Altigen Altiware OE 4.5 System Administration & Installation Manual page 318

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.
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Data and Internet Integration
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