The network feature which allows ongoing calls to be seamlessly switched between 4G and 2G/3G access networks. SR-VCC is essential for VoLTE networks that do not benefit from ubiquitous LTE coverage (in which case 2G/3G coverage fills in the gaps).
Get your weekly dose of telecoms terminology delivered straight to your inbox!
We promise, no spam - just clear-cut telecoms terms to keep you on top of your game.
Our YouTube channel offers over a hundred free videos (and counting!) covering a range of technology topics.
Subscribe to our channel to be the first to know when we release new videos:
Use this no-obligation free trial to get a taste of what it's like to be an Mpirical student.
Included with the trial is an all-access pass to the LearningZone, which contains learning tools and other useful resources to help you make the most of your training.