In the recent Telecom Asia LTE Insights supplement, author John C. Tanner explores the emergence of VoLTE with its many complexities. The article features extensive insights from Tanner’s interview with iBasis CTO Ajay Joseph, regarding the benefits of taking VoLTE globally. The supplement also includes a detailed description of the pros and cons of the different VoLTE roaming models proposed by GSMA and 3GPP, as well as iBasis’ unique hybrid “best of both worlds” VoLTE roaming model, which delivers optimal quality, control and time-to-market for international VoLTE.