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REDWOOD CITY, Calif. – August 24, 2015A recently published report from Dell’Oro Group, the trusted source for market information about the telecommunications, networks, and data center IT industries, revealed that SBC and IMS Core revenues together rose nearly 23 percent Y/Y.  The continued upswing in spending on these segments is being driven by adoption of Voice over LTE (VoLTE) and Voice over WiFi (VoWiFi) services.


“Despite the continued decline in voice usage on a per-user basis, there are a few strong drivers that are contributing to growth of certain parts of the service provider voice infrastructure market.  These are VoLTE, VoWiFi, SIP Trunking and the continued conversion of service provider networks to carry VoIP,” said Chris DePuy, Vice President of Carrier IP Telephony research at Dell’Oro Group.  “Taken together, these drivers are expected to push growth in Session Border Controllers, Voice Application Servers and IMS Core,” DePuy explained.


About the Report

The Dell’Oro Group Quarterly Carrier IP Telephony 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 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