SCCM
2012 R2 is a great product that give you the ability to do a lot of things.
Since the beginning it give you the ability to manage mobile phones too,
act like MDM, encrypting...
Everything's available through Intune feature.
SCCM is a product on which I have a long and strength experience.
If you like you could take a look to following links with all blog's
related articles.
SCCM 2012 R2 - How to manage modern mobile Devices (like MDM or BB) with SCCM 2012 R2 and Intune
Here are some interesting articles/Microsoft guides
System Center 2012 Configuration Manager Survival Guide
http://social.technet.microsoft.com/wiki/contents/articles/7075.system-center-2012-configuration-manager-survival-guide.aspx
Microsoft Intune Survival Guide
http://social.technet.microsoft.com/wiki/contents/articles/23431.microsoft-intune-survival-guide.aspx