Have you already configured a device on your CUCM cluster? If not, please follow the admin guide - http://www.cisco.com/en/US/docs/voice_ip_comm/jabber/iPad/Admin_doc/output/b_Jabber_for_iPad_admin_guide_chapter_010.html#task_15D8898B81DF484EAF66ADBD27CA2C11
I seen the same issue before I properly installed the COP file, and configured a device in CUCM. Hopefully, this information will help you.
Sent from Cisco Technical Support iPad App. Please excuse any spelling or grammar errors.