Quality of Service Disadvantages of packet switched networks can be solved using QoS. ITU recommendations (G.114 specifications): Delay < or = 150 ms one way Jitter < or = 30 ms Packet loss < or = 1% Bandwidth for Voice and Video RTP is subject to codec, sampling, L2 and L3 overhead. Bandwidth for signaling … Continue reading CCNA Voice Summary – Part 11 →