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Simulate Message Communication

Messages arrive at a communication line according to a two-phase hyperexponential distribution with phase probabilities 0.4 and 0.6. The average arrival times for the two phases are 4.8 milliseconds and 0.8 milliseconds, respectively. Simulate the process for 100 milliseconds.

Wolfram Language code: communicationLine = RenewalProcess[HyperexponentialDistribution[{0.4, 0.6}, {1 / 4.8, 1 / 0.8}]];
Wolfram Language code: ListLinePlot[RandomFunction[communicationLine, {0, 100}, 3], Filling -> Axis, InterpolationOrder -> 0, ImageSize -> 300]
Shown is the mean number of arrivals during the first 100 milliseconds:
Wolfram Language code: Mean[communicationLine[100]]
Wolfram Language code: Mean[RandomVariate[communicationLine[100], 10 ^ 2]]//N