Hello
There are a atas186 who was registered to a CUCM version 6.1,the call manager was migrated to version 8.6 but now the second por when a call is answered immediately when give a fast busy tone, the first port works perfect, and i have changed many parameters and did a factory reset without success.
S/W Version 3.02.04(090202A)
App Load ID ATA030204SCCP090202A
Thanks.