If a 10-digit number of (212) 867-5309 was dialed, the 7-digit pattern would match and the first 7 digits of the call 212-8675 would be attempted. The easy fix to the previous challenge in major ...
This rule could be used to match on incoming 10 digit patterns and convert them to 5 digits. If 212-551-1212 was received, the pattern would be replaced with 11212 which could then match on a voip ...