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subway emergency telephone

Telepon Ruang Bersih SIP


The surface of the equipment is flat, the sterile room telephone made with advanced technology, used PE film panel,  no power...
Telepon IP Telepon Berkabel


IP telephony refers to any telephone system that uses an Internet connection to send and receive voice data. Unlike regular...
Telepon Darurat Tertanam SIP


Embedded Emergency Telephone for emergency and daily communication, it is weatherproof and durable. Can be designed to dial numbers automatically,...
mining outdoor industrial telephone


The outdoor industrial telephone has a standard analog phone, phone line powered. There are also SIP/VoIP, GSM/3G versions, and aluminum...