User guide

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collectively as “SpectraLink Wireless Telephones”, “phones” or “handsets”. The 8440, 8450 (with 1D bar
code reader), and 8452 (with 1D and 2D bar code reader) handsets will be referred to collectively as the
8400 handsets.
** Routed network topology is only recommended with single controller deployment. If multiple
controllers are present then the Mobility feature must be configured.
Known Limitations
• A-MPDU aggregation in 11n mode is not recommended on the radio supporting the handsets. A-
MSDU is compatible.
• Only “Fit” mode (not standalone) is supported with the handsets. The AP 3630/3640 models need
to be converted to “Fit” mode as they are in standalone mode by default. See the Enterasys
Wireless Convergence Software User Guide Version 8.11.xx for details.
• The Admission Control Thresholds algorithm employed by Enterasys Wireless Controllers will
prevent accepting additional calls once the total network traffic exceeds the percentage defined,
regardless of class of the traffic.
Polycom References
For the SpectraLink 8020/8030 Wireless Telephones, please refer Best Practices Guide for Deploying
SpectraLink 8020/8030 Wireless Telephones This white paper covers the security, coverage, capacity
and QoS considerations necessary for ensuring excellent voice quality with enterprise Wi-Fi networks.
For the SpectraLink 8400 Series Wireless Telephones, please refer to Best Practices Guide for Deploying
Polycom SpectraLink 8400 Series Wireless Telephones for detailed information on wireless LAN layout,
network infrastructure, QoS, security and subnets.
These two white papers identify issues and solutions based on SpectraLink’s extensive experience in
enterprise-class Wi-Fi telephony. It provides recommendations for ensuring that a network environment
is adequately optimized for use with SpectraLink Wireless Telephones.
The Polycom UC Software Administrators’ Guide provides a comprehensive list of every parameter
available on SpectraLink 8400 Series Wireless Telephones.
Product Support
For additional support, contact Enterasys Networks using one of the following methods:
• World Wide Web http://www.enterasys.com/support
• Phone [phone] (toll-free in U.S. and Canada)
or 1-978-684-1000