Subscribers use smartphones that support VoWiFi to initiate voice or video calls when Wi-Fi connection is available.The Huawei VoWiFi solution complies with 3GPP specifications and uses the EPC (ePDG), SingleSDB (3GPP AAA), and IMS as the core control architecture. Common subscribers can access IMS networks through Wi-Fi hotspots and use HD voice and video services, implementing seamless handovers to VoLTE networks.
VoWiFi greatly improves indoor coverage, decreases cost of MVNO, provides cost efficient roaming solution, and increases carrier competitiveness.
VoWiFi helps operators to develop new business, increase user stickiness, and enhance competitiveness of voice solutions.
VoWiFi solution can well sovled the problem of indoor coverage network construction in early VoLTE.As a significant complement for VoLTE,It provides more high-quality communication services for subscribers.
VoWiFi helps MVNO to reduce huge rental costs. VoWiFi user can access any Wi-Fi. It can help operators to decrease air interface rent, make more profits
VoWiFi solution support international roaming call.It permits user access to home country EPC network when abroad. Operators can provide users with relatively inexpensive roaming services for more high-end users.