I think my old LG VX8700 (from 2007) had this functionality as well. Interestingly, it only recorded the other side of the conversation (not powerful enough to

I think my old LG VX8700 (from 2007) had this functionality as well. Interestingly, it only recorded the other side of the conversation (not powerful enough to record both phone-in and mic-in at the same time?). I wonder what caused manufacturers to start removing the feature.