Right GSM Subscription Selecto
A program which calculates the best GSM subscription available for your personal situation. Can handle losts of tricks providers

Communications::Telephony
Office/Business::Financial
Other/Nonlisted Topic

TOSI
"Telephony Open Source Interface", a standard telephony interface and library for terminal settings, third-party call control

Communications::Conferencing
Communications::Telephony

Dialogic for Java
D4J`s intent is to map Dialogic resources to classes, in order to build on top of them whatever system you may want to

Communications::Telephony

The Linux-IrDA Project
Welcome to the Linux-IrDA project. The overall goal of this project is to make an implementation of the IrDA (tm) standards

Communications::Telephony
System::Networking

Siphon
Siphon will ultimately be a Software Voice-Over-IP phone using the SIP protocol. It will support quicknet cards as well

Communications::Telephony

esms -- send SMS to mobile phones
esms is a simple program which sends SMS (short messages) to cellular phones. It splits big messages into many fragments

Communications::Internet Phone
Communications::Telephony
Internet

The Joshua Tree Project
The goal of this project is to produce an OpenSource SIP stack written in pure C. This project will be considered complete

Communications::Chat
Communications::Conferencing
Communications::Telephony

OpenH323 Gatekeeper - The GNU Gatekeeper
The GNU Gatekeeper (GnuGk) is a full featured H.323 gatekeeper under GPL license. It includes Radius, LDAP and database

Communications::Conferencing
Communications::Internet Phone
Communications::Telephony

PreViking Telephony Switching System
PreViking is a telephony deamon that is built with a flexible architecture. There is a driver abstraction layer that allows

Communications::Telephony

Bayonne, telephony server of GNU project
Bayonne is supported from Savanna.gnu.org. Please visit there. Sourceforge is generally depreciated except for mailing lists

Communications::Telephony
Multimedia::Sound/Audio
Software Development