End-to-end IMS Application Development with Nokia Siemens Networks IDP Development Tools Authors Dennis Luemkemann and Manfred Jakesch show how to develop and test an IP Multimedia Subsystem (IMS) application with both a client and a server part, using the free standards-based development tools from the Nokia Siemens Networks IMS Developer Program and BEA WebLogic SIP Server (WLSS). Mar. 5, 2008