Reply To: How many KB/MB are used per/min w/VOIP? 22nd April 2003 at 16:23 #24208 Jose QuinteroGuest Mike, asuming tha the person will speak for a 1 minute witout silence. You will have Codec G.723.1 = 125 Kbytes Codec G.729 = 176 Kbytes Codec G.711 = 586 Kbytes Regards JIQ