Service provider VoIP, IMS market jumps 31 percent to $5.5B in 2015, says research firm

Driven by wireless operators' moves to roll out VoLTE to users in EMEA and Asia Pacific, worldwide service provider VoIP and IMS revenue rose 31 percent to $5.5 billion in 2015, according to a new IHS study.

During the fourth quarter of 2015, the global service provider VoIP and IMS market totaled $1.4 billion, up 3 percent sequentially over the third quarter.

Vendors saw growth in the SBC (session border controller) and IMS equipment segments. SBCs, voice application servers and IMS core elements posted solid year-over-year growth. IMS equipment revenue made up 65 percent of VoIP and IMS revenues during the fourth quarter. IHS noted that vendors are seeing "pockets of growth in gateways and softswitches in a given quarter" due to replacements of older voice equipment. Five vendors, including Ericsson, Alcatel-Lucent, Huawei, ZTE and BroadSoft, saw over 35 percent year-over-year revenue growth. Release

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