This audio encoding format has a coding rate of approximately 13 kilobits per second (kbps) or 1.6 Kilobytes per second (KBps). A message that is 1 minute long requires approximately 95.2 KB of storage space when encoded using the GSM 6.10 format. One hour of GSM 6.10 requires 5.6 MB of storage space. GSM 6.10-encoded messages occupy approximately 20% of the storage space used by G.711.