What is BHCA (busy hour call attempts)?

BHCA is the quantity of calls endeavored at the sliding 60-minute period during which takes place the maximum total traffic load in a given 24-hour time frame (BHCA), and when the BHCA is increased then stress on the network processors also increases. BHCA is different from busy hours. BHCA is not to be mistaken with busy hour call completion (BHCC) which estimates the throughput limit of the network