User ManualTable of ContentsVoice over Wireless LAN Technical Solutions Guide1Contents41. Executive summary61.1 Challenges61.1.1 High overhead of 802.1161.1.2 Rate scaling and variable capacity61.1.3 Power adjustments and variable capacity71.1.4 Quality of Service (QoS)71.2 Scope of document81.2.1 Products Included81.2.2 Infrastructure components81.2.3 Configurations not included82. Nortel VoWLAN solution82.1 Applications92.1.1 WLAN Handset 2210/11/12 voice92.1.2 IP Softphone 205092.1.3 Mobile Voice Client (MVC) 205092.1.4 MCS Client102.1.5 WLAN Handset 2211 Push-to-Talk (PTT)102.1.6 WLAN Handset 2210/11/12 text messaging102.2 Network architecture102.2.1 Basic topologies102.2.1.1 Distributed Campus112.2.1.2 Centralized Campus122.2.1.3 Branch Office132.2.1.4 Combining architectures142.2.1.5 Third-party AP support152.2.2 Network design constraints162.2.2.1 Power over Ethernet (PoE) requirements162.2.2.2 Physical layer interconnections172.2.2.3 RF design constraints182.2.2.4 SSID options and limitations202.2.2.5 Layer 3 implementation202.2.2.6 Roaming222.2.2.7 WLAN Handset 2212 VPN design232.2.2.8 WTM 2245 placement and engineering rules252.2.3 High availability designs262.2.3.1 Network access availability262.2.3.2 WLAN Security Switch 2300 connectivity272.2.3.3 N+1 WLAN Security Switch 2300 redundancy272.2.3.4 Subnet high availability292.2.3.5 WLAN Telephony Manager 2245 high availability292.3 Security292.3.1 WLAN Handset 2210/11/12 security features302.3.2 IP Softphone 2050 and MCS Client security features302.3.3 MVC 2050 security features302.3.4 Minimum security recommendations for WLAN 2300302.4 Performance and scalability312.4.1 WLAN AP 2330 scalability312.4.1.1 WLAN Handset 2210/11/12332.4.1.2 IP Softphone 2050 and MCS Client342.4.1.3 Mobile Voice Client (MVC) 2050342.4.2 Battery life conservation352.4.3 WLAN Telephony Manager 2245 scalability352.5 QoS362.5.1 WLAN Security Switch 2300 and WLAN AP 2330362.5.1.1 SVP description372.5.1.2 WMM description382.5.1.3 Prioritization capabilities382.5.1.4 Queuing with WMM disabled—Native SVP mode of operation382.5.1.5 Queuing with WMM enabled392.5.1.6 Other limitations for QoS392.5.2 Ethernet Switch family402.5.2.1 Prioritizing/marking CAPP412.5.2.2 Prioritizing/marking interswitch (WSS 2300) traffic422.5.2.3 Prioritizing/marking SVP422.5.2.4 Prioritizing/marking native VoIP traffic432.5.3 Ethernet Routing Switch 5510/5520432.5.3.1 Prioritizing/marking CAPP442.5.3.2 Prioritizing/marking interswitch (WSS 2300) traffic442.5.3.3 Prioritizing/marking SVP442.5.3.4 Prioritizing/marking native VoIP traffic452.5.4 Ethernet Routing Switch 8300/8600452.5.4.1 Prioritizing/marking CAPP452.5.4.2 Prioritizing/marking interswitch (WSS 2300) traffic462.5.4.3 Prioritizing/marking SVP462.5.4.4 Prioritizing/marking native VoIP traffic462.5.5 QoS summary462.6 WLAN Handset 2210/11/12, IP Softphone 2050, MVC 2050, and MCS Client support on the same network462.6.1 Issues462.6.1.1 Separating data and voice applications472.6.1.2 Admission control472.6.1.3 Prioritization472.6.1.4 Security472.6.2 Recommendations483. Infrastructure support483.1 Network management483.1.1 Assessment493.1.2 Predeployment513.1.3 Monitoring and reporting513.1.4 Element management563.2 DHCP server573.2.1 WLAN AP 2330573.2.2 WLAN Handset 2210/11/12583.3 DNS server593.4 TFTP server594. Appendix A: Quality of Service checklist for VoWLAN applications using 2210/11/12 handsets59Size: 1.84 MBPages: 62Language: EnglishOpen manual