Cisco 1004-CH - 1004 Enet/ISDN/Bri Rter Manuale d'uso - Pagina 26
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Determining Deployment Strategy
Voice over IP Requirements
When deploying 802.11 wireless LANs to support Voice over IP (VoIP) telephones, such as SpectraLink
NetLink Telephones, a few special considerations are needed in the deployment process. When
deploying an 802.11b voice system, seamless full coverage with an average user throughput of 5 Mbps
or more should be used. Areas such as stairways, bathrooms, cafeterias and outside areas may require
special consideration and additional access points. These are areas that are not typically critical for data
users but are critical coverage areas for voice users who want seamless coverage.
Determining Deployment Strategy
Depending on the customer and the deployment requirements determined in
Requirements," there are three strategies for designing and deploying an Cisco WLAN Solution wireless
network. The following table provides guidelines for which one is appropriate.
Table 5
Deployment Option
Professional Site Survey
RF Prediction with
Optional Site Survey
Basic Guidelines with
Optional Site Survey
Deployment Guide: Cisco Aironet 1000 Series Lightweight Access Points
8
Deployment Strategy
Deployment Requirements
This option should be considered when:
Deployments require full coverage with 0% coverage holes.
•
The RF characteristics of the building vary throughout the coverage
•
area.
The building type is not typical or does not fit into one of the standard
•
configurations (e.g. Arena, Convention Center, Stock Exchange).
The cost or logistics of running Ethernet cables is prohibitive.
•
This option should be considered when:
The RF characteristics of the building vary throughout the coverage
•
area.
The building type is not typical (e.g. Arena, Convention Center, Stock
•
Exchange).
A Professional Site Survey is too costly, and a graphical coverage plot
•
is desired before deployment.
This option is adequate for 80% to 90% of deployments, and is suitable
when:
The RF Characteristics are homogenous throughout the coverage area.
•
•
The building type can be easily classified.
Deployment
"Determining Deployment
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