The SP VoIP & IMS report tracks quarterly market size, share, and trends for gateways, softswitches, SBCs, media servers, CSCF, HSS, and TAS. Vendors covered include Ericsson, Huawei, Mavenir, Metaswitch, Nokia, Oracle, Ribbon, and ZTE.
The Analyst Team
Leveraging 25 years of telecom industry and marketing experience, Diane is widely regarded as one of the top analysts in the enterprise communications and collaboration market. She is a meticulous researcher with expertise that includes identification of new markets and trends, product positioning, messaging, strategic planning, competitive analysis, and service-provider go-to-market strategy.
Diane joined Infonetics Research (now Omdia) in 2008. She leads Omdia’s enterprise collaboration practice with specializations in enterprise telephony, unified communications (UC), SBCs, UC as a service (UCaaS), SIP trunking, and the adoption trends of service providers and businesses. Diane has held many senior-level positions at BroadSoft, Stratecast Partners, FORE Systems, In-Stat, NCR, and Eastman Kodak. A consultant to startups, service providers, vendors, and the investment community, Diane helps clients to identify new market opportunities; provides due diligence; and advises on positioning, product development, and business plans. Diane received her bachelor’s degree from Michigan State University and her MBA from Thunderbird, School of Global Management.
Senior Analyst, Mobile Infrastructure
Stelyana focuses on mobile infrastructure, VoIP and IMS. She monitors mobile network infrastructure trends and activities, looking at key areas such as mobile operators’ 5G deployments, and developing vendors’ market share and mobile technology forecasts.
Stelyana has more than 15 years of telecommunications industry research and marketing experience. As a former research and analysis manager at Omdia, she led a research operations team that delivered high-quality products, and helped establish the cloud and data center research practice. Prior to joining Omdia in 2011, Stelyana was a business analyst at Hewlett-Packard and a research analyst at Life Science Strategy Group, where she contributed quantitative and qualitative analysis to support strategic business decisions.
Stelyana holds an MBA from San Jose State University, US, and a Bachelor of Science and a Master of Science in economics, both from Sofia University, Bulgaria.
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