In the administration specification for frequency allocations in the private mobile radio sector 'Verwaltungsvorschrift fE-r Frequenzzuteilungen im nichtoffentlichen mobilen Landfunk (VVnomL)' dated February 2014, the first mention is made of frequency pairs for digital mobile radio which, in contrast to the previous.
TextFree is one of the simplest texting apps on the Android market. Without all the bells and whistles of some of the other free texting apps for Android, TextFree provides free text and picture messaging forever.
the ting app just calls texts messages but it's unclear if that's both mms/sms or just sms. Sending picture messages will count as a text being sent, but it will also require data, as the information cannot be processed through the regular voice channels and will require the data channel. This also applies for sending videos.