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Voice over Wi-Fi(VoWiFi)
VoWiFi (Voice over Wi-Fi) enables users to make crystal-clear, reliable voice calls over Wi-Fi—even in areas with poor or no cellular coverage. Our advanced VoWiFi solution seamlessly integrates with IMS platforms and features rapid deployment, HD voice, and intelligent handover between Wi-Fi and cellular networks.
Tailored for operators aiming to improve indoor coverage, reduce international roaming costs, and boost customer satisfaction, the system supports a wide range of terminals and diverse network environments. It empowers service providers to build smarter, more flexible communication infrastructures and deliver superior user experiences.
Key Benefits

Offer Cost-Effective International Roaming Services

Enhance Network Coverage

Expand Network Service Offerings

HD Voice And Video Service

99.999% System Availability

Highly-Secure Network Access

Offload Network Traffic

Ensure Voice Continuity
IPLOOK VoWiFi Solution To Enhance Competitiveness of Operators
- Wi-Fi Calling (VoWiFi) is an IMS-based voice calling technology similar to VoLTE. Based on ePDG, HSS/3GPP AAA and IMS, IPLOOK VoWiFi solution enables users to achieve high-definition voice or video calls over Wi-Fi , and seamlessly switch with VoLTE, when accessing the mobile network via Wi-Fi hotpots. Wi-Fi serves as the RAN to access the carrier’s EPC and IMS networks.
- The VoWiFi solution effectively supplements VoLTE. Operators can retain users and attract a broader user base with VoWiFi, exploring potential revenue streams.
Features
Highly populated areas
Dense high-rise building areas
Remote rural areas with poor signal
International roaming
FAQ
What is Voice over Wi-Fi (VoWiFi)?
Voice over Wi-Fi (VoWiFi), also known as Wi-Fi Calling, is an IMS-based communication technology that enables users to make voice and video calls over Wi-Fi networks instead of relying solely on cellular coverage. It improves call quality and connectivity in areas with weak or unavailable mobile signals.
How does VoWiFi complement VoLTE services?
VoWiFi works alongside VoLTE to provide seamless communication continuity. When cellular coverage is weak, users can automatically switch to Wi-Fi networks for voice and video calls without interrupting the communication session, improving overall user experience and service reliability.
What are the key business benefits of deploying VoWiFi?
VoWiFi helps operators improve indoor coverage, reduce international roaming costs, offload mobile network traffic, increase customer satisfaction, and expand service availability in difficult coverage areas such as high-rise buildings and remote rural regions.
Which network components are required for VoWiFi deployment?
Does the solution support seamless handover between Wi-Fi and cellular networks?
Yes. IPLOOK’s VoWiFi solution supports intelligent handover between Wi-Fi and cellular networks, enabling uninterrupted voice continuity when users move between Wi-Fi hotspots and LTE/5G mobile networks.
How secure is the VoWiFi solution?
The platform provides highly secure network access through carrier-grade authentication, encryption, and IMS security mechanisms. This ensures secure voice and multimedia communication across both public and private Wi-Fi environments.
What deployment scenarios are best suited for VoWiFi?
VoWiFi is ideal for highly populated urban environments, dense high-rise buildings, indoor enterprise environments, remote rural areas with poor cellular coverage, and international roaming scenarios where users need reliable and cost-effective voice connectivity.
How does VoWiFi help operators improve competitiveness?
By extending voice services beyond traditional cellular coverage areas, operators can enhance service quality, reduce churn, attract international travelers, improve network efficiency through traffic offloading, and deliver premium HD voice and video experiences across a broader range of devices and environments.