Next 2 are backtraces on call from polycom to cisco with one-touch parking performed by cisco

(gdb) bt full
#0  0xb75002a1 in ?? ()
No symbol table info available.
#1  0xb7500278 in ?? ()
No symbol table info available.
#2  0x08086d75 in ast_hangup (chan=0xb7502400) at channel.c:1499
        res = 0
        __PRETTY_FUNCTION__ = "ast_hangup"
#3  0x080cf375 in __ast_pbx_run (c=0xb7502400) at pbx.c:2561
        status = 0x278 <Address 0x278 out of bounds>
        waittime = 632
        found = 1
        res = 0
        error = 1
        __PRETTY_FUNCTION__ = "__ast_pbx_run"
#4  0x080d0f6e in pbx_thread (data=0x278) at pbx.c:2621
No locals.
#5  0x08100f65 in dummy_start (data=0x81500ed) at utils.c:912
        _buffer = {__routine = 0x8068770 <ast_unregister_thread>, __arg = 0xb73b3bb0, __canceltype =
        ret = (void *) 0xb7500540
        a = {start_routine = 0x80d0f60 <pbx_thread>, data = 0xb7502400, name = 0xb7500540 "pbx_threa
#6  0xb7efe20e in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#7  0xb7e580de in clone () from /lib/tls/libc.so.6
No symbol table info available.


(gdb) bt full
#0  0xb7eebad8 in main_arena () from /lib/tls/libc.so.6
No symbol table info available.
#1  0x08086d75 in ast_hangup (chan=0x81e5480) at channel.c:1499
        res = 0
        __PRETTY_FUNCTION__ = "ast_hangup"
#2  0x080cf375 in __ast_pbx_run (c=0x81e5480) at pbx.c:2561
        status = 0xb7eebac0 "¸ºî·¸ºî·xT\036\bxT\036\bȺî·Èºî·Ðºî·Ðºî·Øºî·Øºî·àºî·àºî·èºî·èºî·ðºî·ðºî·øºî·øºî·"
        waittime = -1209091392
        found = 1
        res = 0
        error = 1
        __PRETTY_FUNCTION__ = "__ast_pbx_run"
#3  0x080d0f6e in pbx_thread (data=0xb7eebac0) at pbx.c:2621
No locals.
#4  0x08100f65 in dummy_start (data=0x81500c8) at utils.c:912
        _buffer = {__routine = 0x8068770 <ast_unregister_thread>, __arg = 0xb756ebb0, __canceltype = 0,
  __prev = 0x0}
        ret = (void *) 0x81e5ee8
        a = {start_routine = 0x80d0f60 <pbx_thread>, data = 0x81e5480,
  name = 0x81e5ee8 "pbx_thread", ' ' <repeats 11 times>, "started at [ 2645] pbx.c ast_pbx_start()"}
#5  0xb7f2e20e in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#6  0xb7e880de in clone () from /lib/tls/libc.so.6
No symbol table info available.


Next 2 are backtraces on call from cisco to polycom with one-touch parking performed by polycom

(gdb) bt full
#0  0xb7f16ae3 in main_arena () from /lib/tls/libc.so.6
No symbol table info available.
#1  0xfffffff1 in ?? ()
No symbol table info available.
#2  0xfffffff1 in ?? ()
No symbol table info available.
#3  0xfffffff1 in ?? ()
No symbol table info available.
#4  0xfffffff1 in ?? ()
No symbol table info available.
#5  0xfffffff1 in ?? ()
No symbol table info available.
#6  0xfffffff1 in ?? ()
No symbol table info available.
#7  0xfffffff1 in ?? ()
No symbol table info available.
#8  0x08086d75 in ast_hangup (chan=0x81da950) at channel.c:1499
        res = 0
        __PRETTY_FUNCTION__ = "ast_hangup"
#9  0x080cf375 in __ast_pbx_run (c=0x81da950) at pbx.c:2561
        status = 0xb8b7f120 <Address 0xb8b7f120 out of bounds>
        waittime = -1195904736
        found = 1
        res = 0
        error = 1
        __PRETTY_FUNCTION__ = "__ast_pbx_run"
#10 0x080d0f6e in pbx_thread (data=0xb8b7f120) at pbx.c:2621
No locals.
---Type <return> to continue, or q <return> to quit---
#11 0x08100f65 in dummy_start (data=0x81500c8) at utils.c:912
        _buffer = {__routine = 0x8068770 <ast_unregister_thread>, __arg = 0xb745dbb0, __canceltype = 0,
  __prev = 0x0}
        ret = (void *) 0x81db8d8
        a = {start_routine = 0x80d0f60 <pbx_thread>, data = 0x81da950,
  name = 0x81db8d8 "pbx_thread", ' ' <repeats 11 times>, "started at [ 2645] pbx.c ast_pbx_start()"}
#12 0xb7f5920e in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#13 0xb7eb30de in clone () from /lib/tls/libc.so.6
No symbol table info available.


(gdb) bt full
#0  0xb7e760d4 in free () from /lib/tls/libc.so.6
No symbol table info available.
#1  0x0807f671 in ast_channel_free (chan=0x81c7520) at channel.c:1230
        __res = (struct ast_channel *) 0x1
        fd = 0
        headp = (struct varshead *) 0x81c7864
        name = '\0' <repeats 20 times>, "G=ø·\000\000\000\000\000\000\000\000\023\000\000\000*\000\000\000\f\000\000\000\005\000\000\000\a\000\000\000l\000\000\000\002\000\000\000Ù\000\000\000\001\000\000\000ÀÇÿÿ\000\000\000\000\000\000\000"
        __PRETTY_FUNCTION__ = "ast_channel_free"
#2  0x08086b5e in ast_hangup (chan=0x81c7520) at channel.c:1522
        res = 0
        __PRETTY_FUNCTION__ = "ast_hangup"
#3  0x080cf375 in __ast_pbx_run (c=0x81c7520) at pbx.c:2561
        status = 0x0
        waittime = 0
        found = 1
        res = 0
        error = 1
        __PRETTY_FUNCTION__ = "__ast_pbx_run"
#4  0x080d0f6e in pbx_thread (data=0x0) at pbx.c:2621
No locals.
#5  0x08100f65 in dummy_start (data=0x0) at utils.c:912
        _buffer = {__routine = 0x8068770 <ast_unregister_thread>, __arg = 0xb74c2bb0, __canceltype = 0, __prev = 0x0}
        ret = (void *) 0x81c7ef8
        a = {start_routine = 0x80d0f60 <pbx_thread>, data = 0x81c7520, name = 0x81c7ef8 "pbx_thread", ' ' <repeats 11 times>, "started at [ 2645] pbx.c ast_pbx_start()"}
#6  0xb7f8220e in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#7  0xb7edc0de in clone () from /lib/tls/libc.so.6
No symbol table info available.