At the heart of CALLUP's MDM+ platform a comprehensive Automatic Device Detection and Configuration component that picks up on new combinations of SIM's and mobile devices entering the network.
Once detected, and based on a preconfigured rules engine can provision and configure various services on the device. MDM+ supports OMA-CP and OMA-DM for these operations as well as enabling proprietary protocols to be plugged in.

CALLUP's MDM+ platform has a built-in campaign manager and SMSC (optional) which can be utilized for  for advanced subscription based services and operations:              
Managing the permissions and content of groups of phones – useful for managing fleet of devices by enterprises. Firmware updates over the air (FOTA) compliant with OMA FUMO Software components update compliant with OMA Software Component Management Object (SCoMo). 

Decisions on configurations and settings are done based on  CALLUP's Device Capabilities Table (DCT) which is regularly updated and contains information about thousands of devices.
Among the services that can be provisioned over the air :  

• Mobile Browsing: WAP, GPRS, UMTS, Proxy
• Mobile messaging: MMS, e-Mail
• Operator Logo and wallpapers
• Push to Talk
• Multimedia Streaming
• SIP, IMS
• Wi-Fi
• Instant Messaging and more