VoIP Plans

VoIP Business

VoIP Business Plans

VoIP Residential

VoIP Residential Plans

SIP Trunking

SIP Trunk Plans

VoIP Addons

VoIP Addons & Features

We provide a wide range of VoIP Services including IP PBX Installs, Programming of our SIP Trunks and Phone Sets IP based or Hybrid.
Products

VoIP IP Phones

We carry a wide range of manufacturers

VoIP Video Phones

Make the first impression with Video Conferencing

VoIP Wireless

DECT, WiFi and Bluetooth technologies

VoIP Conference

Conference Phones for small to large conference rooms

VoIP Adapters

use existing analog devices like phone or fax machine

IP PBX Systems

On premise based VoIP Phone Systems, feature-rich, flexibility

VoIP Headsets

Corded, wireless, bluetooth headsets brands like Jabra, Plantronics, Yealink

VoIP Intercom/Door

Security or workplace safety, IP Intercom. Door phone to VoIP telephony system

We offer a wide range of ICT products including Executive VoIP Hardware and Premium Networking Endpoint Equipment.
ICT Services

Dedicated Web Hosting

Premium cPanel Hosting Plans

Reseller Hosting

Start your own Web Hosting Business

Hosting Addons

View our selection of Hosting Addons

Email Hosting

Basic or Corporate Email Hosting

Managed IT

Providing Monitoring & Managed Services

ictServices - All of our web hosting and reseller plans come with Static IP, cPanel the leading hosting control panel allowing easy editing and full control of your website.

ictService - Providing Remote Monitoring to keep a close eye on your critical infrastructure and local devices, allowing us to address potential issues before they disrupt your operation
Domains

Register Domain

Your very own website address

Transfer Domain

Move your domain to ictTech Support

Hundreds of customer's around the world trust ictTech Support to manage their domain. We provide freedom and control including full access & the ability to move/sell your domains.
Company

Company

Learn more about ictTech Support

Why Choose Us

The reasons why to choose us

Announcements

Get up to date with the latest news

Downloads

View our collection of downloads

Learn more about what makes ictTech Support the best choice for Business VoIP and Hosting Services.
Support

Contact Form

Contact our pre-sales department

Knowledgebase

View our vast documentation

If you have a pre-sale question or issue with your website we are here to help.

Knowledgebase

Portal Home > Knowledgebase > VoIP > Understanding SIP (Session Initiation Protocol)

Understanding SIP (Session Initiation Protocol) Print

SIP, SIP Channels, SIP Ports, VoIP, Wireshark, Presentation, Protocols
1

SIP（Session Initiation Protocol) is the application layer control protocol for multimedia communications on IP networks, it is used to create, modify, and terminate a session process which has one or more participants.

Watch this short video for further information:

Was this answer helpful?

Related Articles

SIP/VoIP Proxy Servers Here are our recommended Proxy host servers to connect your device or IP PBX to our network.... Cisco SPA112 Make sure to install the latest firmware from Cisco Software. Version 1.3 or later should be... Dial Plan for Linksys ATAs The basic dial plan provided in the configuration samples for the Linksys ATA devices (like PAP2,... Cisco PAP2 Configuration Details Step 1 The first step is to find out what IP Address your adapter is... Cisco/Linksys Star Codes The Cisco/Linksys ATA devices come with In-Built star codes that activate certain features on...

« Back