A group of users can be created with a purpose of receiving voice announcements through the speaker of a telephone set, but it has to be in the waiting mode.
Polycom CX700 is a premium-class phone for working with Microsoft Office Communications Server 2007 and Lync ™ Server 2010. This unit provides direct user access to all necessary resources of Microsoft OCS 2007 without using a computer with a built in Microsoft Office Communicator.