Privacy is dead: For multiple months, any O2 customer has had their location exposed to call initiators without their knowledge.HomeBlog articlesO2 VoLTE: locating any customer wit…ContentsIntroductionO2 UKSignalling messagesWhat I'd like to see changeConclusionNotes Introduction Voice over LTE (VoLTE) is a way to make calls via an internet-based protocol on mobile networks using a standard called IP Multimedia Subsystem (IMS). IMS implementations have historically caused trouble due to their in...