Use the Voice section on the 802.11a/n/ac(5 GHZ) or the 802.11b/g/n(2.4 GHZ) tabs to set the parameters and adjust the voice quality for the radios.
- In the Call Admission Control (CAC) section, check the Admission Control (ACM) check box to enable bandwidth-based CAC for this radio band.
- To enable channel-based CAC, check the Load Based CAC check box. To enable radio-based CAC, clear the Load Based CAC check box.
- In the Max RF Bandwidth field, enter the percentage of the maximum bandwidth allocated to clients for video applications on this radio band. When the client reaches the value specified, the access point rejects new requests on this radio band. The range is 5% to 85%. The sum of maximum bandwidth percentage of voice and video should not exceed 85%. The default is 0%.
- In the Reserved Roaming Bandwidth field, enter the percentage of the maximum RF bandwidth that is reserved for roaming clients for video.
- To enable expedited bandwidth, check the Expedited Bandwidth check box. The device attempts to facilitate the urgency of the call without potentially altering the quality of other TSPEC calls that are in progress.
-
To enable SIP CAC support, select the SIP CAC Support check box. From the SIP Codec drop-down list, choose a codec. The default value is G.711. If you choose Custom, enter the bandwidth in kilo bits per second, in the SIP Bandwidth field. The range is 8 to 64. Enter the sample interval at which the codec operates, in the SIP Voice Sample Interval field.
- In the Traffic Stream Metrics section, check the Metrics Collection check box to collect traffic stream metrics.
- Enter the Stream Size and Max Streams.
- Check the Inactivity Timeout check box if the system is inactive, and click Apply.