Program received signal SIGSEGV, Segmentation fault.
[Switching to LWP 14314]
0xb70adc4a in ?? () from /usr/lib/asterisk/modules/res_rtp_asterisk.so
(gdb) bt
#0  0xb70adc4a in ?? () from /usr/lib/asterisk/modules/res_rtp_asterisk.so
#1  0xb70b03d1 in ?? () from /usr/lib/asterisk/modules/res_rtp_asterisk.so
#2  0xb6e5d760 in ?? () from /usr/lib/asterisk/modules/chan_sip.so
#3  0x09550870 in ?? ()
#4  0x00000001 in ?? ()
#5  0xb6ee20bf in ?? () from /usr/lib/asterisk/modules/chan_sip.so
#6  0xb6ed1c89 in ?? () from /usr/lib/asterisk/modules/chan_sip.so
#7  0x0956cbe8 in ?? ()
#8  0x00000000 in ?? ()
(gdb) bt full
#0  0xb70adc4a in ?? () from /usr/lib/asterisk/modules/res_rtp_asterisk.so
No symbol table info available.
#1  0xb70b03d1 in ?? () from /usr/lib/asterisk/modules/res_rtp_asterisk.so
No symbol table info available.
#2  0xb6e5d760 in ?? () from /usr/lib/asterisk/modules/chan_sip.so
No symbol table info available.
#3  0x09550870 in ?? ()
No symbol table info available.
#4  0x00000001 in ?? ()
No symbol table info available.
#5  0xb6ee20bf in ?? () from /usr/lib/asterisk/modules/chan_sip.so
No symbol table info available.
#6  0xb6ed1c89 in ?? () from /usr/lib/asterisk/modules/chan_sip.so
No symbol table info available.
#7  0x0956cbe8 in ?? ()
No symbol table info available.
#8  0x00000000 in ?? ()
No symbol table info available.
(gdb) thread apply all bt

Thread 1 (LWP 14314):
#0  0xb70adc4a in ?? () from /usr/lib/asterisk/modules/res_rtp_asterisk.so
#1  0xb70b03d1 in ?? () from /usr/lib/asterisk/modules/res_rtp_asterisk.so
#2  0xb6e5d760 in ?? () from /usr/lib/asterisk/modules/chan_sip.so
#3  0x09550870 in ?? ()
#4  0x00000001 in ?? ()
#5  0xb6ee20bf in ?? () from /usr/lib/asterisk/modules/chan_sip.so
#6  0xb6ed1c89 in ?? () from /usr/lib/asterisk/modules/chan_sip.so
#7  0x0956cbe8 in ?? ()
#8  0x00000000 in ?? ()
(gdb)