  This technical report describes ChinaTelecom system for Track 1 (closed) of
the VoxCeleb2023 Speaker Recognition Challenge (VoxSRC 2023). Our system
consists of several ResNet variants trained only on VoxCeleb2, which were fused
for better performance later. Score calibration was also applied for each
variant and the fused system. The final submission achieved minDCF of 0.1066
and EER of 1.980%.
