Details of SIP response codes

Hi Experts.

Can anyone share details of SIP response codes?

Admin note: this post was updated with image below.
VoLTE SIP Methods, Response Codes and Details

Check this:

Thanks @Tech_Playon.

Can you kindly share some details of ‘480’ response code?

Which resource is temporarily unavailable?

The caller party or calle party?

Is it pertaining to RAN or Core?