Aastra AXD Installation And Maintenance Manual page 38

• 500 physical extensions for an AXS
• 500 physical extensions for an AXS12
AXD, AXL, AXS, AXS12 and AXS6 iPBXs can be fitted with a broad range of expansion
cards, used to configure the iPBXs optimally in order to meet your needs:
• IP PBXs
• Trunk gateways (gateways optimising the resources actually used at a given time),
• Voice gateways (voice gateways: resources used to set up a voice circuit between two
sites on a network).
Aastra X series is compatible with an already existing multi-site configuration as of
software release R4.1 and R4.2, with functional restrictions on inter-operation.
Aastra XD was designed to optimise:
• The available iPBX resources
- CPU card duplication
- the duplication of certain integrated services
- power supply duplication.
Aastra XD also benefits from the following enhancements, which triggered the designing
of the Aastra XS/XL range:
• the hardware installation time:
- All the cards in the AXS and AXL cabinets are rackable.
- The new cards are "plug and play".
• It is possible to move on around site thanks to the following features:
- secure software downloading
- remote management of voice services
- remote operation.
AMT/PTD/PBX/0058/4/6/EN
Page 38 01/2011
Installation and Maintenance Manual - Aastra 5000
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