VoIP Defined
VoIP is an acronym for Voice Over Internet Protocol, which by itself means voice over the internet. It’s a technology that delivers voice communication and multimedia sessions (such as video) over Internet Protocol (IP) networks. Initial VoIP service providers offer solutions that mirror the architecture of the legacy telephone network whereas second- and third-generation...
Learn About VoIP Gateways
A VoIP gateway (or PSTN Gateway) is a device which converts telephony traffic into IP for transmission over a data network. They are used in two ways: 1. To Convert Incoming PSTN / Telephone Lines to VoIP / SIP: The VoIP gateway allows calls to be received and placed on the regular telephony network. In...
VoIP Definitions
This FAQ lists all the popular VoIP definitions. VoIP – Voice over Internet Protocol (also called IP telephony, internet telephony, and digital phone) is the routing of voice conversations over the Internet or any other IP-based network. SIP – Session Initiation Protocol is a protocol developed by the IETF MMUSIC Working Group and proposed standard for initiating,...
What is ALG?
ALG or Application Layer Gateway is a software component that manages specific application protocols such as SIP (Session Initiation Protocol) and FTP (File Transfer Protocol). An ALG acts as an intermediary between the Internet and an application server that can understand the application protocol. The ALG appears as the end point server...
What is a Good Source of VoIP Information?
3CX has a lot of useful information about VoIP on its website. Check out these VoIP information sources: VoIP FAQ VoIP Articles 3CX Blog Forums Free VoIP PBX Another good starting point is at Wikipedia: Voice Over IP