TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System72.2.1 Legacy Network Not Using Any 802.11n APs b/g a CommentCustomer is running s

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System82.2.3 Customer Is Adding 802.11n APs and Is Also Keeping Old APs It is not uncomm

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System9Customer buys new APs for the n-radio and keeps the old a/b/g dual radio APs inta

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System102.3 802.11 a-radio Support in the VoWiFi Handset802.11a Radar Protection, Dynami

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System11The following table lists the DFS and non-DFS channels on the 5 GHz band: Band C

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System12The 802.11n builds on the same frequency bands as the 802.11b/g and 802.11a radi

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System132.5 Battery Considerations2.5.1 Speech Time and Standby TimeBoth the speech time

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System143 Wired LAN/Backbone RequirementsThere are several things to consider when desig

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System153.1.2 IEEE 802.1q Priority FieldThe structure of the VLAN Tag defined in 802.1Q

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System16Note: The 802.1p priority tag is likely not preserved if VLANs are not configure

System PlanningAscom VoWiFi SystemTD 92408EN9 December 2011 / Ver. GContents1 Introduction ...

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System174 Security ConsiderationsThe VoWiFi Handset can be configured to use various enc

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System185 Basic Cell PlanningCell planning for traditional cordless telephony systems (D

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System19the cells, see figure 3. Figure 4. Figure 3. Cell overlap between adjacent cells

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System20• The lower the transmission rate, the more energy per bit is available at the r

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System21The VoWiFi network has to be designed in such a way that the adverse effect of t

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System226 Co-Channel InterferenceThere are only three non-overlapping channels available

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System23Even if APs that use the same channel are placed far away, there can be STAs pre

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System24transmissions. Therefore if they transmit at the same time, collision is likely

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System257 AP Placement for Optimal PerformanceThere is a contradiction between the two e

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System26In a building with thick walls APs may be needed to be placed inside the rooms f

System PlanningAscom VoWiFi SystemTD 92408EN9 December 2011 / Ver. G8.1 Automatic RF Adaptations in WLAN Systems ...

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System278 Infrastructure Dependant Features8.1 Automatic RF Adaptations in WLAN Systems

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System289 Tools in the VoWiFi HandsetThere are a number of tools present in the VoWiFi H

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System2910 AP Configuration10.1 Regulatory Domains - 802.11dIEEE 802.11d was developed t

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System3010.4 Beacon PeriodA beacon is a periodic broadcast transmission from the AP to a

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System3110.7 Recommended Settings10.7.1 Basic Configuration b/g/nItem Recommended Settin

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System3210.7.2 Recommended Security Settings VoWiFi HandsetAuthentication methodEncrypti

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System3310.7.3 Quality of Service Item Recommended SettingsDescriptionWMM EnableaDisable

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System3411 Known Problemsb/g/n802.11 operates in the 2.4GHz Industrial Scientific Medica

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System3512 Related Documents System Description, Ascom VoWiFi System TD 92313ENFunction

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System3613 Document HistoryFor details in the latest version, see change bars in the doc

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System11 IntroductionThis document is intended as a guide for considerations on WLAN inf

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System37Appendix A: Migration from i75 to i62A.1 GeneralWhen migrating from i75 to i62 V

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System38A.5 Interoperability i62A.5.1 WLANFor information about the supported WLAN infra

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System39This experience can be gained from installations performed, and from practical m

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System40The two handsets from Ascom are not to be considered as clients with the same pe

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System41Due to the different characteristics of the handsets a complementary site survey

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System2DiffServ Differented Services (TOS field)dBm Power ratio in decibels (dB) referen

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System3STA Station:a mobile device in an IEEE802.11 WLAN system.TCP Transport Control Pr

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System42 General2.1 Introduction to Wireless Planning2.1.1 Adding Voice to a Wireless LA

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System5Physical separationA WLAN network can either operate on the IEEE 802.11 2.4 GHz (

TD 92408EN9 December 2011 / Ver. GSystem PlanningAscom VoWiFi System6• Protecting devices from access by unauthorized personnel.• Give priority in the