Ang Li

Consultant to AT&T Worked on AT&T VoLTE IMS Growth project, performed Field Verification Testing (FVT) on newly expaned IMS elements, such as CSCF, TAS (CTS), SCC-AS (SCG), and HSS (SDM) ...

Responsible for the Operation and Maintenance of NetScout nGenius product suite deployed in Verizon Wireless IMS networks, and ensuring the reliability and availability of the solutions Ac...

Performed production and development testing and verification of LTE / CDMA femtocell products based on feature requirements and 3GPP / 3GPP2 standards Perform system testing and feature t...

Performed LTE eNodeB software integration and verification testing according to feature specifications and LTE 3GPP standards Setup LTE testing environments including setup of network conn...

Provided technical supports of CDMA RAN and Core Networks, IP-based SoftSwitch, and SIP-based Push-to-talk over Cellular (PoC) products. Identified, troubleshot, resolved issues and critic...