#0  0x00fda424 in __kernel_vsyscall ()
#1  0x00a4d7c1 in raise () from /lib/libc.so.6
#2  0x00a4f092 in abort () from /lib/libc.so.6
#3  0x00a8bdad in __libc_message () from /lib/libc.so.6
#4  0x00a922a1 in malloc_printerr () from /lib/libc.so.6
#5  0x080d25a5 in __frame_free (fr=0xb7a097a0, cache=1) at frame.c:368
#6  0x080d25cd in ast_frame_free (frame=0xb7a097a0, cache=1) at frame.c:380
#7  0x0809dd07 in ast_generic_bridge (c0=0xb7c00968, c1=0xb7a05710, config=0xb70cc3e0, fo=0xb70cb608, rc=0xb70cb604, bridge_end={tv_sec = 0, tv_usec = 0})
    at channel.c:4907
#8  0x0809f3c8 in ast_channel_bridge (c0=0xb7c00968, c1=0xb7a05710, config=0xb70cc3e0, fo=0xb70cb608, rc=0xb70cb604) at channel.c:5239
#9  0x080c5d3d in ast_bridge_call (chan=0xb7c00968, peer=0xb7a05710, config=0xb70cc3e0) at features.c:2585
#10 0x00cfca34 in dial_exec_full (chan=0xb7c00968, data=0xb70cc894, peerflags=0xb70cc778, continue_exec=0x0) at app_dial.c:2258
#11 0x00cfd2f6 in dial_exec (chan=0xb7c00968, data=0xb70cc894) at app_dial.c:2342
#12 0x080f30e2 in pbx_exec (c=0xb7c00968, app=0xa4119c0, data=0xb70cc894) at pbx.c:1348
#13 0x00e2370c in realtime_exec (chan=0xb7c00968, context=0xb7c00bd8 "incoming-mobile", exten=0xb7c00c28 "s", priority=2, 
    callerid=0xb7c01120 "36208225771", data=0xa481535 "") at pbx_realtime.c:253
#14 0x080fa60b in pbx_extension_helper (c=0xb7c00968, con=0x0, context=0xb7c00bd8 "incoming-mobile", exten=0xb7c00c28 "s", priority=2, label=0x0, 
    callerid=0xb7c01120 "36208225771", action=E_SPAWN, found=0xb70d1250, combined_find_spawn=1) at pbx.c:3721
#15 0x080fb881 in ast_spawn_extension (c=0xb7c00968, context=0xb7c00bd8 "incoming-mobile", exten=0xb7c00c28 "s", priority=2, 
    callerid=0xb7c01120 "36208225771", found=0xb70d1250, combined_find_spawn=1) at pbx.c:4167
#16 0x080fbf1c in __ast_pbx_run (c=0xb7c00968, args=0x0) at pbx.c:4257
#17 0x080fd33e in pbx_thread (data=0xb7c00968) at pbx.c:4544
#18 0x0814bd04 in dummy_start (data=0xb7c01598) at utils.c:968
#19 0x00bcb935 in start_thread () from /lib/libpthread.so.0
#20 0x00b0094e in clone () from /lib/libc.so.6