Lolu uhlelo lokusebenza oluyisibonelo sendlela isistimu ye-DTMF engasetshenziswa ngayo ukuthumela idatha ngomsindo futhi le datha iqoshwe umamukeli.
Lolu uhlelo lokusebenza oluyisibonelo lokubonisa ukuthi Ithunyelwa kanjani Idatha usebenzisa uhlelo lwe-DTMF
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Aga 24, 2026