Meaning : Ground start trunk
Category : Telecommunications
Sub Category : Telephony
What does GS TRUNK mean or stand for ?
GS TRUNK is used in your landline telephones.When you pick up the receiver you always hear a dial tone right?In order for you to get that dial tone,your phone sends a signal to the telephone exchange that will ground or neutralize an electric circuit and then give you a beep.This was used in american payphones and is still used in some private telecom networks.