Unison Server™ is the world's first truly unified communications server. It includes fully-integrated e-mail, instant messaging and presence, an IP-PBX, a calendar server and an LDAP directory with contacts. Administrators manage everything via Unison Control Panel. Click to view the components and protocols we use.
Call center-class IP-PBX built in, with patented scaling technology
LDAP with global, departmental and personal address books
High-performance e-mail server with antivirus and antispam built in
Integrated XMPP-based instant message and presence server
Advanced CalDAV-based calendaring with group scheduling
One admin panel controls the corporate directory, telephone, email and more
View Unison's components, protocols and RFCs
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The use or sale of Unison software is prohibited in the following countries or US states: Texas, Virginia, Wisconsin, Cuba, Iran, North Korea, Libya, Sudan, Syria, or any country to which the U.S. has embargoed goods.