Hello Nishit please find some comments below:
a) this issue has been reported multiple times. When client is not in Tellina numbers’ not being activated:
b) When site admin changing status of the order we can see the following error, this primary happens when client purchased using 2Checkout getaway.
[video src="https://webmaklay.com/wp-content/uploads/2023/02/0-02-01-7447e168c9b218f087668a10f6a15d981df83787955a02290bb55cb542369834_a6028ca3ee15d6bf.mp4" /]