Highway Tunnel Emergency Assistance One-Button Alarm Intercom Telephone

I. Function Overview

1. Wall-mounted or embedded installation, aesthetically pleasing appearance, aluminum alloy body.
2. Supports SIP 2.0 protocol, capable of registering 3 SIP accounts.
3. Hands-free one-touch direct call, configurable for automatic answering of incoming calls, busy tone detection for call termination.
4. Supports AEC echo cancellation algorithm and environmental noise filtering technology.
5. Supports POE or DC power supply.
6. Supports one short-circuit input interface / two short-circuit output interfaces.
7. Supports custom upload and setting of call waiting tone.
8. Supports audio output interface, can connect to external active speakers.

II. Operation and Usage
1. Power On/Off Method: Power on/off is controlled via the hands-free button;
2. Answering Calls: When there is an incoming call, the phone rings. Press the hands-free button to talk with the other party, or wait for automatic connection;
3. Making Calls: Press the hands-free button to make a call. After the call, lightly touch the button to end the call;



III. Main Technical Parameters
1. Supports connection to various types of network switches and SIP broadcast dispatch servers.
2. Temperature: -20℃~65℃ Relative Humidity: 10%~90% Atmospheric Pressure: 86~106 Kpa Environmental Noise: ≤100dB(A)
3. Power Supply: 9V-12V/1A DC or POE
4. Sound Quality: Full-duplex echo cancellation (AEC) – Hands-free mode, up to 96ms echo delay cancellation.

5. Call Distance: Effective call distance in a noise environment not exceeding 70dB is not less than 90CM.



IV. Packaging Dimensions

Unit Dimensions: 190*110*42mm

Outer Box Dimensions: 350*190*85mm

Packaging Material: Carton

Gross Weight: 1.10KG

Net Weight: 0.75KG