gdb asterisk core

(gdb) bt
#0  0x0807ba4d in ast_rtp_set_peer (rtp=0x0, them=0xb2320a00) at rtp.c:774
#1  0x00d1e8ac in handle_message (req=0x9508780, s=0x95053a8) at chan_skinny.c:2192
#2  0x00d1ca5c in skinny_session (data=0x95053a8) at chan_skinny.c:2318
#3  0x00b7679c in start_thread () from /lib/tls/libpthread.so.0
#4  0x00ad627a in clone () from /lib/tls/libc.so.6


[root@ast tftpboot]# cat /etc/asterisk/skinny.conf
;
; Skinny Configuration for Asterisk
;
[general]
port = 2000             ; Port to bind to, default tcp/2000
bindaddr = xx.xx.33.19 ; Address to bind to
dateFormat = D-M-Y      ; M,D,Y in any order (5 chars max)
keepAlive = 120



; Typical config for a 7910
[cisco7910]             ; Device name
device=SEP000653EEA35D  ; Offical identifier
;host=xx.xx.33.22     ;
;permit=192.168.0/24    ; Optional, used for authentication
;nat=0
callerid="7910" <7910>
callerid=asreceived
mailbox=500
callwaiting=1
transfer=1
threewaycalling=1
context=default
line => 1555
-----------
extensions.conf

; Cisco 7910 Skinny hardphone
exten => 1555,1,Dial(SKINNY/1555@cisco7910)
exten => 1555,2,Voicemail(u5500)