5.14.1.1. Call Forward/Forward No Reply with Open Numbering Scheme 
If call forwarding or no answer advance is activated at the called
party's station, and the call is forwarded back to the caller's
home node, the route code prefix must be suppressed. Enter route code
of home node to be suppressed in the DPLN (DESTNO=1)
AD-WABE:CD=90,DAR=OWNNODE;