Voice Call Support In A Mesh Network - Cisco Mesh Access Points Deployment Manual

Voice Call Support in a Mesh Network

Voice Call Support in a Mesh Network
Table 38: Calls Possible with 1520 Series in 802.11a and 802.11b/g Radios, on page 178
calls in a clean, ideal environment.
Table 38: Calls Possible with 1520 Series in 802.11a and 802.11b/g Radios
No. of Calls
RAP
MAP1
MAP2
24 Traffic was bidirectional 64K voice flows. VoCoder type: G.711, PER <= 1%. Network setup was daisy-chained with no calls traversing more than 2 hops.
No external interference.
Table 39: Calls Possible with 1550 Series in 802.11a/n 802.11b/g/n Radios, on page 178
calls in a clean, ideal environment.
Table 39: Calls Possible with 1550 Series in 802.11a/n 802.11b/g/n Radios
No. of Calls
25
RAP
MAP1 (First Hop)
MAP2 (Second Hop)
25 Traffic was bidirectional 64K voice flows. VoCoder type: G.711, PER <= 1%. Network setup was daisy-chained with no calls traversing more than 2 hops.
No external interference.
While making a call, observe the MOS score of the call on the 7921 phone. A MOS score between 3.5 and 4
is acceptable.
Table 40: MOS Ratings
MOS rating
> 4.3
4.0
Cisco Mesh Access Points, Design and Deployment Guide, Release 7.3
178
◦ Disable voice active detection (VAD).
24
802.11a Radio
12
7
4
802.11a/n Radio
20 MHz
20
10
8
Connecting the Cisco 1500 Series Mesh Access Points to the Network
802.11b/g Radio
12
10
8
802.11a/n Radio 40 802.11b/g/n
MHz Backhaul
Radio 20 MHz
35 20
20 15
15 10
User satisfaction
Very satisfied
Satisfied
shows the actual
shows the actual
802.11b/g/n Backhaul
Radio 40 MHz
20
20
15
OL-27593-01