English to Polish Tech/Engineering Telecom(munications)

Cold transfer: This transfer is in reality not a transfer, but a pass-on of information for the caller to call a particular number after they hang up the current call. However, in certain instances a cold transfer may be implemented by calling the desired number on behalf of the caller, the original call handler/operator then drops-off without waiting for the called number to be picked up, whether or not the dialed number had queue management implemented or not.

Z Wikipedii
https://en.wikipedia.org/wiki/Call_transfer