Speakerphone

◆ The system has strong expansion compatibility and supports standard SIP 2.0 (RFC3261) and related RFC protocols.

◆ Support one-key direct call dispatcher function; urgent call function keys can be arbitrarily set up.

◆ Full-duplex intercom function.

◆ The sensitivity of speakers and microphones can be adjusted; optional G.729,G.723, G.711, G.722, G.726 and other voice codecs code method.

◆ The internal circuit of the telephone adopts the international general double-sided integrated circuit, with It has the advantages of accurate numbering, clear calls, and stable work.

◆ The surface of carbon steel is electrostatically sprayed, with high mechanical strength and impact resistance powerful.

◆ The handle, fork and keyboard of key parts are all made by our company. Production, strict quality control, fast after-sales response quick.

Scope of application

It is suitable for subways, pipe corridors, tunnels, highways, power plants, gas stations, docks, steel plants and other places, in environments with special requirements for moisture-proof, fire-proof, noise-proof, dust-proof and freeze-proof.

Instructions:

1. Register to the server and customize the number of the call key. When using, the caller presses the hands-free button, and then presses the call key to automatically dial the pre-stored number → the called party's phone rings

2. The called party hears the ringtone → press the button to answer the call, the two parties talk normally

3. When the call ends, press the hands-free button to hang up