Configuration manual

Dell PowerConnect W-AirWave 7.4 | Configuration Guide Configuration Reference | 105
3. Select Add or Save. The added or edited profile appears on the Profiles > QoS > Traffic Management page.
Profiles > QoS > VoIP Call Admission Control
Dell PowerConnect W’s Voice Call Admission Control limits the number of active voice calls per AP by load-
balancing or ignoring excess call requests. This profile enables active load balancing and call admission controls,
and sets limits for the numbers of simultaneous Session Initiated Protocol (SIP), SpectraLink Voice Priority
(SVP), Cisco Skinny Client Control Protocol (SCCP), Vocera or New Office Environment (NOE) calls that can
be handled by a single radio.VoIP call admission control prevents any single AP from becoming congested with
voice calls. You configure call admission control options in the VoIP CAC profile which you apply to an AP group
or a specific AP.
In the VoIP Call Admission Control (CAC) profile, you can limit the number of active voice calls allowed on a
radio. This feature is disabled by default. When the 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.
You enable this feature in the VoIP CAC profile. You also need to enable call admission control, which is disabled
by default, in this profile. Perform these steps to create or edit VoIP Call Admission Control profiles.
1. Select Profiles > QoS > VoIP Call Admission Control in the navigation pane.
2. Select the Add button to create a new VoIP Call Admission Control profile, or click the pencil icon to edit
an existing profile. Complete the settings as described in Table 49:
Name Blank Name of the threshold profile.
Other Settings
Report Interval 5 Set the time in minutes between the bandwidth usage report. The supported range is
from 1 to 9,999,999 minutes.
Station Shaping
Policy
default-access Select the policy from the drop-down menu, with these options:
 default-access
 fair access
 preferred access
WLAN Bandwidths
WLAN Select the Add button to specify, edit, or add a WLAN bandwidth allocation, and the
associated WLAN.
Bandwidth
Allocation
Use this control to allow you to set a minimum bandwidth to be allocated to a virtual AP
profile when there is congestion on the wireless network. Define this as a percentage.
Table 49 Profiles > QoS > VoIP Call Admission Control Profile Settings
Field Default Description
General Settings
Folder Top Set the folder with which the profile is associated. The drop-down menu displays all
folders available for association with the profile.
Name Blank Enter the name of the threshold profile.
Table 48 Profiles > QoS > Traffic Management Profile Settings (Continued)
Field Default Description