Hands on experience in VoLTE technology acceptance, including:

  • Test Planning – Scheduling optimal test plans that minimize fault impact;

  • Scenario Assembly – Performing platform configuration (core, access and terminal) and service configuration that reflect test scenario parameters;

  • Test Execution – Meticulously going through the multiplicity of paths for test cases, both anticipated problematic and casual ones;

  • Analysis of Results – Gathering evidence of test progress and in depth multi-protocol analysis, using Wireshark. Characterization of degree of compliance with 3GPP and GSMA, as well as service characterization;

  • Fault Description – Technical background, service impact and operation impact;

  • Call Flow design and adaptation – Propose configuration alternatives and design alternative routing of application level traffic;

  • Reporting – Acceptance progress reporting.

Working knowledge of the following network functions:

  • IMS – X-CSCF, ENUM, SBC, MGCF, MGW, AS, MS, HSS, SLF, DRA;

  • LTE – PCRF, P/S-GW, MME, eNB;

  • CS – MSS, MGW, HLR.

Working knowledge of implementation constraints to deploy with the following features:

  • Continuity – SR-VCC from R8 to R10; (theory from R11 to R12)

  • Fallback – CSFB in R4.