voip with id spofing - repost

[login to view URL] program must execute the following steps: [login to view URL] a phone number from the database, the table `numbers`; [login to view URL] the number. a)If you answer the call, play a preset message. i)If call duration is less than the length of the message, calling that number again. If this happens the same (or no answer), then add the number `called_fail`. ii)If the duration of the call is the same as the length of the message, then proceed with the next number from the `numbers` tabel, and the number is added to the table `called_succ`. b)If the call has no answer, the number will be call once again. If the call has no answer again, add the number in table `called_fail`. d3exter: [login to view URL] the table `apelate_fail` calling the numbers within 24 hours after the last call, and no more than 4 times.