We supply a software application that is run on Remote Desktop servers (each client has their own Virtual Server). One of the areas I am currently researching is to provide the ability for users to click on a "Call" button in our application, and dial the number (whilst connected to the RDP). I have found a couple of solutions that will allow me to press the "Call" button, which will then dial the recipient's number (along with the user making the call), which in theory, should be ok - but I am yet to test it and am interested in all options.
For me, the perfect solution would be for users to be able to plug in a headset on their local laptop, run the application on the Remote Desktop and call - without impacting server performance in any way. Or, if they have a phone system already in place - somehow dial through that.
Any pointers, products, suggestions - would be massively appreciated.