Talal Rahman Email and Phone Number

● Working on 5G NR technology.● Working Knowledge on PHY, MAC, RLC, RRC, PDCP Layers.● Testing of Mobile devices on different networks. It involved analyzing the defects at protocollevel using logging tools.● Hands-on experience in 4G-LTE/5G-NR NSA&SA call setup, call flow and performance testingusing different tools.● Capturing the QXDM, data performance testing, call performance, also Logs for Audio qualitytesting by using simulators.● Technical knowledge of LTE and 5G NR network architecture and call processing.● Accomplished expected quality & report status using corresponding Test & Defect managementtools.● Delivered thorough QA testing reports that determined product quality and release readiness.● Performed and validated scenarios in mobility like Attach/Detach, LA, Cell selection/Reselection,handovers, redirections, Throughput, MO/MT call, EPSFB, SMS, MMS, PLMN, Roaming, PDPactivation, GPS etc.● Performed automated or manual testing for each build and release, wrote daily test plans withMS Excel, and logged maximum bugs in defect tool.● Collaborated effectively with development resources during all stages of Quality Assurance tocommunicate testing.● Working Experience with Spirent Tools (Datum

● Windows Imaging● Troubleshooting● Office 365● VPN configuration (CISCO AnyConnect)● App Support● Resetting password in Active Directory● Enable/Disable user accounts in Active Directory● Closing tickets in Service Level Agreements (SLA’s)● Testing equipment as per company standards

● Infotainment System Testing● Tested Toyota’s New Telematics Upgrade● Tested Destination Assist via Live Call● Tested Android Auto/ Apple car play and Alexa● Advanced Safety Features Testing● Tested Network Coverage● Tested Pre-Collision System● Tested Safety Connect System● Tested Toyota’s One App● Tested SOS system● Real Time Troubleshooting

● Answering client correspondences through email, social media, and by phone.● Relaying extensive product information to customers.● Closing sales for the company.● A customer service executive's role is to lead and manage a team of agents, communicatecustomer needs to stakeholders, and understand exactly how customers use your product orservice.● Filing customer records, including contact information, purchases and billings.● Listen to customers' concerns, issues and questions.● Resolve customers' concerns and answer customers' questions to your best ability.● Maintain a positive attitude and calmly respond to customers' complaints.● Open new customer accounts