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Telephone quality inspection:land line telephone-fixed line telephone

Different kinds of telephones quality inspection:

Antique telephone,caller id telephone ,voip telephone ,hotel telephone,digital cordless telephone,analog 
cordless telephone,weatherproof emergency telephone;

Picture:
 Telephone inspection:land line telephone-fixed line telephone
Some 
common factors for telephone quality control:

1.Appearance:the surface of the product shouldn't have visible defects(dirty,Scratch mark,gap,etc)
2.Quantity
3.Workmanship:defective list
4.Bar code Scan
5.Logo 3M Tape test
6.The number keys check
7.voice test
8.packing & marking
9.the connecting line check
10.Basic function test
11.display screen check


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