Can't join in my own Server



Hello everybody! I started a Server with my friends for Minecraft PE 0.12.1. The server The server API 1.6. They're able to join my server, but i'm not :( i have the same version and used the right IP. The server does not appear and when I click on it, is because that no connection can be made. What i should do to fix this?
(sorry for my bad english)
Thanks for your attention!