In some cases, the browser might display a message to ask for permission to use your mike, click on "Allow".
For the next phases, you can consult the "Incoming calls" or "Outgoing calls" sections.
NB/ To be able to fully benefit from the webphone function, we recommend to use the most recent version of your Google chrome browser.
The use of the Explorer browser is not recommended for accounting reasons.
For any questions, contact the Support.