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RE: It makes more calls recording ? |
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The implementation of this feature really comes down to how much volume of voice recordings to store, for how long of an interval to store them. This is an exercise in logistics, having enough HD space at each server location, predicting recordings growth, etc.
Just to get an appreciation of the volume, consider the following calculation. Using the G.711 µ-law vocoder, every second of stored voice recording consists of 64,000 bits. The size of the audio file representing a voice recording can be calculated with the following formula:
1 minute of stored voice = 60 seconds * 64000 bits = 3840 Kb = 480 KB
With 200 minutes of stored voice recording, the disk storage is at least 96,000 KB, or 96 MB, in size, which works out to an average of 28.8 MB per hour.
It becomes apparent that storing recordings indefinitely is not realistic, so choosing the right strategy to do this properly, is quite important.
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