Vivacom Launches 4G VoLTE, WiFi Calling Using Ericsson Solutions

Vivacom, Bulgaria’s largest telecom operator in terms of revenues, has started offering 4G voice calling or VoLTE as well as WiFi calling service in the country. As part of an earlier contract Swedish telecom gear maker Ericsson has partnered with the operator to provide the required technology and solutions.

Vivacom is extending its contract with Ericsson to deploy 4G Voice service and Wi-Fi calling. With the pre-integrated Fast VoLTE Launch solution, the service’s deployment time has been significantly reduced. The agreement builds on Vivacom’s existing Ericsson Evolved Packet Core network and adds virtual IP Multimedia Subsystem (vIMS).

According to the latest Ericsson Mobility Report, VoLTE subscriptions are expected to grow exponentially worldwide and reach 5.4 Billion during 2023.

Vivacom’s customers will benefit from high-quality, simultaneous communication and data services on their devices. The VoLTE solution opens up further possibilities to enable HD voice+ and music within calls, video communication and IP messaging.

Monica Zethzon, Head of Communication Services at Ericsson, says: “With the deployment of our Fast VoLTE Launch solution, Vivacom has substantially reduced the time for deploying communication services while also opening up for a broad range of new communication capabilities to their customers.”

Radoslav Zlatkov, CTO, Vivacom, says: “The Bulgarian market is highly competitive, so we want to be out front with the best technology and customer experience. Our long-standing partnership with Ericsson makes it possible for us to leverage the latest innovations to help offer our customers a continuously improved communication services experience.”

The Fast VoLTE Launch solution, a complete pre-integrated virtual IP Multimedia Subsystem (IMS), includes network functions such as virtual Multimedia Telephony Application Server (vMTAS), virtual Session Border Controller (vSBC), virtual Call Session Control Function(vCSCF), virtual Message Resource Function (vMRF) and virtual IPWorks. The solution also includes NFV infrastructure with Ericsson BSP 8100 telecom-grade hardware and the OpenStack-based virtual infrastructure manager, Ericsson Cloud Execution Environment.

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