11.1.11.3. Service Information 
The feature 'Control of Diversion' controls CFB and CFU
only, not CFNR (Call ForwardingNo Reply).
If the called extension has ICF (Interactive Call Forwarding) activated,
no control of diversion is possible.
If the called extension has a diversion to a call centre activated,
no control of diversion is possible.
The feature works network wide with Realitis/DX over CorNet NQ orCorNet
NQ/DPNSS1.
The feature works for transit traffic with CorNet NQ .
For other digital or analogue trunks a control of diversion is not
possible. The call follows the diversion.