Try putting the numbers like this: Cell no example: (11) 1557737333
+5491157737333 +54 Country 9 cellphone 11 area 57737333 actual cell number Diego -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/f3Wdd0x8Y40J. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.