LANCOM VoIP Routers: PBX Functionalities Contents4ENContents1 Introduction 62 Hardware installation 72.1 LANCOM 1723 VoIP and LANCOM 1823 VoIP 72.2 LANCOM 1722 VoIP 92.3 LANCOM 1724 VoIP 113 Configuring the VoIP functions 143.1 This is how you draw up a dialing plan 143.1.1 PBX users 143.1.2 Hunt groups 163.2 This is how you configure the LANCOM Business-VoIP-Router as aPBX 163.3 This is how you configure your telephones and terminal equipment233.3.1 Analog telephones 233.3.2 ISDN telephones 233.3.3 SIP telephones 243.3.4 Software telephones (SIP softphones) 263.3.5 Analog Terminal Adapters (ATAs) 264 PBX functions in the LANCOM Business-VoIP-Router 284.1 Call forwarding 284.1.1 Spontaneous call management by the user 294.1.2 Configure permanent call forwarding 314.2 Hunt groups with call distribution 344.3 Multi-login 364.4 Calling Line Identification Restriction (CLIR) 37