emergency waterproof telephone factory

IP-telefoon Vaste telefoon

2022-07-26

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

Certificering

2022-06-15

Certificering

2022-06-15

Toepassing in een telefoon in metrostation

2022-06-09

Minstens 40 steden in China hebben nu hun eigen spoorvervoer. Over de Chinese metro's gesproken, mensen denken eerst aan...

SIP Spraakgateway

2022-05-31

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