However, the page is not initiated until it is determined that both 1) {TAIL ~ the entire time} for the announcement has elapsed from the receipt of the callers call, i.e., the time of commencement of billing has arrived, and 2) the caller remains on the call at {HEAD ~ that time} 
However , the page is not initiated until it is determined that both 1 ) { TAIL ~ the entire time } for the announcement has elapsed from the receipt of the callers call , i.e. , the time of commencement of billing has arrived , and 2 ) the caller remains on the call at { HEAD ~ that time }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD