VoLTE
Voice Over LTE (Long Term Evolution)
A standard allowing voice calls to be placed over an LTE network.
See: LTE
VoLTE also updates voice connections to use a more more modern packet-switching technology, instead of old, inefficient circuit switching.
See: Packet Switching
See: Circuit Switching
Most LTE networks worldwide were launched initially supporting only data service. A stop-gap technology called CSFB allowed phones to use LTE for data and 2G or 3G networks for voice.
See: CSFB
VoLTE allowed LTE (4G) networks to completely replace 2G and 3G networks. It also eliminated the need for CSFB.
Last updated Feb 11, 2022 by Rich Brome
Editor in Chief Rich became fascinated with cell phones in 1999, creating mobile web sites for phones with tiny black-and-white displays and obsessing over new phone models. Realizing a need for better info about phones, he started Phone Scoop in 2001, and has been helming the site ever since. Rich has spent two decades researching and covering every detail of the phone industry, traveling the world to tour factories, interview CEOs, and get every last spec and photo Phone Scoop readers have come to expect. As an industry veteran, Rich is a respected voice on phone technology of the past, present, and future.