вот собственно что выплевывает при запуске:
linphonec> Registration on sip:80.73.10.252 successful.
linphonec> call хххххххххх
Error from linphone_core_invite.
linphonec> call хххххххххх@80.73.10.252
ortp-error-send(): Connection refused
connect: Connection refused
Contacting <sip:0997311505@80.73.10.252>
linphonec> linphonec> Remote ringing.
linphonec> Early media.
linphonec> Segmentation fault
root@debian:/home/linphone-3.3.99#
