The Pipedrive integration can be used on any web browser that supports Tel Links. Enable the Tel Link feature and allow Portal.maqsam.com as the default handler to make calls directly from Pipedrive.
You need to enable the Tel Link feature on your browser in order to be able to make calls using Pipedrive. Make sure you click "Allow" once your browser asks for permission to use the Tel Links.
Or navigate to Protocol Handlers in your browser Settings and add Portal.maqsam.com as the default tel link.