Table of ContentsiTable of Contents ....................................................................... iAbout This Guide ...................................................................... iiiWho should use this guide? ........................................................................................ iiiSummary of Changes ................................................................................................. ivChanges for Release 80, Guide Version 80.81 ..................................................... ivChanges for Release 80, Guide Version 80.80 ..................................................... ivChanges for Release 80, Guide Version 80.60 ..................................................... ivChanges for Release 80, Guide Version 80.20 ..................................................... ivChanges for Release 80, Guide Version 80.6 ........................................................ vChanges for Release 80, Guide Version 80.5 ........................................................ vChanges for Release 73, Guide Version 73.16 ...................................................... vChanges for Release 72, Guide Version 72.60 ...................................................... vChanges for Release 72, Guide Version 72.30 ...................................................... vChanges for Release 72, Guide Version 72.2 ....................................................... viChanges for Release 72, Guide Version 72.1 ....................................................... viChanges for Release 71, Guide Version 71.165 ................................................... viChanges for Release 71, Guide Version 71.140 ................................................... viChanges for Release 71, Guide Version 71.111 ................................................... viChanges for Release 71, Guide Version 71.110 ................................................... viXML and Yealink IP Phones ...................................................... 1What is XML? ................................................................................................................ 1XML Format ................................................................................................................... 2Functionality .................................................................................................................. 3How does it work? ........................................................................................................ 4Phone initiated application ..................................................................................... 4Server initiated application .................................................................................... 4XML display control and keys on Yealink IP phones ................................................ 5Yealink IP Phone XML Objects ................................................. 9XML Object Definitions ................................................................................................ 9TextMenu Object .................................................................................................... 10TextScreen Object .................................................................................................. 19InputScreen Object ................................................................................................ 25Directory Object ..................................................................................................... 38