Research points to 52% CAGR for SIP trunking, $76.1B VoIP market by 2015

While residential services continue to make up the bulk of VoIP service revenue, new research predicts major growth in the business segment, driving combined business and residential/SOHO VoIP services revenues to grow to $76.1 billion in 2015.

Infonetics Research, in its latest VoIP and UC Services and Subscribers report, forecast revenues from SIP trunking services would reach a 52 percent compound annual growth rate between 2011 and 2015; it projected the number of seats for hosted business VoIP and unified communications services is on track to more than double during the same time period. The number of residential and small office/home office (SOHO) subscribers to hosted VoIP services is expected to grow from 179 million in 2011 to 262 million worldwide by 2015.

Overall, the report, which tracks vendors and service revenue in the residential/SOHO and business VoIP and unified communications market, said those two factors would drive the segment.

"We've increased our short and long-term forecasts for the voice over IP services market, as adoption in the residential, SOHO, and business segments continues unabated" said Diane Myers, directing analyst for VoIP and IMS at Infonetics Research. "The residential segment continues to make up the majority of VoIP services revenue, but the real growth is in the business segment, particularly SIP trunking services and hosted VoIP and unified communication services. Following a healthy 2010, the overall VoIP services market is on track to grow another 17 percent in 2011."

Infonetics also said that continued demand for cloud-based services has helped IP Centrex and hosted unified communication service revenue grew 22 percent, with a corresponding increase in seats of 25 percent in the first half of 2011 compared to the second half of 2010.

Meanwhile, strong uptake of VoIP services in the residential market has seen the three leaders of the global residential VoIP services market--NTT (NYSE: NTT), Comcast (Nasdaq: CMCSA) and France Télécom (NYSE: FTE)-- continue to add new VoIP subscribers in their respective regions.

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