NSN Achieves Voice Call Continuity for VoLTE

ESPOO, Finland -- Nokia Solutions and Networks voice call continuity complements Voice over LTE (VoLTE) by enabling seamless handovers to 2G or 3G networks. The enhanced solution optimizes VoLTE network connection quality and control with better bearer switching and shorter delay. This allows for faster and more precise handover, enabling longer use of VoLTE within LTE coverage. To help operators ensure that their LTE customers benefit from the best service quality for both voice and data, NSN is also expanding its Service Quality Manager* with a VoLTE content pack.

In addition to high speed data, the delivery of high-definition VoLTE is becoming increasingly attractive. This is thanks to fast call setup times and HD voice quality, as well as the fact that voice can be carried more efficiently over LTE. To enable VoLTE offering across both variants of LTE networks, NSN has commercialized its enhanced Single Radio Voice Call Continuity (eSRVCC) solution.

NSN provides full VoLTE functionality with IMS core and Telephony Application Server (TAS) core with seamless integration to existing 2G or 3G core networks, and with accelerated hand-over process between different access networks. The NSN solution optimizes network behavior at the border of the FDD-LTE or TD-LTE coverage, which is a critical element for the commercial introduction of VoLTE on LTE networks. NSN is particularly well placed** in the VoLTE arena with 12 commercial contracts and IMS deployment in the world’s largest live LTE network.

Nokia Networks