I've been using these simple recorders for years to record calls from employees and give them recommendations and feedback. The recorder does an excellent job of recording and playing back at a decent volume. Speech Sensitivity is good for saving tape by letting you set the recorder to only record when someone is speaking. If you use this setting, make sure your phone's volume is high enough for the voice recorder to hear the person speaking. The counter is also a must have when replaying calls for educational purposes as it allows you to hear and record which numbers on the counter to pause and play the recording for the agent to hear. This is the only thing I have used these recorders for and they have always done this function well.
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