Enabling Enhanced Messaging Service (EMS) Processing

Windows Mobile 6.5
A version of this page is also available for
4/8/2010

When the OS boots, it checks the system registry for the following key:

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HKEY_CURRENT_USER\Software\Microsoft\SMS\TextShared

This key contains a flag that specifies whether EMS processing is enabled on the device. EMS processing is disabled by default, however, you can enable this support yourself.

To enable EMS processing support:

  • Register the COM component's GUID by creating the following registry key, and giving it the following name/value pair.

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    HKEY_CURRENT_USER\Software\Microsoft\SMS\TextShared
    DWORD : EMSHandlerInstalled = 1

EMS is defined in 3GPP Technical Specification 23.040 "Technical realization of Short Message Service (SMS)". It can be obtained from this website http://www.3gpp.org/ftp/Specs/html-info/23040.htm.

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