Apparently Asterisk is not Linux-only. Version 0.60 of the Windows version of Asterisk has been released recently. This comes from Asterisk build 1.2.14. According to asteriskwin32.com, the following are the features of this new release:
- Loadable Modules Support : no longer a standalone application (unload supported)
- Native sound support for MOH: mpg123 no longer requested (but still supported)
- AEL support (Asterisk Extension Language v1)
- DUNDI support
- CAPI: upgraded to v0.7.0 + added new feature Remote CAPI support : ISDN Router w/Remote CAPI support
- TAPI: upgraded to v0.2.0
- CELLIAX: Cellular Network connection via audio drivers (soundcard & bluetooth dongle)
- Voicemail: send only 1 voicemail while installed as service application
- SIP Channel bug with IP PHONE : audio confusing
- TAPI: problem with dialogic hardware
- GPL Compliant: usage of GNU Readline & Interoperability Key (for loadable modules)
- New Management Application: PBX MANAGER F.E (Multi-lingual)
AsteriskWin32 will work over PSTN through voice-enabled modems installed on your computer, ISDN via ISDN controllers, or through a mobile network via GSM adaptor.