SIP Emergency Handsfree Explosion Proof Telephone JWBT831P
Engineered for hazardous industrial zones, the JWBT831P is a SIP 2.0 explosion-proof emergency telephone featuring a rugged 304 brushed stainless-steel enclosure and a high-power loudspeaker for clear, full-duplex hands-free communication in noisy environments. Its prominent single-button design enables one-touch speed dialing even when wearing heavy safety gloves, while seamless compatibility with mainstream IP-PBX and industrial dispatch platforms makes it ideal for offshore platforms, petrochemical plants, mines, and ports.
Rugged 304 Stainless-Steel Enclosure
Built with shock-resistant, anti-rust 304 brushed stainless steel and WF2 salt-spray protection, designed for harsh offshore and high-corrosion chemical environments.
Standard SIP 2.0 Integration
Seamlessly compatible with mainstream IP-PBX, industrial dispatch systems, and VoIP servers. Features web browser management, remote firmware upgrades, static/DHCP IP settings, and dual SIP server redundancy for uninterrupted site communication.
Glove-Friendly, One-Touch Hands-Free Calling
Handset-free design with a single prominent speed-dial button, instantly connecting to the control room even when wearing heavy safety gloves. Enables full-duplex, hands-free bidirectional audio.
Industrial Noise Reduction & High-Volume Audio
Equipped with an advanced G.168 echo cancellation and noise-suppression algorithm alongside a high-power built-in speaker, ensuring clear voice output in high-decibel factory settings.
Dual Power Supply & Surge Protection
Supports standard IEEE 802.3af PoE for simplified cabling, plus DC 12–24V power input for flexible deployment. Includes integrated network surge protection for electrical reliability.
Certified Explosion-Proof Design
ATEX/IECEx certified for explosive hazardous zones, featuring explosion-proof cable glands and an easy-access wall-mount layout.
Optional Expansion Features
Supports external beacon/alarm light triggers, SIP group broadcast paging, and remote operational status monitoring.
| Item | Technical data |
| Explosion-Proof Mark | Ex d ib IIC T6 Gb/EX tD A21 IP66 T80℃ |
| Voltage | DC 12V / PoE |
| Standby Work Current | ≤0.2A |
| Frequency Response | 250～3000 Hz |
| Amplified Output Power | 10～25W |
| Ringer Volume | 110dB(A) at 1m distance |
| Corrosion Grade | WF2 |
| Ambient Temperature | -40～+60℃ |
| Atmospheric Pressure | 80～110KPa |
| Relative Humidity | ≤95% |
| Lead Hole | 2-G3/4” |
| Installation | Wall-mounted |
Each unit is meticulously packaged to strictly comply with international export and logistics standards. We utilize multi-layered packing materials—including anti-static bags, moisture-proof sealing, and high-density shock-absorbent foam—to ensure maximum protection during long-distance transit. All external heavy-duty cartons are clearly marked with standardized handling, weight, and compliance labels, guaranteeing safe, damage-free delivery and smooth customs clearance for global industrial deployments.
Engineered specifically for extreme environments and explosive atmospheres, the JWBT831P emergency telephone provides reliable, mission-critical communication across high-risk industrial sectors:
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Oil & Gas (Offshore & Onshore): Offshore drilling platforms, oil refineries, and petrochemical processing facilities exposed to explosive gases and corrosive salt spray.
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Heavy Chemical & Industrial Processing: Chemical manufacturing plants and wastewater treatment facilities requiring robust chemical resistance and WF2 salt-spray protection.
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Mining & Energy Facilities: Coal and metal mines, power generation stations, and hazardous material storage zones with dense ambient noise and dust.
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Maritime & Logistics Hubs: Ports, seaside cargo terminals, and marine transfer stations operating under harsh maritime conditions.
Joiwo provides complete communication system solutions for hazardous and industrial environments, integrating explosion-proof hands-free telephones, IP networks, communication servers, control centers, and optional PA or video systems. From field communication to centralized control, Joiwo delivers reliable, safe, and scalable solutions for oil & gas, chemical plants, refineries, offshore platforms, mining, and other demanding applications.
