A user calla from one Cisco Jabber for Windows softphone client to another. After the call is established, the desktop share button .s greyed out. Which two device configurations are possible causes for this issue?

A.	On the CSF device, the Ignore Presentation Indicators option is checked.
B.	On the SIP profile for the device, the Allow multiple codecs in answer SDP option is unchecked.
C.	On the CSF device or SIP profile, the Allow Presentation Sharing Using BFCP option is unchecked.
D.	On the CSF device, the Use Trusted Relay Point option is set to On.
E.	On the SIP profile for the device, the Allow iX Application Media option is unchecked.