Voice Call Support In A Mesh Network - Cisco aironet 1522 Design And Deployment Manual

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Voice Call Support in a Mesh Network

Table 19
point role (RAP or MAP) for planning purposes.show
Table 19
Mesh Access Point Role Radio
RAP
MAP1
MAP2
1. Bandwidth of 855 Mb/s with 50% of the bandwidth reserved for voice calls.
2. Bandwidth of 1076 Mb/s with 50% of the bandwidth reserved for voice calls.
Cisco Aironet 1520, 1130, 1240 Series Wireless Mesh Access Points, Design and Deployment Guide, Release 6.0
OL-20213-01
On the 802.11a or 802.11b/g/n > Voice parameters window:
Load-based CAC must be disabled
–
Enable admission control (ACM) for CCXv4 or v5 clients that have WMM enabled. Otherwise,
–
bandwidth-based CAC does not operate properly.
Set the maximum RF bandwidth to 50%
–
Set the reserved roaming bandwidth to 6%
–
Enable traffic stream metrics
–
On the 802.11a or 802.11b/g/n > EDCA parameters window:
Set the EDCA profile for the interface as voice optimized
–
Disable low latency MAC
–
On the QoS > Profile window:
Create a voice profile and select 802.1q as the wired QoS protocol type
–
On the WLANs > Edit > QoS window:
Select a QoS of platinum for voice and gold for video on the backhaul
–
Select allowed as the WMM policy
–
On the WLANs > Edit > QoS window:
– Select CCKM for authorization (auth) key management (mgmt) if you want to support fast
roaming. Refer to the
On the x > y window:
– Disable voice active detection (VAD)
lists a projected minimum and maximum of voice calls supported by radio type and mesh access
Theoretical Voice Call Support on a Mesh Network
802.11a
802.11b/g/n
802.11a
802.11b/g/n
802.11a
802.11b/g/n
Connecting the Cisco 1520 Series Mesh Access Point to Your Network
"Client Roaming" section on page
Minimum Calls
1
Supported
14
14
6
11
4
5
106.
Maximum Calls
2
Supported
18
18
9
18
7
9
113