What is full form of STD? The full form of STD is mentioned in this article. The content is related to STD Full Form so find STD Full Form here.
What is std full form?
STDfull form is Subscriber Trunk Dialing
STDfull form is Sexually Transmitted Disease
Subscriber Trunk Dialing
Subscriber Trunk Dialing implies that STD was a talking medium before Android and personal phones. Go now people use Normally. This was an important solution at that time to stay connected with any distant relatives and ask about the situation.
Subscriber Trunk Dialing The telephone was connected between the two lanes. This was useful for exchanges where tolls were taken from vehicles. It was called Trunk and Toll. It is a local unit.
At this time, this plan was made with the aim of preventing vehicles from taxing and checking the vehicle easily. This was an important feature.
Different codes are set for different states in STD calls. This is the need to connect the call. Without this code, a call in that area is not possible. This code is 2 to 4 digits. This way is also different for every country. This is for Security and Validity.