I finally got it back to work. This was in fact quite easy:I had SipFone application running. I just tried once to run SipFone and keep it in my openned applications. This does not impact Jabber untill your restart the iPhone. Then at the boot proces...
Playing with Notification center, un-install the application, reboot..., this does not help for me.I am using Cisco Jabber Voice 9.1.6 on iPhone5S IOS-7.1.I had the same issue with my old iPhone4 in dec. 2013. This was fixed by migrating my configura...