Added new setting for specifying the used sip trasnports and their order in config.ini.sample

darcs-hash:20081208170859-58252-f01b675e1c5673189af09ec72f142a5fd71891b0
Mention session duration seconds MOD 60 in sip_audio_session.py

darcs-hash:20081208171239-58103-a3f467903037ec6f91b1f870600bae3bbb379e37