From 2G to 5G: a complex evolution for operators![](https://eu-images.contentstack.com/v3/assets/blt3d4d54955bda84c0/bltd4b3544ae9889fd8/654ce1471d9363040ab35718/network-cable.jpg?width=700&auto=webp&quality=80&disable=upscale)
5G & 6G![](https://eu-images.contentstack.com/v3/assets/blt3d4d54955bda84c0/bltd4b3544ae9889fd8/654ce1471d9363040ab35718/network-cable.jpg?width=700&auto=webp&quality=80&disable=upscale)
From 2G to 5G: a complex evolution for operatorsFrom 2G to 5G: a complex evolution for operators
The introduction of LTE means that operators have to run multiple networks in parallel: the circuit-switch network for 2G, 3G and the IP Multimedia Subsystem (IMS) to support voice, video and messaging on the LTE network.