4 of 4 VoLTE Jobs in the UK

Core Engineer Strong background in IMS Core technologies, particularly IMS Voice, Video, and Data services. Hands-on experience with IMS and VoLTE architecture, interfaces, and protocols. Proficiency with LTE testing and analysis tools including Wireshark, SIP/RTP/RTCP/Diameter tracing, IXIA, Viavi, Spirent, XCAL, QXDM, Jira, Logcat ...

associated platforms Deliver high availability and performance for Packet Switched (PS) and Circuit Switched (CS) services, supporting technologies such as VoLTE, and 5G Core Act as a subject matter expert for IMS-based services (SIP, Cloud Voice, FTTH voice, Microsoft Teams Operator Connect), providing technical support for integration, troubleshooting ...

associated platforms Deliver high availability and performance for Packet Switched (PS) and Circuit Switched (CS) services, supporting technologies such as VoLTE, and 5G Core Act as a subject matter expert for 2G, 4G and 5G Packet Core nodes and based services (SGSN, GGSN ...

/U, SIP/IMS, PFCP). Monitor and optimise EPC/5GC KPIs, including registration/attach success, bearer/session setup, VoLTE/VoNR call quality, and handover success. Assess and troubleshoot backhaul performance issues related to latency, jitter, congestion, and packet loss. Collaborate with IP/Transport … identify trends, anomalies, and optimisation opportunities. Technical Expertise Deep understanding of LTE and 5G NR technologies, including mobility, capacity, interference, coverage, and VoLTE/VoNR performance. Strong knowledge of EPC and 5GC core network architecture and cloud-native network functions. Expertise in IP/MPLS, Ethernet, QoS behaviours, and transport ...