Application
Subways, pipe corridors, tunnels, highways, power plants, oil stations, docks, steel plants, etc., and has special requirements for moisture, fire, noise, dust, and frost.
Features
◆The system has strong compatibility and supports standard SIP 2.0 (RFC3261) and related RFC protocols;
◆Support one-button direct call dispatcher function; three function keys can be set arbitrarily;
◆Full-duplex intercom function;
◆The sensitivity of the speaker and microphone can be adjusted; optional voice coding methods such as G.729, G.723, G.711, G.722, G.726;
◆The phone case is patented, waterproof, dust proof, no need for waterproof cover, beautiful and practical;
◆The circuit inside the telephone adopts the international universal double-sided integrated circuit, which has precise number and call,
Clear, stable work and other advantages;
◆Aluminum alloy die-cast housing, high mechanical strength and strong impact resistance;
◆The surface of the outer casing is electrostatically sprayed at a high temperature, which has good antistatic property and is striking in color;
◆The key parts handles, hanging forks and keyboards are all produced by our company. The quality control is strictly controlled, and the after-sales response is fast.