Asterisk / FreePBX Call Forwarding via *72 / *73 – Using a FXO Card to Forward Calls at The Telephone Company
This article describes how to use Asterisk, FreePBX, or AsteriskNOW to forward calls by using the your telephone company's *72 / *73 feature via analog FXO (POTS) channels. This functionality can be useful for forwarding calls to an after-hours answering service without having to dial out on a separate line and bridging the calls together [...]