A Tandem/Toll Switch is a type of telephone central switching system that connects telco end offices without having a direct connection to the client. In other words, a Tandem Switch acts as a relay point for long-distance phone calls, allowing them to reach their intended destination efficiently.
Tandem Switches are also known as “Class 4 Switches” or “TDM Switches” and are specifically designed for circuit-switched phone calls that operate based on time-division multiplexing (TDM). Nortel Networks and Lucent are popular Tandem Switch manufacturers.
In the past, Tandem Switches were responsible for handling the majority of call recording and billing. However, as technology progressed, their functions were taken over by end office switches.
Frequently Asked Questions (FAQ)
What is the purpose of a Tandem/Toll Switch?
A Tandem Switch acts as a relay point for long-distance phone calls, allowing them to reach their intended destination efficiently.
What is the difference between a Tandem Switch and an End Office Switch?
While a Tandem Switch relays long-distance phone calls, an End Office Switch directly connects a customer’s phone line to the outside world.
Who manufactures Tandem Switches?
Popular Tandem Switch manufacturers include Nortel Networks and Lucent.
Final Thoughts
Tandem/Toll Switches are an important part of the telecommunication industry and have played a significant role in connecting people across long distances. However, with the advancement of technology, their functions have been taken over by more sophisticated systems that can handle multiple types of telecommunications.
