Details：
304 stainless steel casing, this phone has features such as one button automatic alarm, one button cyclic dialing, and one button automatic intercom. It is an essential communication device for elevator emergency assistance and a convenient communication device for clean room intercom. The default hands-free normal dialing mode requires wearing headphones.

Details：
It is specially designed for emergency help phones in van elevators, clean rooms of pharmaceutical factories, dust-free workshops and other places. This phone has features such as one-key automatic alarm, one-key cyclic dialing, and one-key automatic intercom.

Details：
Based on the technology of VOIP phones, a SIP video and voice intercom product developed specifically for the needs of industry users. The voice transmission adopts the standard IP/RTP protocol, which is perfectly compatible with all current mainstream SIP-based IPPBX/softswitch/IMS. Platforms, such as Asterisk, Broadsoft, 3CX, Elastix, etc., provide convenience for users to quickly deploy equipment.

Details：
A cost-effective SIP intercom product specially developed for the needs of industry users, with exquisite appearance, powerful functions, integrating intelligent security, audio intercom and broadcasting functions, and high cost performance. It supports wall-mounted installation, suitable for indoor and outdoor scenes, and can provide users with high-quality communication intercom services.

Details：
304 stainless steel shell, this phone has the features of one-key automatic alarm, one-key cyclic dialing, one-key automatic intercom and so on. It is an essential communication device for emergency help in elevators, and it is also a convenient communication device for clean room intercom.

Details：
The shell of the phone is made of high-strength stainless steel SUS304, and the surface is brushed (painted), which is resistant to wear and corrosion. The shell has a grounding device and is completely electrically isolated from the internal circuit, has a certain electromagnetic shielding effect, has dustproof, anti-noise, anti-riot characteristics, and the protection level of the whole machine reaches IP54