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 In order to resolve sender numbers, an installed MetaDirectory is required. The Meta Directory is liable to costs. This setting is not available if you selected "Store ixi-UMS messages only locally". 
 The connection data to the MetaDirectory must be entered. The MetaDirectory data base can be installed on the ixi-UMS Business-server or on another server. 
 The sender numbers are searched for in the fields: 
 
 
 
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Version ixi-UMS_6_Business_SR3