Tag: professional Weatherproof Telephones

06/01/2021

Function, operation and main technical parameters of emergency telephone

1. Function description 1) Wall mounted installation, beautiful appearance, magnetic door cover design; 2) SMC forged shell, strong corrosion resistance, waterproof and dustproof grade up to IP66; 3) It supports sip2.0 protocol and can register two SIP accounts; 4) Support free dialing or off hook automatic dialing; 5) Support automatic connection of incoming calls and… Continue reading Function, operation and main technical parameters of emergency telephone

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