Hi, friend!
1. Check whether the HG8245H works properly, whether can be registered through the HG8245H, and whether WLAN is enabled on the HG8245H web interface.
2. If the HG8245H is normal, check whether the configurations and commands issued by the NMS are correct.
3. Need to be noted: The HG8245H has been in EOS for many years, devices may not support current operations.
Thanks!