Incoming FX and CO trunks calls can terminate at an attendant group. You can also administer your system to terminate an incoming FX or CO trunk to an:
Attendant group
If you decide to terminate the call at an attendant group, the system processes the call as an LDN call.
Extension
The extension can be a vector directory number (VDN), an Automatic Call Distribution (ACD) split, a Direct Department Calling (DDC) group, a Uniform Call Distribution (UCD) group, a remote access extension, or any system extension.