0x081358bf in ast_sockaddr_cmp (a=0xb1837c64, b=0xa0) at netsock2.c:280
280		if (a_tmp->len != b_tmp->len) {
(gdb) backtrace 
#0  0x081358bf in ast_sockaddr_cmp (a=0xb1837c64, b=0xa0) at netsock2.c:280
#1  0x08154e87 in ast_rtp_instance_get_remote_address (instance=0x0, address=0xb1837c64) at rtp_engine.c:427
#2  0x081578b9 in ast_rtp_instance_bridge (c0=0xbc46ab0, c1=0xbc7b000, flags=0, fo=0xb18381a8, rc=0xb18381a4, timeoutms=-1) at rtp_engine.c:1276
#3  0x080c149e in ast_channel_bridge (c0=0xbc46ab0, c1=0xbc7b000, config=0xb1838cd4, fo=0xb18381a8, rc=0xb18381a4) at channel.c:6927
#4  0x080f18e7 in ast_bridge_call (chan=0xbc46ab0, peer=0xbc7b000, config=0xb1838cd4) at features.c:3255
#5  0xb3496489 in dial_exec_full (chan=0xbc46ab0, data=0xb183aec4 "USTM/101@DRm&SIP/a_sip&IAX2/a&Local/123456789,30,cr", peerflags=0xb1838e00, continue_exec=0x0)
    at app_dial.c:2632
#6  0xb34980fd in dial_exec (chan=0xbc46ab0, data=0xb183aec4 "USTM/101@DRm&SIP/a_sip&IAX2/a&Local/123456789,30,cr") at app_dial.c:2732
#7  0x0814024d in pbx_exec (c=0xbc46ab0, app=0xbb41e48, data=0xb183aec4 "USTM/101@DRm&SIP/a_sip&IAX2/a&Local/123456789,30,cr") at pbx.c:1399
#8  0x0814aa54 in pbx_extension_helper (c=0xbc46ab0, con=0x0, context=0xbc46e1c "default", exten=0xbc46e6c "1001", priority=1, label=0x0, callerid=0xbab21f8 "1007", 
    action=E_SPAWN, found=0xb183d2e8, combined_find_spawn=1) at pbx.c:4078
#9  0x0814cacd in __ast_pbx_run (c=0xbc46ab0, args=0x0) at pbx.c:4577
#10 0x0814e9f9 in ast_pbx_run (c=0xbc46ab0) at pbx.c:5024
#11 0xb3517039 in unistim_ss (data=0xbc46ab0) at chan_unistim.c:2027
#12 0x0819064b in dummy_start (data=0xb9b14c0) at utils.c:971
#13 0xb737f4c0 in start_thread () from /lib/i686/cmov/libpthread.so.0
#14 0xb75af84e in clone () from /lib/i686/cmov/libc.so.6