Compare Unison to Microsoft

Unison offers a more powerful solution than Microsoft's unified communications offering. Deployment is simpler and much more rapid. Total cost of ownership (TCO) is also far lower than a Microsoft solution.

Here is an example of the time and costs for a 100-user deployment:

Upfront costs

  Unison Microsoft ‘semi-unified’ communications
Hardware
  • 1 server for Unison Server™
  • 1 server for Exchange Server 2007
  • 1 server for Office Communications Server (OCS) 2007
  • 1 server for Active Directory®
  • 1 standalone PBX (eg Nortel/Avaya)
IP telephone 100 telephones 100 telephones
Software
  • Linux server (RedHat or CentOS)
  • Unison Server™ license
  • 100 copies of Unison Desktop™
  • 3 copies Windows Server 2003
  • Exchange Server license
  • OCS 2007 license
  • 100 Exchange client access licenses (CALs)
  • 100 OCS CALs
  • 100 copies of Office Communicator
  • 100 copies of Microsoft Outlook 2007(Optional, if not owned)
Deploymentapproximate 46 hours 155 hours

Features included

  Unison Microsoft ‘semi-unified’ communications
Server OS Linux Windows Server
Client OS Windows (Linux coming soon) Windows only
Client(s) needed per user 1 client 2+ clients
Directory built in Yes LDAP X Active Directory® deployed separately
Email server Yes Yes
Calendars and scheduling Yes Yes
Contacts (personal and GAL) Yes Yes
User presence, free/busy status Yes Yes In separate client
Instant messaging Yes X In separate client
Telephone Yes X
PBX system Yes X Not included – must
be purchased separately
Instant contact finder Yes X
Instant email message search Yes Must upgrade to Outlook 2007,
install extra app
Antispam and antivirus Included in server Yes X

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