Altigen MAXCS ACC 6.0 Administration Manual page 389

3. From the Exchange Management Console, go to Organization Configuration >
Unified Messaging > UM IP Gateways > New UM IP Gateway.
a. Enter a name for the AltiServ server.
b. Enter the IP address or fully qualified domain name of the AltiServ server.
c. Select a dial plan that describes your system's dial plan.
4. In Recipient Configuration > Mailbox right-click the user and select Enable
Unified Messaging. Click Browse and select the dialing plan to be used, then click
OK to have the selected dialing plan entered in the Unified Messaging Mailbox
Policy field.
5. Select PIN setting(s), and click Next.
6. In the Extension Configuration screen, enter the user's MAXCS extension number in
the Manually entered mailbox extension field and click Next (for each user,
make sure the extension number is the same in MaxAdmin and the Exchange User
Mailbox):
Chapter 28: Microsoft Exchange Integration
MAXCS ACC 6.0 Administration Manual 375