Sorry for the long forum, I Have a magix 2.2 release the problem is that i get a busy single, I came onsite with a 570 i tested all 23 channels working fine on 570 when i plug in to ds100 and call out i get dial tone and than i hang up and call again i get busy tone it happens a few times i called provider they said they are getting disconnect error on our ends so i test again with my 570 and i could dial out perfectly just when i plug it the ds100 i get busy single often so i decided to change to ds100 card and i get the same issue i reset the slot cleared alarms still same problem can anyone tell me what else to do its like its not hanging up correctly and it wont relase that trunk thanks in advance