XML Browser Developer’s Guide for Yealink IP Phones4Depending on the IP infrastructure, Yealink has supported developing the XMLbrowser capability of the phones using HTTP. Yealink IP phones support two modes forXML browser applications: Phone-initiated Server-initiatedYou can press the predefined XML Browser key to trigger the phone initiatedapplication of XML browser. After you press the key, the IP phone issues an HTTP(s)GET request message to the server, waits for the answer, decodes and displays thisresponse message like any web browser, such as Microsoft Internet Explorer or Firefox,and would do as a web client. For more information on how to configure an XMLBrowser key, refer to Configuring an XML Browser Key.Figure1 Yealink IP phone acting as a clientThe server initiated application would be more frequently used on the network. In thismode, end users do not need to do any configuration and operation.The server can push an XML object to the phone via an HTTP POST. For moreinformation, refer to XML Objects Pushed to the Phone.