week 3

2.3 Unified communications

2.3.1 Understand communication types, their purposes and functions:

• VoIP (Voice over Internet Protocol)

• SIP (Session Initiation Protocol).

2.3.2 Understand the relationship between VOIP and SIP.

2.3.3 Know definitions of each network metric:

• speed

• bandwidth

• latency

• jitter

• packet loss.

2.3.4 Know and understand the relationships between the network metrics and their impact on user experience when communicating on a network.

2.3.5 Know and understand the purpose of codecs:

• compressing data

• uncompressing data.

2.3.6 Know the different types of codecs, their purpose and the types of algorithm they use:

• MPEG-4 (video, lossy/lossless)

• MP3 (audio, lossy)

• FLAC (audio, lossless)

Last Updated
2025-06-05 09:19:59