This is a process of connection between a computer and an ordinary phone. For example, one can call from Skype to a cell phone by dialing a specific number.
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.