• Group controller
• Wireless access controller
• Call center controller
• Video conference controller
• ΙP network gateway
• PSTN gateway
• Voice mail server
Devices that Support Resiliency
The following Mitel IP devices support resiliency:
• All 5000 series, 5100 series, 5200 series, and 5300 series IP Phones
• 5540 IP Console
• 5550 IP Console
• 5560 IPT
• IP PKM 12 and IP PKM 48
• 5310 IP Conference Units
• Teleworker service sets
Resilient clusters can contain pre-4.0 3300 ICPs and Mitel legacy SX-2000 PBXs. These
devices cannot function as secondary controllers, but they can be part of a resilient solution as
boundary nodes and transit nodes.
For detailed information on Resiliency, see the 3300 ICP Resiliency Guidelines.
Rapid Spanning Tree Protocol
Both Rapid Spanning Tree Protocol (RSTP) and Spanning Tree Protocol (STP) are supported
on the CXi II/CXi II Controller, MXe III Controller, and AX Controller.
Hot Desking
Hot Desking creates a more flexible work environment by enabling users to share IP phones.
This is ideal for businesses that employ telecommuters, sales agents, and other employees
who spend much of their time out of the office.
Note: Resiliency is an IP solution that does not support ONS, DNIC and older
4000-series IP Phones.
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