Robin Good: Cisco Jabber is a multi-platform and multi-device collaboration and communication platform which provides text chat/instant messaging, video-conferencing, telephony and voicemail and which can escalate to full-blown web-conferencing and collaboration sessions.
Cisco Jabber utilizes the XMPP protocol allowing interoperability with other instant messaging systems.
Ciso Jabber is available for Windows, Mac, Web, iOS, Android, Blackberry and Nokia devices.
Download for Windows: http://bit.ly/CiscoJabberWin
Download for Mac: http://bit.ly/CiscoJabberMac
Video intro: http://bit.ly/CiscoJabberGettingStartedVideo
Find out more: http://www.cisco.com/web/products/voice/jabber.html