User's Manual
Table Of Contents
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
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- Chapter 1.
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- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1.
- Chapter 1. Overview
- Chapter 2. Auto-Provisioning – For massive deployment of phones
- Chapter 3. Quality of Service (QoS) – Enhance the communication quality
- Chapter 4. Action URL and Active URI – Collaborative working environment through Computer Telephony Integration (CTI)
- Chapter 5. Active URI
- Chapter 6. Traversing NAT
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CHAPTER 3. QUALITY OF SERVICE (QOS) –
ENHANCE THE COMMUNICATION
QUALITY
3.1 VLAN
3.1.1 Introduction
VLAN (Virtual Local Area Network) is used to logically divide a physical network into several broadcast
domains. VLAN membership can be configured through software instead of physically relocating devices
or connections. Grouping devices with a common set of requirements regardless of their physical location
can greatly simplify network design. VLANs can address issues such as scalability, security and network
management.
VIP-1120PT/VIP-2140PT consists of two network interfaces – Network Access Port (NAP) and PC Access
Port (PAP), and an internal switch works in bridged mode. The NAP should be connected to the LAN
network or Internet via a switch or router. The PAP is to provide connected PC to access network or
VIP-1120PT/VIP-2140PT.