Mobile Virtual Network Operators (MVNOs) – using its mobile network, voice over LTE and WiFi calling across its 4G mobile network. Optus claims it is the first mobile carrier network operator in …
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Mobile Virtual Network Operators (MVNOs) – using its mobile network, voice over LTE and WiFi calling across its 4G mobile network. Optus claims it is the first mobile carrier network operator in …
( read original story …)