WBXML and Windows Mobile Devices
WAP Binary XML (WBXML) Content Format is a compact binary representation of XML that retains functionality and semantic information while reducing transmission size.
Windows Mobile 6.5 supports WBXML both for OMA Client Provisioning, and for OMA Device Management (OMA DM). For more information about WBXML with these protocols, see one of the following:
For information about WBXML in general, see WAP Binary XML Content Format Features.