tunnelbana nödtelefon

SIP Cleanroom Telefon

2022-07-07

Utrustningens yta är platt, den sterila rumstelefonen tillverkad med avancerad teknik, använd PE-filmpanel, ingen ström...

IP-telefon Telefon med sladd

2022-06-29

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

SIP inbyggd nödtelefon

2022-06-22

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

gruvdrift utomhus industriell telefon

2022-06-16

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