I. Functional Overview
1. Wall-mounted installation, aluminum alloy die-cast housing with a wall thickness of not less than 5mm, offering strong anti-vandalism performance.
2. Industrial triple-proof design, waterproof and dustproof rating meets GB/T 4208-2017 IP68.
3. Supports SIP 2.0 protocol, RJ45 interface, and no less than three SIP registrations.
4. Supports full-keypad dialing or automatic dialing, with three customizable function keys.
5. Built-in 5W speaker, externally equipped with a 12V incoming call indicator for audible and visual alerts.
6. Supports PoE power supply or AC/DC power supply.
7. Supports busy tone detection and call termination.
8. Supports both handset and hands-free calling modes.
9. Supports querying the local IP address and modifying the local IP address.
10. Features fluorescent and backlit keypad to meet dialing needs in low-light conditions.

II. Operation and Usage
1. On/Off Hook Method: The on/off hook method is controlled by the handset. Picking up the handset connects the call, and hanging up disconnects it.
2. Answering Calls: When there is an incoming call, the phone rings. Pick up the handset to talk to the other party, and hang up the handset after the call ends.
3. Making Calls: Pick up the handset and dial using the standard telephone dialing method to communicate with the other party.

III. Main Technical Parameters
1. Supports connection to various types of network switches and SIP broadcast dispatch servers.
2. Temperature: -40℃ to 75℃; Relative Humidity: 10% to 95%; Atmospheric Pressure: 86 to 106 kPa; Ambient Noise: ≤100dB(A) 
3. Ringing Sound Level: ≥105dB with the door open; ≥85dB with the door closed.
4. Supports standard SIP 2.0 protocol, waterproof gland RJ45 interface.
5. PoE power supply or DC 9V-24V 1A power supply.
6. Built-in speaker standard 2W, customizable from 2W to 5W.



IV. Packaging Dimensions
Unit Dimensions: 355*260*130 (mm)
Outer Box Dimensions: 439*277*191 (mm)
Packaging Materials: Pearl cotton, carton
Gross Weight: 7KG
Net Weight: 6KG