14.4.1  

Requirements for Emergency Mode 
 
In order to execute emergency mode, the following requirements must be met:
 •   HiPath systems in branch offices and in the central system are connected via an IP network.
 •   HiPath Management (HiPath Tele Service HTS in particular) is available as an optional extra.
 •   IP workpoint clients support both HiPath 4000 mode and HiPath 3000 mode.
 •   They are independently-administered HiPath 4000 and HiPath 3000 domains.
 •   There are no restrictions to HiPath 3000 features in emergency mode.
 •   In the central system, in the branch office, or in both systems, a numbering plan is provided for incoming CO traffic in normal mode, based on customer requirements.
 •   As well as the numbering plan for CO traffic as mentioned, there is also a backup (based on TDM) between the central system and the branch office for emergency mode.
 •   The IP workpoint clients are assigned all necessary parameters so they can register with a HiPath 4000, or alternatively, with a HiPath 3000.