Global market revenue of VoIP and IMS equipment revenue 2017-2023, by product

Service providers' revenue from voice over Internet Protocol (VoIP) and IP multimedia subsystem (IMS) equipment amounted to around four billion U.S. dollars in 2018, down from 4.3 billion in 2017. In 2018, Call Session Control Function (CSCF) servers for IMS networks generated 1.25 billion U.S. dollars in product revenue. Slowing voice over long-term evolution (VoLTE) network deployments and lowered prices resulted from competitive factors are reasons behind the market decline.

Service providers' VoIP and IMS equipment revenue by product worldwide from 2017 to 2023

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Release date

August 2019



Survey time period

2017 to 2018

Supplementary notes

* Forecast

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