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Voice over LTE (VoLTE)

Voice over LTE (VoLTE) empowers 4G LTE operators to offer rich voice, video and messaging services as a core offering.

Transformation of circuit-switched networks that carry voice to all-IP 4G LTE networks will realize cost advantages and recover inefficient spectrum for additional data capacity. With 4G, LTE operators can leverage service ubiquity, access mobility, global interoperability and universal user identity of phone number to enable continued monetization of voice and messaging. These fundamental values help mobile operators compete against the OTT web-based service providers and establish an environment where new user experiences can be offered to any generation of mobile devices.

Voice over LTE provides drastic cost savings and enables new services such as Video calling, multi device, single number and multimedia sharing services across mobile broadband devices. Mitel’s VoLTE solution is based on our innovative TAS product which provides service parity and supports 3GPP MMTEL, MAP and ANSI-41 services. The solution offers unique differentiators such as integrated IM-SSF to offer seamless service experience and mobility functions to enable seamless mobility across LTE, 2G, 3G and Wi-Fi networks.

Mitel’s solution gives mobile operators a time-to-market advantage using a single Mitel mOne® Convergence Platform that supports a wide variety services including VoWi-Fi, VoLTE, SMS/MMS over 4G, and RCS.

Voice over Wi-Fi (VoWiFi)

VoWiFi is the industry standard approach for mobile service providers seeking to deliver voice and SMS/MMS services over Wi-Fi.  With VoWiFi, mobile subscribers receive a seamless voice and messaging experience as they move between the macro cellular network and existing Wi-Fi networks such as those at home and the office. VoWiFi provides a low cost international roaming solution as users can make and receive mobile calls as if they were on their home network when connected to any Wi-Fi network around the world.

For mobile network operators, VoWiFi addresses indoor coverage challenges in the precise locations that are typically difficult to reach with the macro network. As a result, they can see lower churn due to improved service coverage as well as lower costs due to increased network offload. For mobile virtual network operators and other alternative mobile service providers, VoWiFi enables adoption of a Wi-Fi First strategy. With Wi-Fi First, all subscriber voice and messaging traffic when connected to Wi-Fi stays on net rather than using minutes and messages from their macro cellular network partner.