I married online. Wali & bride were present. Ijaab & qubool took place. Two witnesses were from bride’s side, but I never saw or heard them. However, when I asked wali & bride at time of nikah; they confirmed witnesses heard the Ijaab & Qubool via audio call. Is this nikah valid? Please confirm.

Ustadh AbdulAziz al-Haqqan

I do not know.