Scope Of Application
Suitable for use in subways, pipe corridors, tunnels, highways, power plants, oil stations, docks, steel plants, etc., and has special requirements for moisture, fire, noise, dust, and frost.
◆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.