---
title: "VoIP 101"
slug: "voip-101"
type: "index"
canonical: "docs.ucstack.io/voip-101"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ucstack.io/llms.txt
> Use this file to discover all available pages before exploring further.

# VoIP Basics

5 articles

## [VoIP Glossary - Know Your Terms](https://docs.ucstack.io/docs/voip-glossary-know-your-terms.md)

Updated on 2025-08-12 | Published on 2025-08-08

Analog audio signals Analog audio signals transmit voice data over telephone lines by modulating the frequency of sound waves to replicate pitch accurately. This same principle applies to radio wave...

## [SIP Basic Call Flow Explained](https://docs.ucstack.io/docs/sip-basics.md)

Updated on 2026-08-26 | Published on 2025-08-08

Introduction This document provides a structured overview of the Session Initiation Protocol (SIP) call flow, covering the complete lifecycle of a typical VoIP session—from initial registration...

## [Understanding the spectrum of 2.4GHz and 5GHz wireless networks](https://docs.ucstack.io/docs/understanding-the-spectrum-of-24ghz-and-5ghz-wireless-networks.md)

Updated on 2025-07-23 | Published on 2025-07-11

Some wireless equipment does not offer customization for the wireless network in terms of creating SSIDs with different characteristics. All SSIDs created inherit the same radio spectrum configuration...

## [Site Survey](https://docs.ucstack.io/docs/site-survey.md)

Updated on 2025-07-31 | Published on 2025-07-11

A site survey identifies the optimum locations for APs, given the access and bandwidth requirements outlined by the plan and design. It is important to note that a quality site survey is much more...

## [Mobile or Web Phone at Home over Wi-Fi](https://docs.ucstack.io/docs/using-mobile-or-web-phone-at-home-over-wi-fi-1.md)

Updated on 2026-02-16 | Published on 2025-07-11

Overview Mobile and Web Phone allow you to stay connected from anywhere. At home, Wi-Fi quality is critical for call quality and reliability. This guide provides best practices and troubleshooting...