PSTN (Puplic Suitshed Telephone Network)

[ceaser]

Hi all

I want to know how PSTN network works

(call waiting ,man hole ,hand hole ,cabling, .......................etc)

any information ahout PSTN will be useful for me

PSTN=(Puplic Suitshed Telephone Network)

 

[dkk]

Hello
Pl find attached a brief article about PSTN.
DKK