Longest matching for international numbers... In many-core networks, when you receive a RAW CDR, you cannot find an exact destination because of the same prefix for many countries, so you need a solution to match each B number with the actual prefix of each destination.
##The below-attached python can be used in Monitoring and rerating of telecom CDRx of all revenue streams. This means that you can match each B number with originating of its country's destination to charge them.