<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> hello<br><br>i have installed the AsteriskNOW 1.7 with GUI (FreePBX) and using
TDM24XX card. inside sip extentions is ok, but dahdi not detect the
hangup, example, anyone dial to dahdi than starting the ring-group when endpoint hangs up but not detect the hangup, ringing until ring-group end. how to
fix it? what is problem it? i think ,<br><br></div></div></body></html>