Ericsson Cloud VoLTE and Evolved Communication

Ericsson's offering for Voice over LTE (VoLTE) allows operators to offer high quality communication services using all-IP technology over LTE based mobile broadband. VoLTE enables a modern communications experience to users including services like HD voice, HD+ voice (EVS), video calling, IP messaging, content sharing within calls, voice for IoT (Cat-M1) and new service innovations. These services work for any device types that support the technology; smartphones, tablets, smartwatches, wearables and Cat-M1 IoT devices.

The Ericsson Cloud VoLTE and Evolved Communication offering provides operators with a complete solution to evolve their voice and SMS business towards an all-IP communications network. This is achieved by evolving the installed base of CS core networks towards IMS core networks. In addition to ordinary mobile telephony services, Ericsson’s Cloud VoLTE offering also supports value added services such as: HD voice, HD+ voice (EVS), video calling, Wi-Fi calling, multi-device, multi-SIM, enriched calling services and voice support for IoT devices (Cat-M1).

Ericsson’s Cloud VoLTE and Evolved Communication offering is an end-to-end solution, including IMS, Evolved Packet Core (EPC), LTE-RAN, Subscriber Data Management, OSS/BSS and system integration services. The Ericsson solution is fully optimized for cloud deployment, agnostic to the underlying infrastructure for both media and control plane, and includes critical automation to simplify creation and maintenance of end-user services.

Ericsson’s Fast VoLTE Launch solution, a complete pre-integrated virtual IP Multimedia Subsystem (IMS) solution facilitates fast deployment of VoLTE and also Wi-Fi calling. Operators can start with a small network set-up for thousands of subscribers, and the offering supports future scaling to millions of subscribers. The pre-packaged solution includes products such as virtual Mobile Telephony Application Server (vMTAS), virtual Session Border Controller (vSBC), virtual Call Session Control Function (vCSCF), virtual Media Resource Function (vMRF) and virtual IPWorks. It is built on Ericsson BSP 8100 telecom grade hardware and the OpenStack-based virtual infrastructure manager Ericsson Cloud Execution Environment. 

Ericsson’s Cloud VoLTE solution provides a system verified reference configuration that can be used in data center deployments. The solution is verified with Ericsson’s HDS and 3PP platforms.

In order to handle a smooth evolution from circuit switched voice to VoLTE as well as situations of non-ubiquitous LTE coverage, Ericsson’s offering supports a full set of complementing accesses including both 2G, 3G and Wi-Fi. Seamless handover of calls between LTE and Wi-Fi through packet handover, as well as 2G/3G with Single Radio Voice Call Continuity (SRVCC) are also supported.

Ericsson Cloud VoLTE and Evolved Communication offering is verified towards all major device and chipset vendors. This secures smooth deployment, efficient network operations and future evolution of the offering.

Benefits

Complete end-to-end offering

Ericsson’s Cloud VoLTE and Evolved Communication offering is a complete end-to-end offering based on GSMA IR.92 and related specifications to provide SMS, voice and video communication services over LTE access. This guarantees full device interoperability and allows for direct IP interconnect and roaming towards other operators.

 

Efficient operation

Building on an all-IP infrastructure such as LTE, EPC and IMS allows operators not only to cut operational cost through improved resource utilization such as for example improved spectrum efficiency, but also introduce new higher value-added services to end-users in order to reduce churn, such as HD voice, HD+ voice (EVS), video calling, multi-device, multi-SIM, call enrichment etc.

 

Convenient user experience

VoLTE users will keep the convenience of the mobile experience, using the built-in phone dialer and call screen with no need for app’s to make calls or messaging over IP. Users can also continue to benefit of a service with global reach, i.e. make and receive calls from any phone number in the world as well as continue to enjoy the advantage of roaming anywhere and still be reachable. In addition VoLTE users will enjoy more user friendly and intuitive services such as  service reach, HD voice and video calling.

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