User guide

TD 92422GB
18 February 2010 / Ver. E
System Planning
Ascom IP-DECT System
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11 Multiple Master Systems
11.1 Why Multiple Master Systems
The need for a Multiple Master systems arises in the following cases:
• The amount of handsets in the system exceeds 1000.
• To make it scalable from small to large systems.
• The need for local functionality when connection to a central site has been lost.
• The need for fixed connections load balancing when the number of Portable Devices
exceeds what an IP-PBX is able to register.
For more information about multiple Master systems, see System Description, Ascom IP-
DECT System, TD 92375GB.
11.1.1 System Capacity
• Max. 1000 users / Master
• Max. 20 000 users / Pari Master
• Max. 100 Masters / Mobility Master
• Max. 10 Mobility Masters / System
• Max. 1000 IPBS / Pari Master
• Max. 100 IPBL / Pari Master