___________________________________________________________________________________________________________YEALINK IP PHONE INTEROPERABILITY CONFIGURATION GUIDECOPYRIGHT © 2001-2009 YEALINK NETWORK TECHNOLOGY CO.,LTD PAGE 1 OF 10Contents1. Requirements and Preparation .......................................................................................................... 22. Configure Yealink IP Phone ............................................................................................................... 22.1 Login to WEB management .......................................................................................................... 22.2 Configure the Account Settings .................................................................................................... 32.3 Configure the DSS Key as BLF .................................................................................................... 42.4 Configure the DSS Key as Call Park ............................................................................................ 53. Auto-configure Yealink Phone ............................................................................................................ 64. Configure Datus ................................................................................................................................... 64.1 Login to Datus ............................................................................................................................... 64.2 Add a Subscriber ........................................................................................................................... 74.3 Active VoiceMail......................................................................................................................... 8Appendix................................................................................................................................................... 9Reference .................................................................................................................................................. 9