80 operators in 42 countries are investing in VoLTE deployments, studies or trials, including 14 operators who commercially launched HD voice service using VoLTE.
Download the list of all VoLTE system investments (deployments, launches, trials, studies) in this short document, which is an extract from the Evolution to LTE report (January 7, 2015).
Copyright (c) GSA – Global mobile Suppliers Association
