Calculates number of PBX telecommunications channels for given traffic load using Erlang B and Engset algorithms
Number of devices busy simultaneously in a time unit
The failure of calls due to an insufficient number of lines being available allowed per each 100 calls
The caller percentage who immediately retries the call in case of failure
The calculator gives telecom traffic in Erlang for given time span and total call duration.
The calculator works out bandwidth required to handle given number of VOIP calls with given audio codec.