We have just discovered a VOIP distro that you can rent for £15/m from kimsufi & ovh called Elastix® !
ohloh stats suggest that the Elastix interface is mainly written in PHP and Elastix® even sell a VOIP over USB Elastibank™ Channel Bank allow you to connect to any Elastix® Appliance model via USB 2.0 eliminating the need for an intermediating PCI (the solution used by other channel banks).
Elastix® technology partners include aastra, atcom, openvox, redfone, sangoma and yealink !
There are even some Elastix videos on YouTube !
Kiax started in early 2004 as a small program mainly aimed to provide a simple user interface for making VoIP calls with Asterisk PBX (an open source VoIP PBX).
Download a copy from https://sourceforge.net/projects/kiax/
TalkinIP enables you to make calls to locations worldwide at the absolute lowest rates.
You can use software on your computer or a SIP enabled device (Asterisk, Trixbox, SIP Gateways, IAD, IP PBX) to place calls using the internet.
TalkinIP provides you outbound calling to US from 1.5 cents per minute and service to over 227 countries at very competitive international rates.
Get started for as little as $15 prepaid credit. Your credit will never expire, so you can make calls next week or next year.
They even have howto setup documents for PBXs and softphones
There is a Fedora VOIP SIG that aims to package as many Voice over IP applications as possible for Fedora. To that end, members will assist in packaging VoIP applications and make reviewing VoIP-related packages our priority.
Packages they are working on include asterix, openser and twinkle.
trixbox HUDlite is the most powerful desktop telephony convergence application available for trixbox PBX systems. HUDlite allows you to instantly see the status of all of the extensions within your organization, dial extensions by double clicking on them, and communicate efficiently with instant messaging.
# help-aah Commands Descriptions
config set the local time zone and keyboard type
netconfig configure ethernet interface
genzaptelconf autoconfig Zaptel cards
bundle-crm packup CRM to run on another box
restore-aah restore from a backup
install-ZAPHFC install HFC ISDN support using BRISTUFF
install-AVMB1ISDN install support for AVB B1 ISDN card
install-EiconDiva install support for Eicon Diva ISDN card
install-pdf installs support for emailing PDFs of faxes
passwd-maint set master password for web GUI
passwd-amp set password for amp only
passwd-meetme set password for Web MeetMe only
passwd set root password for console login
passwd admin set admin password for checking system mail
setup-cisco create a SIPDefault.cnf in /tftpboot
setup-dhcp set up a dhcp server
rebuild_zaptel rebuild zaptel driver after kernel update
asterisk -r Asterisk CLI
yum -y update Get latest patches for CentOS