Comment # 1 on bug 899327 from Klaus K�mpf

#0  0x00007f1564688274 in ms_filter_call_method () from
/usr/lib64/libmediastreamer_base.so.3
#1  0x00007f15648b89bf in linphone_core_set_mic_gain_db (lc=lc@entry=0x1131ba0,
gaindb=gaindb@entry=0) at linphonecore.c:3658
#2  0x00007f15648d756e in _post_configure_audio_stream (st=0x14fbf10,
lc=lc@entry=0x1131ba0, muted=<optimized out>) at linphonecall.c:1346
#3  0x00007f15648d8a19 in post_configure_audio_streams (call=0x14fd560) at
linphonecall.c:1392
#4  linphone_call_start_audio_stream (use_arc=1 '\001', send_ringbacktone=0
'\000', muted=1 '\001', cname=0x1525450 "sip:kkaempf@149.44.171.228",
call=0x14fd560)
    at linphonecall.c:1566
#5  linphone_call_start_media_streams (call=call@entry=0x14fd560,
all_inputs_muted=<optimized out>, send_ringbacktone=<optimized out>) at
linphonecall.c:1732
#6  0x00007f15648cbd52 in linphone_core_update_streams (lc=0x1131ba0,
call=0x14fd560, new_md=0x153fdf0) at callbacks.c:164
#7  0x00007f15648c60d1 in call_ringing (ev=0x153a030, sal=0x129a460) at
sal_eXosip2.c:1241
#8  process_event (ev=0x153a030, sal=0x129a460) at sal_eXosip2.c:2195
#9  sal_iterate (sal=0x129a460) at sal_eXosip2.c:2286
#10 0x00007f15648bbe73 in linphone_core_iterate (lc=0x1131ba0) at
linphonecore.c:2106
#11 0x0000000000418920 in linphone_gtk_iterate (lc=0x1131ba0) at main.c:557
#12 0x00007f1562a78553 in ?? () from /usr/lib64/libglib-2.0.so.0
#13 0x00007f1562a77b35 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#14 0x00007f1562a77e98 in ?? () from /usr/lib64/libglib-2.0.so.0
#15 0x00007f1562a7815a in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#16 0x00007f1563d36d07 in gtk_main () from /usr/lib64/libgtk-x11-2.0.so.0
#17 0x00000000004165bc in main (argc=1, argv=0x7fff4b60a7d8) at main.c:1994