Est. Budget: $100.00
I need a Perl script which takes a long lists of phone numbers and detects what phone numbers are valid. Script has CGI interface, allows to load CSV file, run calls and download result of calls. Calls made by SIP protocol using sip trunk. Source file has one phone number in each line. Result file has in each line: phone number;sip result code;Q.850 result code. Q.850 code is fetched from sip response message in header Reason ...