Multitech MultiVOIP 100 (MVP110 Quick Start Manual page 19

Configure Host MultiVOIP
database. The host database has the phone numbers of
all the MultiVOIPs available for communication on an IP
network. This database is downloaded to each Client
MultiVOIP as it comes online.
Click Add to begin building your phone directory database.
24. The Add/Edit Phone Entry dialog box displays.
In the Station Information group, enter the unique phone
number of the local device connected to Channel 1 in the
Phone Number box. For example phone number 101.
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