The one feature that everyone seems to be missing with these tutorials is a simple tool to have people confirm that they would like to accept the forwarded call... I'm helping a mutual aid group and we have a list of people whose phones all ring simultaneously (meaning that inevitably someones voicemail answers first) and I have yet to find an easy way to implement a simple "Press any key to accept this call" where the first person to answer AND press any key gets the call...