The following are estimates for the amount of bandwidth used in an audio call when using specific codecs. The estimate is for a single direction only and assumes one phone being used. If your provider charges for uploads you will need to double the estimates given.
|Codec||1 Minute||1 Hour|
|G729||234 Kilobytes||13.71 Megabytes|
|PCMA (g711)||654 Kilobytes||38.32 Megabytes|
|PCMU (g711)||654 Kilobytes||38.32 Megabytes|