Applying QoS for Voice Traffic

QoS is very important for Voice traffic which is delay sensitive. I won’t go into details of QoS over here and will just explain the configuration we normally use on a Voice gateway for QoS. class-map match-any Voice-RTP match ip precedence 5 match ip dscp ef match ip rtp 16384 16383 class-map match-any Voice-Cntl match ip precedence 3 match ip dscp af31 match access-group name voice-signal ! ip access-list extended voice-signal permit tcp any any range 2000 2002 permit udp any any eq 2427 permit tcp any any eq 2428 permit tcp any any eq 1720 permit tcp any any … Continue reading Applying QoS for Voice Traffic