#0  0xb7e27709 in free () from /lib/tls/i686/cmov/libc.so.6
#1  0x080944d6 in ast_frame_free (fr=0xb7eeeff4, cache=1) at frame.c:360
#2  0xb7324bca in dial_exec_full (chan=0x81eed08, data=0xb6d63ff8, peerflags=0xb6d5ff24, continue_exec=0x0)
    at /build/asterisk-1.4.11~dfsg/include/asterisk/frame.h:390
#3  0xb7328f2d in dial_exec (chan=0x81eed08, data=0xb6d63ff8) at app_dial.c:1728
#4  0x080aa757 in pbx_exec (c=0x81eed08, app=0x81ca1c0, data=0xb6d63ff8) at pbx.c:532
#5  0x080aeec3 in pbx_extension_helper (c=0x81eed08, con=<value optimized out>, context=0x81eee88 "extensions", 
    exten=0x81eeed8 "997155754", priority=1, label=0x0, callerid=0x81e3ce0 "201", action=E_SPAWN) at pbx.c:1833
#6  0x080b056e in __ast_pbx_run (c=0x81eed08) at pbx.c:2388
#7  0x080b179e in pbx_thread (data=0x81eed08) at pbx.c:2603
#8  0x080d5ae2 in dummy_start (data=0x81e2e78) at utils.c:775
#9  0xb7f72240 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#10 0xb7e8d4ae in clone () from /lib/tls/i686/cmov/libc.so.6