delfin is a free VoIP and video phone application for iOS, available now from Apple AppStore:
- free calls to U.S. numbers, i.e. +1-xxx-xxxxxxxx, 30 min. limit.
- free calls to Russia toll-free numbers, i.e. +7-800-xxxxxxx, 8800-x.
- free in-network videophone calls, still "work in progress" at the moment.
Calling can be started without registration or payment.
An automatic in-network number will be assigned for incoming calls.