This is the 12th edition of Ovum's Enhanced Telco Communications Tracker. It comprises data on operators' commercial launches of VoLTE, Wi-Fi calling, VoWiFi, RCS, and WebRTC.
Europe, Middle East & Africa team: +44 7771 980316
Asia-Pacific team: +61 (0)3 960 16700
US team: +1 212-652-5335
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