Telephony Tester
- Job Description:
- Understanding of 5GNR/LTE/UMTS 3GPP Air interface specifications. Network Carrier Testing Experience, LTE, 5G-NR protocol knowledge at UE side (L1/L2/L3)
- Hands-on experience and knowledge of 3GPP (UMTS & LTE) Layer 2 and Layer 3 protocol and call processing
- IMS/VoLTE Experience is a must
- Must have knowledge of 3GPP IMS core standards. Network Carrier Testing Experience, LTE, 5G-NR protocol knowledge at UE side (L1/L2/L3)
- Good at Debugging and root causing the issues
- Exposure to commercial test simulators and test systems such as: Keysight, R&S, Spirent and Anritsu for wireless telephony product verification
- Familiarity with RF testing, test hardware, mobile phone testing including hardware and android software
- Nice to have test automation and python scripting skill
- Good understanding of 3GPP2 CDMA and 3GPP 5G/4G/3G/2G systems
- Good understanding of Telephony and protocol stack service
- Knowledge of QXDM logs and ADB Commands (must)
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