The query below will pull all calls since the entered date for the selected lskin broken down by day, total calls, and unique calls
SELECT s.tz_date, COUNT(DISTINCT(s.callid)) 'Total Calls', COUNT(DISTINCT(p.ani)) 'Unique Callers'
FROM vwXCall_ShortLong s
JOIN vwXCall_ShortLong_Platform p ON p.frn_callid = s.callid
JOIN dnis d ON d.lednis = p.dnis
WHERE d.add_lskinid = 76164
AND tz_date >= '2017-05-06'
GROUP BY s.tz_date
ORDER BY tz_date desc