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Installation Guide

7.0 Conclusion

Telephony over a WLAN represents the convergence of voice and data technology in the wireless environment.

There are certain network design criteria that must be met for the network to successfully accommodate the

demanding requirements of both voice and data.

By applying the guidelines described in this document, networking and telephony professionals can

come together to confidently design and deploy an Avaya Wi-Fi telephony solution. Some of the major

considerations include:

•

Voice and data applications have different attributes and network requirements. Several aspects

of the WLAN infrastructure, including coverage and capacity planning, require special

considerations for voice traffic.

•

Reliable QoS is a requirement for any enterprise voice application. Wireless VoIP is especially

vulnerable to many WLAN processes that can affect voice quality, including wireless traffic

contention and security authentication delays.

•

Several network design attributes need to be considered before deploying a Avaya wireless

telephone solution, including the use of subnets and complex network topologies that may not be

conducive to the performance requirements of Avaya wireless telephones.

Avaya's dedication and expertise in wireless VoIP can help ensure proper deployment for voice over

WLAN. Avaya's support for Polycom's Voice Interoperability for Enterprise Wireless (VIEW)

Certification Program certifies Wi-Fi network infrastructure products to be interoperable with and meet

the performance requirements of Avaya wireless telephones. In addition, Avaya offers professional

services including site surveys and deployment assistance. Avaya wireless telephone infrastructure

components must connect to a facility's LAN using Ethernet switches rather than Ethernet hubs in

order to provide adequate bandwidth and limit traffic collisions.

Notice Every effort was made to ensure that the information in this book was complete and accurate

at the time of printing. However, information is subject to change

For more information on Avaya and its solutions, please contact your Avaya Client Executive or Avaya

Authorized BusinessPartner or visit is at Avaya.com

trademarks identified by ®, TM or SM are registered marks, trademarks, and service marks, respectively, of Avaya Inc. All other trademarks are

the property of their respective owners.

Octiober 2008