An open source communications platform, Asterisk® is a complete IP PBX in software. It runs on a wide variety of operating systems including Linux, Mac OS X, OpenBSD, FreeBSD and Sun Solaris and provides all of the features you would expect...
With Skype you can make free calls over the internet to other people on Skype for as long as you like, to wherever you like. It is free to download. You can also call landlines and mobiles at great rates.
Twilio allows your web application to easily make and receive phone calls and SMS text messages using a simple web service API and basic web programming skills like HTTP, XML, and REST. You can build hosted IVR, PBX and SMS applications wi...
Welcome to the VOIP Wiki - a reference guide to all things VOIP.This Wiki covers everything related to VOIP, software, hardware, VoIP service providers, reviews, configurations, standards, tips and tricks and everything else related to voic...
Google Voice gives you one number for all your phones, voicemail as easy as email, free US long distance, low rates on international calls, and many calling features like transcripts, call blocking, call screening, conference calling, SMS,...