T-Mobile has revealed that it will launch its Mission Critical Push-to-Talk (MCPTT) this month. The carrier didn't give an exact launch date, but said the service will go live in April. The MCPTT will ...
Related To: AT&T Inc. Five years ago, we reshaped the industry when we launched our Enhanced Push-to-Talk (EPTT) with Integrated Dispatch. Many businesses have countless employees working in the field ...
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