Huawei, Qualcomm Completed LTE CSFB (Circuit Switched Fallback) to UMTS Testing
Huawei and Qualcomm have completed an LTE FDD flash CSFB (Circuit Switched Fallback) voice call to UMTS using R9 protocol and Qualcomm’s Snapdragon S4 processor, the MSM8960, during a series of optimisation tests. The tests, based on the flash CSFB voice service for the R9 protocol, resulted in low call setup latency than that of the R8 protocol, and close (more ..)