Alternative endpoints

While most users of FreeSWITCH will use SIP (and thus mod_sofia), there are other ways for FreeSWITCH to communicate with the world. Here are brief descriptions of three methods that you may wish to investigate further.

Skype and GSM endpoints

Not everyone has the budget to buy hardware or services to connect to the Skype and GSM (Global System for Mobile Communications) networks, especially when first learning a new technology. FreeSWITCH has an alternative to offer to those willing to do a little work: a pair of endpoints (that is, channel drivers) that allow inbound and outbound voice calls and messaging (chatting and SMSs) in the cheapest possible way.

Both mod_skypopen and mod_gsmopen support full integration with all the FreeSWITCH features, have CLI commands for diagnostic and control, full events interaction, and can be used in the same way as the Sofia SIP workhorse endpoint module.

Both the mod_skypopen and mod_gsmopen modules have the same general structure...