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Aruba Networks Version 3.3 manual Comprehensive Voice Management

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simultaneous voice calls handled by a single AP must be limited. This limit varies based on network conditions and handset manufacturer, and is typically provided in a manufacturer’s design guidelines.

Call admission control (CAC) is included with the Voice Services Module license. CAC lets the Mobility Controller limit the number of voice calls on an AP, and proactively move voice clients to a less-utilized AP. Aruba Mobility Controllers implement CAC by statefully following voice protocols and being aware of the voice utilization of a given AP. Per-SSID association limits for each AP also prevent a voice device from associating to a dedicated voice SSID when that AP has reached a pre-configured limit.

Comprehensive Voice Management

The Voice Services Module license adds extensive voice management functionality, providing detailed reporting and troubleshooting capabilities. Information is available at a glance via well-organized tables and graphs. Some of the capabilities include:

zPhone number association – SIP devices can be tracked and displayed by their associated phone number.

zCall quality tracking – Automatically calculates, displays and tracks the R-value for each SIP call being processed through the Aruba mobility controller.

zSIP authentication tracking – Tracks the registration of SIP devices with a IP PBX to determine if they are authenticated devices.

zCall detail records (CDRs) – Displays the calls made to or from Wi-Fi clients, including originator, terminator, termination reason, rejected and failed calls, duration, call quality, etc.

zCAC-based real-time information – Quickly determine call density, CAC state, and active calls.

Campus Wireless Networks Validated Reference Design Version 3.3 Design Guide

Voice over Wi-Fi 61

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Aruba Networks Version 3.3 manual Comprehensive Voice Management

Contents

Campus Wireless Networks Validated Reference Design Version Crossman Avenue Sunnyvale, California Phone Fax Contents Chapter RF Planning and Operation Reference Documents Aruba Reference ArchitecturesContacting Aruba Networks IntroductionTelephone Support Aruba’s User-Centric Network Architecture Understanding Centralized Wireless LAN NetworksCentralized Wlan Model Introducing Aruba’s User-Centric NetworkArubaOS ArubaOS and Mobility ControllerMobility Controller Access Point Multi-function Thin Access PointsAir Monitor Aruba’s Secure Enterprise Mesh Network Mesh Portal or Mesh PointRemote AP Mobility Management SystemMobility Management System Proof-of-Concept Network PoC Network Physical DesignVlan PoC Network Logical and RF DesignProof-of-Concept Network Proof-of-Concept Network Campus Wlan Validated Reference Design Aruba Campus Wlan Physical ArchitectureAruba Campus Wlan Logical Architecture Data center ManagementMaster Campus Wlan Validated Reference Design Understanding Master and Local Operation Mobility Controller Access Point DeploymentMobility Controller High Availability Master Controller Redundancy Local Controller Redundancy Second Local controller has an opposite configuration Vlan Design Do Not Use Special VLANs Do Not Make Aruba the Default RouterVlan Vlan PoolsVLANs 10, 20, 30 User Mobility and Mobility DomainsMD1 ArubaOS Mobility DomainMaster Controller Placement Mobility Controller Physical Placement and ConnectivityLocal Controller Placement AP Placement, Power, and ConnectivityMobility Controller and Thin AP Communication AP Location and Density Considerations AP Power and ConnectivityOffice Deployment Active Rfid Tag Deployment Voice DeploymentMobility Controller Configuration Configuration Profiles and AP GroupsConfiguration Profiles Required LicensesAP group Profile TypesAP Groups SSIDs, VLANs and Role DerivationProfile Planning VLANs SSIDsRole Derivation Secure Authentication MethodsAuthenticating with Corporate Authentication Methods for Legacy Devices Authenticating with Captive PortalEmployee Role Configuring Roles for Employee, Guest and Application UsersGuest Role Create a bandwidth contract and apply it to an AP group Create the block-internal-access policy Modify the guest-logon role Device Role Role Variation by Authentication Method Wireless Intrusion Detection SystemWireless Attacks Rogue APs Page Mobility Controller Configuration RF Planning and Operation RF Plan ToolAdaptive Radio Management Page Minimum Scan Time Sec Quality of Service Voice over Wi-FiWMM and QoS Traffic Prioritization Voice Functionality and FeaturesNetwork Wide QoS Voice-Aware RF ManagementComprehensive Voice Management Voice over Wi-Fi LAN / WAN Controller Clusters Mobility Management SystemMultiple Master/Local Clusters Page Multiple Master/Local Clusters Licenses Appendix aLicenses Wlan Extension with Remote AP Appendix BWlan Extension with Remote AP Alternative Deployment Architectures Small Network DeploymentMobility Controller located in the network data center Medium Network DeploymentBranch Office Deployment Corporate data center DMZ Pure Remote Access Deployment