Print listening addresses when using bonjour in sip_audio_session.py

darcs-hash:20090324142308-58103-6ce33b14bcd60eda9fa03ea21885743aa50865ea
Fix reading use_srtp_without_tls setting in Session

darcs-hash:20090324143909-58103-a1297e2216337aff69deb0fdf2b66e8147cbf0ef