SAN RAMON, Calif.--(BUSINESS WIRE)--The International Multimedia Telecommunications Consortium (IMTC) announces the successful completion of SuperOp! 2015. This is the premier telecommunications industry interoperability testing event for Unified Communications (UC) and multimedia technologies running the latest versions of industry standard protocols in various types of products and services. IMTC SuperOp! 2015 took place in Porto, Portugal May 15-23, where testing was conducted using software