VoLTE subscriptions will account for over $280 Billion in annual service revenue, as mobile operators remain committed to VoLTE as the long term solution to secure a fully native IP-based telephony ex…
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VoLTE subscriptions will account for over $280 Billion in annual service revenue, as mobile operators remain committed to VoLTE as the long term solution to secure a fully native IP-based telephony ex…
( read original story …)