Customers often using “Skype for Business” for their internal chat and presence function/feature as this is fitting into the MS office product range. Most of the time it is a standard for them. It would be good if 3CX could offer a Lync/SfB client plugin which allows 3CX voice and 3CX video calls. Avaya uses such a plugin which allows the customers using a less cheap SfB/Microsoft license. http://www.rmaug.org/Presentations/14Fe ... ations.pdf In this presentation you see how they “dock”, integrate into the SfB client.