According to Infonetics Research, the market for VoIP services has gone mainstream in many developed countries, with new geographic regions opening up and SIP trunking, hosted unified communications (UC) and cloud telephony fueling growth.
- The global VoIP services market, including residential and business VoIP services, totaled $63 billion in 2012, up 9% from 2011.
- Due to continued demand for enterprise cloud-based services, hosted VoIP and UC services revenue grew 17% in 2012 from 2011, the most of any segment.
- SIP trunks jumped 83% in 2012 from the previous year, as multi-site businesses adopt SIP trunking for cost savings and flexibility.
- Managed IP PBX services, which focus on dedicated enterprise systems, remain the largest business VoIP services segment, and sales grew 9% in 2012.
- NTT retains its leadership as the world's largest residential VoIP service provider in 2012, with 7.6% of global subscribers, followed by Comcast and France Télécom; all three providers continue to add new residential VoIP subscribers in their respective regions.
- The combined business and residential VoIP services market is forecast to grow to $82.7 billion in 2017.