# Thoughts4U

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The content provided here is intended for educational and research purposes only. 

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Are you new to signaling systems?

Do you know the difference between Voice, Data, and Signaling?

* <mark style="color:red;">**Data**</mark> - The Internet uses <mark style="color:orange;">data packets</mark> flowing through Routers and ASs. This is a digital network and is called a <mark style="color:green;">**PACKET SWITCH (**</mark><mark style="color:orange;">**PS**</mark><mark style="color:green;">**) network.**</mark>
* <mark style="color:red;">**Voice**</mark> - The voice is older than the data, the old version uses ANALOG circuits to transfer the voice end-to-end, this is called a <mark style="color:green;">**CIRCUIT SWITCH (**</mark><mark style="color:orange;">**CS**</mark><mark style="color:green;">**)**</mark> network. This type of network requires some intelligence in the network - NGIN (Next Generation Intelligence Networks)
* <mark style="color:red;">**Signaling**</mark> -&#x20;

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