net: use sockaddr when relevant

daemon/src/audio/audiortp/audio_rtp_factory.cpp

daemon/src/audio/audiortp/audio_symmetric_rtp_session.cpp

daemon/src/audio/audiortp/audio_symmetric_rtp_session.h

daemon/src/call.cpp

daemon/src/call.h

daemon/src/eventthread.cpp

daemon/src/eventthread.h

daemon/src/iax/iaxvoiplink.cpp

daemon/src/sip/sdp.cpp

daemon/src/sip/sdp.h

daemon/src/sip/sip_utils.cpp

daemon/src/sip/sip_utils.h

daemon/src/sip/sipaccount.cpp

daemon/src/sip/sipaccount.h

daemon/src/sip/siptransport.cpp

daemon/src/sip/siptransport.h

daemon/src/sip/sipvoiplink.cpp

daemon/src/sip/sipvoiplink.h