When planning for Office Communications Server 2007 R2, use the information in the comparison table below to determine which features and capabilities you want to provide for your organization and which clients you will deploy.

Office Communications Server 2007 R2 Client Comparison Table

Feature/capability Communicator 2007 R2 Communicator Web Access Group Chat Live Meeting Office Communications Server Attendant Communicator Mobile Communicator Phone Edition Outlook Add-in

Presence

Publish and view status

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View status based on calendar free/busy information

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View status notes and out-of-office messages

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Add a custom location

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Add a custom note

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Contacts and Groups

View contact list

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Modify contact list

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Tag contacts

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Control access levels

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Search corporate address book

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Search Outlook contacts

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Manage contact list groups

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Expand distribution groups

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Search for Response Groups

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Display recent contacts group

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Display current conversations group

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Display alternate contact views (for example, tile)

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Feature/capability Communicator 2007 R2 Communicator Web Access Group Chat Live Meeting Office Communications Server Attendant Communicator Mobile Communicator Phone Edition Outlook Add-in

Instant Messaging

Initiate IM with a contact

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Navigate among multiple IM conversations

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Log IM conversations in Outlook

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Initiate an e-mail to a contact

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Use prepared conversation templates

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Conferencing

Add computer audio

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Add video

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Participate in multiparty IM

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Share the desktop

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Share an application

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Add anonymous participants

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Use dial-in audio conferencing

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Initiate a Live Meeting

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Schedule a meeting or conference

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Feature/capability Communicator 2007 R2 Communicator Web Access Group Chat Live Meeting Office Communications Server Attendant Communicator Mobile Communicator Phone Edition Outlook Add-in

Telephony

Initiate a voice call

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Click to call a contact

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Manage call forwarding

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Manage team call settings

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Manage delegates

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Initiate a call to a Response Group

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Connect to voice mail

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Manage calls on behalf of another contact

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Manage high volumes of calls

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External User Support

Initiate IM with a public contact

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Initiate IM with a federated contact

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Conduct two-party or multiparty calls with external users

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Feature/capability Communicator 2007 R2 Communicator Web Access Group Chat Live Meeting Office Communications Server Attendant Communicator Mobile Communicator Phone Edition Outlook Add-in

Group Chat Rooms

Join a persistent discussion forum

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Send messages to a chat room

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Access persistent content (text, links, and files)

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Mobile Access

Call from mobile device using work identity (“Call via Work”)

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Receive calls dialed to work number (single number reach)

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Publish mobile presence tag

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Archiving and Compliance

Client-side archiving

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