1.During the call, press your phone's recall button (probably marked R or RECALL). You are connected to normal dial tone and can make another call if necessary.
•If you have held a call, hanging up leaves the call on hold. However, after a short period, 15 seconds by default, the held call will re-ring your phone.
•If you have two calls in progress, one connected and one on hold, hanging up will connect the two calls together (see Transferring Calls).