Jesus fulfilled these prophecies This was a face-to-face encounter with Gabriel.
In Luke 1:26-38- Gabriel came to Mary and told her exactly what God was going to do.
Luke 1:31-33 (ESV)
31 And behold, you will conceive in your womb and bear a son, and you shall call his name Jesus.
32 He will be great and will be called the Son of the Most High. And the Lord God will give to him the throne of his father David,
33 and he will reign over the house of Jacob forever, and of his kingdom there will be no end.”