baby_1
Advanced Member level 1
Hello
could you tell me how phone line transfer and receive our voice?
as you know when we answer the phone the voltage of phone line decrease to 8volt.i make this experience(Make to phone Parallel)
in the left circuit when i speack to one of the telephone i can hear my sound very good.but in right circuit i hear my sound difficulty.why?what is difference between my battery voltage and phone line voltage?
could you tell me how phone line transfer and receive our voice?
as you know when we answer the phone the voltage of phone line decrease to 8volt.i make this experience(Make to phone Parallel)
in the left circuit when i speack to one of the telephone i can hear my sound very good.but in right circuit i hear my sound difficulty.why?what is difference between my battery voltage and phone line voltage?
