cell phone plans for first responders

What are the benefits of using an IP telephone corded telephone for your business

2022-10-28

What are IP telephones? IP telephones are telephones that use the Internet Protocol to transmit voice and other media over...

SIP Emergency Telephone

2022-07-07

Whole stainless steel body, solid and temperature bearable. Handsfree and loudspeaker, IP67. Support hotline call, can realize ring off automatically...

IP telephone Corded telephone

2022-06-29

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

Oil Drilling Platform Emergency Telephone Radio System

2022-06-15

Communication Problems in the Oil Industry, Digitization, clustering, and networking have become the inevitable trends in the application of wireless...

Certification

2022-06-15

Industrial Application of GSM Emergency Telephone Syste

2022-06-09

We specialize in manufacturing and selling stainless steel call system auto dial telephone waterproof telephone for prison use with CE...

SIP Voice gateway

2022-05-31

The SIP voice gateway used aluminum casting, high mechanical strength and strong impact resistance. Support SIP application, including before the...

Why choose us？

2022-05-27

The Changxinghuitong offers a wide selection of emergency telephone systems, weatherproof telephones, explosion-proof telephones, prison, school, hospital and so on....

How long for the warranty?

2022-05-27

We guaranty 24 months for products, usually, we will provide 3% free of cost accessories for each batch order. And...