详情描述

1. The system boasts strong expansion compatibility, supporting standard SIP 2.0 (RFC3261) and related RFC protocols.

2. With a display screen, it can show incoming and outgoing call numbers, call duration, etc.

3. Speaker and microphone sensitivity are adjustable; optional voice coding methods include G.729, G.723, G.711, G.722, G.726, and more.

4. The internal circuit of the telephone uses a universal double-sided integrated circuit, featuring accurate dialing, clear communication, and stable operation.

5. Aluminum alloy die-cast housing, high mechanical strength, and strong impact resistance.

6. The outer shell surface is high-temperature electrostatic powder coating, with excellent antistatic properties and eye-catching colors.

7. Our company manufactures the handles, hooks, and keyboards for critical components in-house, ensuring strict quality control and quick response to after-sales inquiries.

Communication Protocol

SIP2.0(RFC-3261)

Audio Amplifier

2.4W

Volume Control

Adjustable

Support Agreement

RTP

Encoding and decoding

G.729、G.723、G.711、G.722、G.726

Power Supply Method

12V(±15%)/1A DC OrPoE

LAN

10/100base-TX s Auto-MDIX, RJ-45

WAN

10/100base-TX s Auto-MDIX, RJ-45

Overall Weight

3Kg

Installation Method

Wall-mounted

Applicable to environments with special requirements for moisture-proof, fire-retardant, noise-resistant, dust-proof, and frost-proof in subway stations, pipeline tunnels, tunnels, highways, power plants, gas stations, docks, and steel mills, etc.

Usage Instructions:

1. Register on the server and make phone calls according to the server's dialing rules.

2. The called party hears the ringtone → picks up the handset to answer the call, and both parties engage in a normal conversation.

3. Hang up the receiver after the call ends.