Difference between off hook and being on call
When you go off hook on a line and while the dial tone plays or when you try to dial out, Call waiting will not take effect.
Call waiting takes effect when you are actively on a call.
Difference between off hook and being on call
When you go off hook on a line and while the dial tone plays or when you try to dial out, Call waiting will not take effect.
Call waiting takes effect when you are actively on a call.
