By the end of 2013, global LTE-related cellular subscriptions surpassed 230.9 million, 3.3 percrent of mobile subs, and will continue to grow at a CAGR of 36.6 perent between 2014 and 2019, exceeding 2 billion. The extensive presence of LTE networks is also stimulating the deployment of VoLTE. By the end of 2014, there are expected to be 59.6 million VoLTE subscriptions in place, and it is expected that nearly 56 percent of LTE-related cellular subscriptions will be using VoLTE services by the end of 2019.
