Disclosed are some implementations of systems, apparatus, methods, and computer program products for facilitating the configuration of a softphone. A client machine registers with a data provider via a network as a listener of navigation change events that each pertains to a corresponding Uniform Resource Locator (URL) visited by a user of the client machine. The client machine processes a message received from the data provider via a network, where the message includes event information regarding a navigation change event, the event information including information regarding a URL visited by a user of the client machine. The client machine updates a first part of a user interface in a web browser on a display device of the client machine based, at least in part, on the event information, a second part of the user interface displaying information received from the data provider. The first part of the user interface is configured to receive input initiating outgoing phone calls and display phone event information pertaining to incoming phone calls received from a phone system via a proxy server in communication with the client machine.