What are voice packets and short MMS packets?

According to the information you provided, the voice packet is the call duration superimposed outside the Unicom package, and different regions provide different voice packet services. Short MMS packages, such as 4G short MMS package, 200 yuan domestic point-to-point SMS MMS package, 20 yuan domestic point-to-point SMS MMS package 400, 30 yuan domestic point-to-point SMS MMS package 600, respectively 10 yuan. After exceeding the package, it will be charged at 0. 1 yuan/package.