emergency waterproof telephone factory

IP telephone Corded telephone

2022-07-26

Have you ever used a landline phone in your home? Know how he uses it? IP telephone Corded telephones receive...

Certification

2022-06-15

Certification

2022-06-15

Application in A telephone in subway station

2022-06-09

At least 40 cities in China now have their own rail transit. Speaking of China's subways, people first think of...

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...