| 摘要 |
The method and application apparatus establish performance features in a private communication system of a public communication network. Unsuccessful calls coming in from a public communication system to communication terminal apparatuses (KE1. . . n) of a private communication system (KS), as well as calls (ar', ar'') directed to private performance feature communication terminal apparatuses (KE-AUL, KE-RR), are acquired in the private communication system (KS) and reported to the application apparatus(PC). Using the application apparatus (PC), a performance feature, for example call forwarding (AUL) or callback (RR), is set up or, respectively, introduced, dependent on the acquired incoming calls (ar', ar'').
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