Secure Platform, Easy to use and Main feature is amazing - Global calling anywhere and anytime. We can make calls with teams using carrier of our choice. It is cost effective solution as pickup rates are significantly higher when the calling number is local. No additional License required Review collected by and hosted on G2.com.

Nothing much downside I could think of. May be, in APAC they need to scale up to lot of other countries. Right now they are available in only 15 countries. Review collected by and hosted on G2.com.