
© 2011 Cisco and/or its affiliates. All rights reserved. Cisco Public
BRKUCC-2617
107
Basic VoWLAN network design
requirements:
Cell radius or power-level boundary of
approximately -67 dBm (or less) is recommended
in order to minimises packet loss.
Same channel cell separation of 19 dBm is
recommended to minimise co-channel
interference
Channel cell overlap (on non-adjacent channels)
should be 15-20% to ensure seamless roaming
between APs.
Site-survey required prior to adding VoWLAN
devices. Each VoWLAN device type should be
tested
Bluetooth headsets are not recommended with
dual-mode handsets due to potential
interference on the 2.4 GHz band.
For more information on VoWLAN Design, see the
Voice over Wireless LAN 4.1 Design Guide at:
-
http://www.cisco.com/en/US/docs/solutions/Enterprise/M
obility/vowlan/41dg/vowlan41dg-book.html
Dual-Mode Phones and Clients
Voice over WLAN Design Considerations
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