Telepathy-ring is a Telepathy Connection Manager for GSM telephony. It 
was originally written by Pekka Pessi and is currently used on the Nokia 
N900.

Telepathy-ring has now been ported to Ofono, and the source code for the 
2.x.x series is available under the LGPL.

The project is hosted at:
http://meego.gitorious.org/meego-cellular/telepathy-ring

Regards,
Lassi