Voice over IP. Why Challenges/solutions Voice codec and packet delay. Motivation: Benefits: Reduce backbone network costs: managing a single packet backbone instead of multiple backbones (packet switching for IP and circuit switching for voice). No way for TDM networks to support IP traffic
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Codec kbps sample size(bits) no. of samples no. of bytes delay
G.711 64 8 80 80 10ms
G.722 64 8 160 160 20ms
G.726 16(24…) 2(3/4/5) 80 20 10ms
G.726 16 2 240 60 30ms
G.726 16kbps encoding with a packet time of 10 ms
TSpec: Bucket depth, b
Bucket rate: r
Peak rate: p
minimum policed unit: m
Maximum packet size: M
How to map?