How to test the PCB board function for industrial call telephone ?

Today our workshop is testing the PCB board function for industrial call telephone.

We would like to show the test video to introduce this process.

There will be a  test machine which could connect  between the PCB board and telephone handset.Using  this machie could  test whether the PCB board  is   good  or  bad.

Ningbo Joiwo is always pay attention to improve the product quality to suitable nowadays market.And we could support OEM & ODM service according to our customers’demand.

If you have any idea  about our industrial analog/Voip telephone  for ourdoor or indoor ,Ningbo Joiwo Explosionproof  warmly welcome your requirement, with professional R&D and years of experienced engineers, we can also tailor our solution to meet your specific business needs.