Program terminated with signal SIGSEGV, Segmentation fault.
#0  format_in_format_cap (cap=0x0, cap=0x0, format=0x11d9988) at format_cap.c:184
184             for (i = 0; i < AST_VECTOR_SIZE(&cap->preference_order); i++) {

#0  format_in_format_cap (cap=0x0, cap=0x0, format=0x11d9988) at format_cap.c:184
#1  __ast_format_cap_append (cap=0x0, format=0x11d9988, framing=0, tag=0x617240 "ast_format_cap_append", file=0x62c806 "format_cap.c", line=279, func=0x62ca50 <__PRETTY_FUNCTION__.9778> "ast_format_cap_append_from_cap")
    at format_cap.c:201
#2  0x00000000004e4724 in ast_format_cap_append_from_cap (dst=0x0, src=src@entry=0x7f6d500cde28, type=type@entry=AST_MEDIA_TYPE_AUDIO) at format_cap.c:279
#3  0x00007f6d8e757035 in simple_bridge_request_stream_topology_update (existing_topology=<optimized out>, requested_topology=requested_topology@entry=0x7f6d502114f8) at bridge_simple.c:100
#4  0x00007f6d8e7571a3 in simple_bridge_stream_topology_changed (bridge=0x7f6d48207dd0, bridge_channel=<optimized out>) at bridge_simple.c:234
#5  0x0000000000485e1c in bridge_handle_trip (bridge_channel=0x7f6d48208370) at bridge_channel.c:2597
#6  bridge_channel_wait (bridge_channel=0x7f6d48208370) at bridge_channel.c:2760
#7  bridge_channel_internal_join (bridge_channel=bridge_channel@entry=0x7f6d48208370) at bridge_channel.c:2911
#8  0x000000000046e681 in ast_bridge_join (bridge=bridge@entry=0x7f6d48207dd0, chan=chan@entry=0x7f6d50429950, swap=swap@entry=0x0, features=features@entry=0x7f6d57f7ad00, tech_args=tech_args@entry=0x0, 
    flags=flags@entry=(AST_BRIDGE_JOIN_PASS_REFERENCE | AST_BRIDGE_JOIN_INHIBIT_JOIN_COLP)) at bridge.c:1749
#9  0x00000000005d7c98 in ast_bridge_call_with_flags (chan=chan@entry=0x7f6d50429950, peer=peer@entry=0x7f6d480f7030, config=config@entry=0x7f6d57f7b160, flags=flags@entry=0) at features.c:671
#10 0x00000000005d7da7 in ast_bridge_call (chan=chan@entry=0x7f6d50429950, peer=peer@entry=0x7f6d480f7030, config=config@entry=0x7f6d57f7b160) at features.c:710
#11 0x00007f6d8db22da4 in dial_exec_full (chan=0x7f6d50429950, data=<optimized out>, peerflags=peerflags@entry=0x7f6d57f7baa8, continue_exec=continue_exec@entry=0x0) at app_dial.c:3267
#12 0x00007f6d8db23bf9 in dial_exec (chan=<optimized out>, data=<optimized out>) at app_dial.c:3323
#13 0x0000000000522879 in pbx_exec (c=c@entry=0x7f6d50429950, app=app@entry=0x337b4d0, 
    data=data@entry=0x7f6d57f7cc40 "PJSIP/....") at pbx_app.c:492
#14 0x0000000000518948 in pbx_extension_helper (c=0x7f6d50429950, con=<optimized out>, context=0x7f6d5042a310 "dundiDial", exten=0x7f6d5042a360 "s", priority=43, label=<optimized out>, callerid=0x7f6d5047fe80 "...", 
    action=E_SPAWN, found=0x7f6d57f7eda4, combined_find_spawn=1) at pbx.c:2947
#15 0x0000000000518fc2 in ast_spawn_extension (c=c@entry=0x7f6d50429950, context=<optimized out>, exten=exten@entry=0x7f6d5042a360 "s", priority=priority@entry=43, callerid=callerid@entry=0x7f6d5047fe80 "...", 
    found=found@entry=0x7f6d57f7eda4, combined_find_spawn=1) at pbx.c:4197
#16 0x00007f6d8d102dcf in _macro_exec (chan=<optimized out>, data=<optimized out>, exclusive=0) at app_macro.c:458
#17 0x0000000000522879 in pbx_exec (c=c@entry=0x7f6d50429950, app=app@entry=0x318dc40, data=data@entry=0x7f6d57f7f980 "....") at pbx_app.c:492
#18 0x00007f6d93dfd176 in realtime_exec (chan=0x7f6d50429950, context=<optimized out>, exten=<optimized out>, priority=<optimized out>, callerid=<optimized out>, data=<optimized out>) at pbx_realtime.c:361
#19 0x0000000000518cb2 in pbx_extension_helper (c=0x7f6d50429950, con=<optimized out>, context=0x7f6d5042a310 "dundiDial", exten=0x7f6d5042a360 "s", priority=1, label=0x0, callerid=0x7f6d5047fe80 "....", action=E_SPAWN, 
    found=0x7f6d57f82cdc, combined_find_spawn=1) at pbx.c:2960
#20 0x0000000000518fc2 in ast_spawn_extension (c=c@entry=0x7f6d50429950, context=<optimized out>, exten=exten@entry=0x7f6d5042a360 "s", priority=priority@entry=1, callerid=callerid@entry=0x7f6d5047fe80 "...", 
    found=found@entry=0x7f6d57f82cdc, combined_find_spawn=1) at pbx.c:4197
#21 0x000000000051a37d in __ast_pbx_run (c=c@entry=0x7f6d50429950, args=args@entry=0x0) at pbx.c:4371
#22 0x000000000051b75b in pbx_thread (data=data@entry=0x7f6d50429950) at pbx.c:4695
#23 0x0000000000596cec in dummy_start (data=<optimized out>) at utils.c:1249
#24 0x00007f6de773f684 in start_thread () from /lib64/libpthread.so.0
#25 0x00007f6de6ca6eed in clone () from /lib64/libc.so.6