symPhonie is a SIP softphone for MAC, which focuses on the following features:
* simple to configure and to use
* simplified configuration for freephonie (SIP phone service offered by French IP provider Free), and possibly other
* handling of registration depending on location (e.g. when being at home, do not stay registered, thus letting calls being redirected to normal phone, and registered when being on other network)
* proper handling of power suspend
* integration with Address Book
* integration with keyring to store SIP account password
* based on open source protocol Stacks
