Microsoft Internet Explorer 5.5Avaya Ip600 Media ServersMicrosoft Internet Explorer 5.0.1Microsoft Internet Explorer 6.0Microsoft Ie 6.0Avaya Definity One Media ServerAvaya S3400Avaya S8100Nortel Ip Softphone 2050Microsoft Windows 2000Nortel Mobile Voice Client 2050Nortel Optivity Telephony ManagerMicrosoft Windows 2003 Server EnterpriseMicrosoft Windows 98seMicrosoft Windows MeMicrosoft Windows XpNortel Symposium Web Centre PortalNortel Symposium Web ClientMicrosoft Windows 2003 Server Enterprise 64-bitMicrosoft Windows 2003 Server R2Microsoft Windows 2003 Server WebMicrosoft Windows 98