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REDWOOD CITY, Calif. – May 24, 2017 – According to a recently published report from Dell’Oro Group, the trusted source for market information about the telecommunications, networks, and data center IT industries, all market segments that make up the Carrier IP Telephony market deteriorated in 1Q17. Nokia and Ericsson flipped in vendor ranking during the quarter.

“With a year-over-year decline of 19 percent and a quarter-over-quarter decline of 25 percent, you have to go back four years to the first quarter of 2013 to see similar declines Y/Y and Q/Q,” said Dave Bolan, Senior Analyst at Dell’Oro Group. “With an accelerated decline in legacy equipment, a soft service provider market, and reduced CAPEX out of China, we are forecasting a double-digit decline for all of 2017,” Bolan added.

Dell’Oro Group believes the legacy products are declining faster than the new use cases for virtualization, IMS, Voice over LTE (VoLTE), and Voice over WiFi (VoWiFi). Many Information Communications Technology managers and Service Providers are trying to sort out their digital transformation strategies for their respective corporations, thus making 2017 a transitional year. Even with low penetration rates, VoLTE and VoWiFi are key drivers for the market, and the long term forecast remains positive.

There was movement among the top three vendors during the quarter. While Huawei retained the top position, Nokia moved into second place and Ericsson slipped to third. These three vendors account for over 50 percent of the market.

About the Report

The Dell’Oro Group Carrier IP Telephony Quarterly Report offers complete, in-depth coverage of the market with tables covering manufacturers’ revenue, shipments, and average selling prices for both wireline and wireless voice core markets. The segments include softswitches, media gateways, session border controllers, voice application servers, IMS CSCF and HSS, and legacy mobile switching centers.  To purchase this report, please contact Matt Dear at +1.650.622.9400 x223 or email


Dell’Oro Group is a market research firm that specializes in strategic competitive analysis in the telecommunications, networks, and data center IT markets.  Our firm provides in-depth quantitative data and qualitative analysis to facilitate critical, fact-based business decisions.  For more information, contact Dell’Oro Group at +1.650.622.9400 or visit