Parameter

Description

 

disconnect extra call feature is enabled, the system monitors the number of active

 

voice calls, and if the defined threshold is reached, any new calls are disconnected.

 

The AP denies association requests from a device that is on call.

 

To enable this feature, select the VoIP Disconnect Extra Call checkbox. You also need

 

to enable call admission control in this profile.

 

 

VOIP TSPEC Enforcement

A WMM client can send a Traffic Specification (TSPEC) signaling request to the AP

 

before sending traffic of a specific AC type, such as voice. You can configure the

 

controller so that the TSPEC signaling request from a client is ignored if the

 

underlying voice call is not active; this feature is disabled by default. If you enable

 

this feature, you can also configure the time duration within which the station should

 

start the voice call after sending the TSPEC request (the default is one second).

 

Select the VoIP TSPEC Enforcement checkbox to validate TSPEC requests for CAC.

 

 

VOIP TSPEC Enforcement Period

Select the maximum time, in seconds, for the station to start the call after the

 

TSPEC request.

 

 

VoIP Drop SIP Invite and send

Click the VoIP Drop SIP Invite and send status code (client) drop-down list and select

status code (client)

one of the following status codes to be sent back to the client:

 

480: Temporary Unavailable

 

486: Busy Here

 

503: Service Unavailable

 

none: Don't send SIP status code

 

 

VoIP Drop SIP Invite and send

Click the VoIP Drop SIP Invite and send status code (client)drop-down list and select

status code (server)

one of the following status codes to be sent back to the server:

480: Temporary Unavailable

486: Busy Here

503: Ser vice Unavailable

none: Don't send SIP status code

5.Click Apply to save your settings.

In the CLI

wlan voip-cac-profile <profile> bandwidth-cac

bandwidth-capacity <bandwidth-capacity> call-admission-control call-capacity call-handoff-reservation <percent> disconnect-extra-call send-sip-100-trying

send-sip-status-code clientserver <code> wmm-tspec-enforcement wmm-tspec-enforcement-period <seconds>

Understanding Wi-Fi Multimedia

Wi-Fi Multimedia (WMM), is a Wi-Fi Alliance specification based on the IEEE 802.11e wireless Quality of Service (QoS) standard. WMM works with 802.11a, b, g, and n physical layer standards.

WMM supports four access categories (ACs): voice, video, best effort, and background. Table 300 shows the mapping of the WMM access categories to 802.1p priority values. The 802.1p priority value is contained in a two- byte QoS control field in the WMM data frame.

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

Voice and Video 696

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Dell 6.2 manual Understanding Wi-Fi Multimedia, To enable call admission control in this profile, Voip Tspec Enforcement

6.2 specifications

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