Core was generated by `/usr/sbin/asterisk -f -U asterisk -G asterisk -vvvg -c'.
Program terminated with signal 11, Segmentation fault.
#0  0x080d6067 in ast_rtp_read (rtp=0x9d74c40) at rtp.c:1131
1131            res = recvfrom(rtp->s, rtp->rawdata + AST_FRIENDLY_OFFSET, sizeof(rtp->rawdata) - AST_FRIENDLY_OFFSET,
(gdb) bt
#0  0x080d6067 in ast_rtp_read (rtp=0x9d74c40) at rtp.c:1131
#1  0x003294a3 in sip_read (ast=0x9d78bb8) at chan_sip.c:4367
#2  0x080858a3 in __ast_read (chan=0x9d78bb8, dropaudio=0) at channel.c:2071
#3  0x0808650c in ast_waitfordigit_full (c=0x9d78bb8, ms=96, audiofd=-1, cmdfd=-1) at channel.c:2348
#4  0x08086868 in ast_waitfordigit (c=0x9d78bb8, ms=100) at channel.c:1791
#5  0x00509476 in common_exec (chan=0x9d78bb8, flags=0xb760ae88, volfactor=0, fd=0, mygroup=0xb7609e44 "3632", spec=0x0, 
    exten=0x0, context=0x0) at app_chanspy.c:527
#6  0x0050a405 in chanspy_exec (chan=0x9d78bb8, data=0xb760cf08) at app_chanspy.c:740
#7  0x080caa8b in pbx_extension_helper (c=0x9d78bb8, con=0x0, context=0x9d78d38 "dialout", exten=0x9d78d88 "83632", priority=1, 
    label=0x0, callerid=0x9d39760 "3399", action=E_SPAWN) at pbx.c:537
#8  0x080cd0d2 in __ast_pbx_run (c=0x9d78bb8) at pbx.c:2317
#9  0x080ce08e in pbx_thread (data=0x9d78bb8) at pbx.c:2636
#10 0x080fc03b in dummy_start (data=0x9dde6f0) at utils.c:895
#11 0x00f0546b in start_thread () from /lib/libpthread.so.0
#12 0x001e0dbe in clone () from /lib/libc.so.6