M1 to offer voice over LTE calls

4G customers can get it at no additional charge.

M1 will offer voice over LTE (VoLTE) calls for its customers, which will allow calls to be connected faster and will offer higher quality voice communications compared to standard voice calls. 

The 4G Voice feature is designed to work seamlessly between M1’s 3G and 4G networks, to deliver uninterrupted conversation to customers.
 

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