Subscribers use smartphones that support VoWiFi to initiate voice or video calls when Wi-Fi connection is available.Huawei VoWiFi solution complies with 3GPP specifications. It based on the EPC (ePDG), SingleSDB (3GPP AAA), and IMS as the core control architecture.When common subscribers access network under Wi-Fi hotspots, they can enjoy HD voice & video service and seamless handover between VoLTE and VoWiFi.

VoWiFi greatly improves indoor coverage, decreases cost of MVNO, provides cost efficient roaming solution, and increases carrier competitiveness.

Customer Value

Cost-efficient Roaming Solution

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.

Improved Indoor Coverage

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

Enhance Competitiveness 

VoWiFi helps operators to develop new business, increase user stickiness, and enhance competitiveness of voice solutions.

Reduce Air Rental Cost

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

Technical Topics

Technical Analysis on Huawei VoWiFi Solution

VoWiFi greatly improves indoor coverage, decreases network rent, provide cost-efficient roaming solution, and increases carrier competitiveness. Huawei VoWiFi solution supports untrusted WLAN-based native VoWiFi and app-based VoWiFi.

Related Solutions


The Huawei VoLTE solution evolves from CS to all-IP VoLTE networks to provide HD voice, HD video, and rich media services for subscribers.

ICS Solution

The ICS solution provides unified services experience for 2G/3G subscribers and IMS subscribers, and simplify network architecture and O&M.

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