For those outside of your network or organization, cloud video conferencing solutions can offer guest invitations that require no plug-ins to use, so they can call you just as easily as you can call others within the company.
The simpler it is to use, the more people will want to use it.
Difficult user interfaces and remote controls with dozens of buttons just slow down the collaboration process. The simpler your video calling system is to use, the more people will want to use it every day. It doesn’t get much easier than one-click directory dialing and one-click screen sharing for collaboration.