Siemens Communications, a division of Siemens AG, announced that the company is extending its unified communications platform, <A HREF="http://www.eweek.com/article2/0,1895,2087607,00.asp?kc=EWNAVEMNL012607EOAD">OpenScape, to IBM's Lotus Sametime.</A> Currently OpenScape is designed to work with Microsoft products only. The new application, which features click-to-contact, click-to-conference, advanced presence, and instant messaging, is designed to work closely with Siemens SIP based telephony products, including their wireless VOIP (voice over IP) phones.