This document describes the different possible causes and their possible solutions of the setup issues, device issues, search issues and secure connect issues of Cisco Jabber for Android.Cisco Jabber for Android provides users with Enterprise VoIP calling and access to the corporate directory while users are connected to the corporate network.
With Cisco Jabber for Android, you can do the following:-
Cisco Jabber registration fails or times out.The following list describes different possible causes for and solutions to registration failure or timeout conditions:
Change the Enable LDAP SSL setting on the device page in Cisco Unified Communications Manager and relaunch the application.
The device icon in the Unified CM Administration pages does not appear.
Try the following:-
Try the following:
Cisco Jabber for Android gets 503 response repeatedly from UCM while trying to register.
Cisco Jabber for Android device is enabled with Cisco Unified Mobile Communicator. While it was being group reset via the Admin portal and before the new device instance wass completely ready, the Jabber client sent in Wifi registration and immediately unregistered itselk right after its WiFi registration is accepted. Refresh registration after that was always rejected with 503.
The workaround - Device needs to be deleted and re-added by Admin
Cisco Android Guides