For 2017 MWC in Barcelona, we used the opensource EPC. We have not set down a date for our official release until today, since M-CORD engineer team is working on the enhancement to the performance of data plane software those days.
But for people who really want to try it before the official release 1.0, you can download it though this link: https://gerrit.opencord.org/#/admin/projects/vEPC