We integrating the VG224 with CUCM for the FAX machines.
Sometime in the FXS gets fastbusy , when dial other DN's in the CUCM.Other Dn also unable to reach FXS port.
And tried with shut / no shut port , that time also we get the fast busy.
VG224 integrated with CUCM as SCCP.
VG224 IOS :12.4(24) T3
Note: after the restart the Vg224 is working fine.
please help on this .