| Registered Values |
| Assigned Number | Content Type | Registrant | Other Information |
| 0x0201 | application/vnd.uplanet.cacheop-wbxml | Matthieu Lachance | - |
| 0x0202 | application/vnd.uplanet.signal | Matthieu Lachance | - |
| 0x0203 | application/vnd.uplanet.alert-wbxml | Matthieu Lachance | - |
| 0x0204 | application/vnd.uplanet.list-wbxml | Matthieu Lachance | - |
| 0x0205 | application/vnd.uplanet.listcmd-wbxml | Matthieu Lachance | - |
| 0x0206 | application/vnd.uplanet.channel-wbxml | Matthieu Lachance | - |
| 0x0207 | application/vnd.uplanet.provisioning-status-uri | Matthieu Lachance | - |
| 0x0208 | x-wap.multipart/vnd.uplanet.header-set | Matthieu Lachance | - |
| 0x0209 | application/vnd.uplanet.bearer-choice-wbxml | Matthieu Lachance | - |
| 0x020A | application/vnd.phonecom.mmc-wbxml | Matthieu Lachance | - |
| 0x020B | application/vnd.nokia.syncset+wbxml | Riku M. Mettala | Contains data synchronisation settings |
| 0x020C | image/x-up-wpng | Fergus Wills | Optimisation of PNG for wireless devices |
| 0x0300 | application/iota.mmc-wbxml | Soma Santhiveeran | 3GPP2 IP-Based Over-the-Air Activation (IOTA) protocol content that is exchanged with the mobile device to read/write arbitrary parameters for remote device management |
| 0x0301 | application/iota.mmc-xml | Soma Santhiveeran | 3GPP2 IP-Based Over-the-Air Activation (IOTA) protocol content that is exchanged with the mobile device to read/write arbitrary parameters for remote device management |
| 0x0302 | application/vnd.syncml+xml | OMA DS WG | The content type indicates the OMA Data Synchronization (XML) MIME Media Type |
| 0x0303 | application/vnd.syncml+wbxml | OMA DS WG | The content type indicates the OMA Data Synchronization (WBXML) MIME Media Type |
| 0x0304 | text/vnd.wap.emn+xml | Fergus Wills | Used for notification of email via OMA BAC Push Service |
| 0x0305 | text/calendar | OMA DS WG | Content type indicates iCalendar MIME Media Type (RFC2445) |
| 0x0306 | application/vnd.omads-email+xml | OMA DS WG | The content type indicates the OMA Data Synchronization Email Data Object (XML) MIME Media Type |
| 0x0307 | application/vnd.omads-file+xml | OMA DS WG | The content type indicates the OMA Data Synchronization File Data Object (XML) MIME Media Type |
| 0x0308 | application/vnd.omads-folder+xml | OMA DS WG | The content type indicates the OMA Data Synchronization Folder Data Object (XML) MIME Media Type |
| 0x0309 | text/directory;profile=vCard | OMA DS WG | The content type indicates the vCard 3.0 MIME Media Type |
| 0x030A | application/vnd.wap.emn+wbxml | Fergus Wills | WBXML encoded version of email notification content type as specified by WAP-297-EMN Specification & enabler release EMAIL |
| 0x030B | application/vnd.nokia.ipdc-purchase-response | Karina Terekhova | This content type will be used in conjunction with IP Datacast content distribution, for recognising the rights objects delivered for this type of content. These ROs will have a predefined structure of metadata and will require certain processing. |
| 0x030C | application/vnd.motorola.screen3+xml | Bin Hu | This content type is used by SCREEN3 application |
| 0x030D | application/vnd.motorola.screen3+gzip | Bin Hu | This content type is used by SCREEN3 application |
| 0x030E | application/vnd.cmcc.setting+wbxml | Fan Xiaohui | This content type is used by mobile email client for OTA provisioning. |
| 0x030F | application/vnd.cmcc.bombing+wbxml | Fan Xiaohui | This content is used by mobile email client for device clearance. |
| 0x0310 | application/vnd.docomo.pf | Hidetoshi Ueno | This Content-type identifies the data for the DoCoMo PF applications. |
| 0x0311 | application/vnd.docomo.ub | Hidetoshi Ueno | This Content-type identifies the data for the DoCoMo UB applications. |
| 0x0312 | application/vnd.omaloc-supl-init | Julien Grange | This content type provides a format for exchange of SUPL INIT messages between a SUPL Location Platform and a SUPL Enabled Terminal. Please refer to published specification : Secure User Plane Location |
| 0x0313 | application/vnd.oma.group-usage-list+xml | OMA PAG WG | - |
| 0x0314 | application/oma-directory+xml | OMA PAG WG | - |
| 0x0315 | application/vnd.docomo.pf2 | Hidetoshi Ueno | This Content-type identifies the data for the DoCoMo PFversion 2 applications. |
| 0x0316 | application/vnd.oma.drm.roap-trigger+wbxml | OMA DRM WG | This content type identifies WBXML encoded ROAP triggers in OMA DRM |
| 0x0317 | application/vnd.sbm.mid2 | Shinji Uetsuki | |
| 0x0318 | application/vnd.wmf.bootstrap | Thinh Nguyenphu | The purpose of this Content Type number is to be use in with in WiMAX Forum Over-the-Air Provision bootstrap specification. |
| 0x0319 | application/vnc.cmcc.dcd+xml | Wen Liangsheng | This content type identifies the data for the china mobile DCD applications. In DCD application,the DCD Server will send WAP Push Message to DCD client in order to trigger the contents synchronization event. This content type is used to achieve this purpose. |
| 0x031A | application/vnd.sbm.cid | Shinji Kusakari | This type number is used for identifying cid application push message |
| 0x031B | application/vnd.oma.bcast.provisioningtrigger | Uwe Rauschenbach | This trigger is used by the OMA BCAST Service Provisioning Function to inform a terminal about out-of-band provisioning events. |
| 0x031C | application/vnd.docomo.dm | Hidetoshi Ueno | This ID is used for device management applications. |
| 0x031D | application/vnd.oma.scidm.messages+xml | Wenjun (Kevin) Zeng | - |
| 0x031E | application/vnd.innopath.wamp.notification | Takanori Sudo | A notification message for InnoPath DUOS client applications |