5.4.1. Feature Description 
ANIF (automatic number identification forward) is a OpenScape 4000
feature for the Confederation of Independent States (CIS), which provides
the exchange with calling line number information.
With the ANIF feature, the OpenScape 4000 system supports the following
public network services:
- Toll exchange connections (long-distance)
- Special services
- Chargeable services
- Malicious call tracing