LANCOM VoIP Routers: PBX Functionalities Contents5EN5 Installing the LANCOM VoIP-Option 395.1 Requirements for installation 395.1.1 System requirements 395.1.2 Package content 395.1.3 Configuration computer with the Windows operating sys-tem 395.1.4 Up-to-date LANconfig 405.1.5 Up-to-date firmware in the LANCOM 405.2 Online registration 405.3 Activating the LANCOM VoIP-Option 415.4 Checking the activation 426 Extended functions 436.1 Setting up call forwarding in the telephone exchange 436.2 Life-line support for ISDN telephones 456.3 Messages about calls 47
