The second phase, which is scheduled for the second half of 2011, will add in the remaining Skype features, including video, instant messaging and presence (an indicator of whether a person is available for a conversation).

FORBES: Skype And Avaya To Combine Voice First, Video Later

As a result, operators can more effectively ensure a carrier-grade quality of experience for end users of High Definition voice and video, Web conferencing, instant messaging and presence, and other broadband-intensive mobile applications that go beyond the reliability of Skype, Apple FaceTime and other services suited for consumers but inadequate for the rigors of enterprise use.

FORBES: The Time Is Now For Mobile Operators To Monetize LTE