Busy Hour Call Minutes This topic has 0 replies, 1 voice, and was last updated 23 years ago by Audian. Viewing 1 post (of 1 total) Author Posts 12th October 2001 at 20:11 #33641 AudianGuest Looking to find out what is considered standard minimums for Busy Hour Call Minutes. Anyone know? Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.