks, residential areas, schools, large production workshops etc.
Description
Brief Introduction
The SC-WR03 Roadside Emergency Telephoneis designed for reliable operation in harsh and high-noise environments. It is well suited for use in locations such as steel plants, tunnels, power stations, oil and gas fields, docks, residential communities, schools, and large-scale industrial workshops. Built with a robust, weather-resistant enclosure, the WR03 ensures stable communication even under demanding conditions. The product fully complies with international standards and certifications, including CE, RoHS, ISO 9001:2008, and TÜV, guaranteeing quality, safety, and dependable performance.
Product Features
- The roadside emergency telephone is constructed from advanced composite materials, providing a robust and durable housing that effectively withstands impact and vandalism.
- Rated to IP65, the unit offers strong protection against water ingress, humidity, dust, and low-temperature conditions, making it suitable for outdoor and harsh environments.
- Multiple communication options are supported, including SIP protocol, traditional analog signaling, and fiber-optic connections, allowing flexible system integration.
- The telephone allows the storage of several preprogrammed speed-dial numbers for rapid access to emergency services.
- It features automatic ring detection and auto-answer functionality, with an integrated loudspeaker enabling hands-free communication when required.
- Built-in busy tone detection ensures automatic call termination, improving line availability and system efficiency.
- Visual status indicators are provided to display incoming calls and the current operational state of the device.
- A wide range of power supply options is available, including PoE as well as 12V, 24V, and 220V power inputs, to accommodate different installation scenarios.
- The system supports VoIP operation based on standard SIP network protocols, ensuring compatibility with modern IP telephony infrastructures.
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Dimension Diagram
FAQ
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