Admin Guide - VoIP software provider

sql help:sql tutorial: http://www.w3schools.com/SQL/sql_intro.aspstored procedures: http://msdn.microsoft.com/en-us/library/aa174792(SQL.80).aspxstring functions: http://msdn.microsoft.com/en-us/library/aa258891(SQL.80).aspxlike operator: http://msdn.microsoft.com/en-us/library/aa933232(SQL.80).aspxexample:DECLARE @ret_callernumber varchar(35)DECLARE @ret_callednumber varchar(35)SET @ret_callernumber = @callernumberSET @ret_callednumber = @normcallednumberIF (@calledid = 456 and @ret_callednumber LIKE '1_23%')BEGINSELECT '_REJECT'RETURN 1ENDIF (@calledid = 457 AND (LEN(@ret_callednumber) < 5 OR ISNUMERIC(@ret_callednumber) = 0))BEGINSET @ret_callednumber = '1234567'ENDIF (LEN(@ret_callednumber) > 6 AND LEFT(@ret_callednumber,3) = '061')BEGINSET @ret_callednumber = '36'+SUBSTRING(@ret_callednumber,3,35)ENDIF (@ret_callednumber LIKE '5222%')BEGINSET @ret_callednumber = SUBSTRING(@ret_callednumber,5,35)ENDSELECT @ret_callednumber+’,’+@ret_callednumber+','+@ret_callednumber+',,'+@ret_callernumberRETURN 1If the stored procedure doesn‟t run successfully, then it will have no effect.