Altigen AltiWare OE Version 4.6 Administration Manual page 361

Figure 17. General window, Extension Configuration
Make sure that the E-mail Name field contains alphanumeric
characters only and does not contain other characters such as spaces
( ) or periods ( . ).
3. In Exchange Administrator, ensure that for each mailbox in Microsoft
Exchange Server to be synchronized, the First Name and Last Name
are exactly as they appear in their corresponding extensions in
AltiAdmin.
AltiWare OE System Installation & Administration Manual
Data and Internet Integration
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