mysql> select campaign_id, call_date from vicidial_log where phone_number = '2028058485';
+-------------+---------------------+
| campaign_id | call_date           |
+-------------+---------------------+
| 41001       | 2015-06-17 11:57:19 |
| 42477       | 2015-06-26 10:01:27 |
| 43254       | 2015-07-01 11:32:22 |
| 45318       | 2015-07-10 12:26:33 |
+-------------+---------------------+