But in joining the OTT VoIP crowd, mobile operators are quickly discovering that being popular doesn’t make mobile VoIP profitable — far from it. Infonetics’ estimation of the revenue per mobile VoIP subscriber is a mere US$7.13 annually.
For the OTT VoIP crowd, that reality means looking for other ways to make money — possibly through ad insertions or by providing the voice segment of a mashup that pulls in other third-party apps for which people will pay, such as presence or gaming, or by charging extra for video-conference or multi-party video.