(gdb) bt
#0  0xb694343b in find_user (name=0xb68f8b0a "4506993367", realtime=1) at chan_sip.c:3854
#1  0xb696a685 in check_user_ok (p=0x833d540, of=0xb68f8b0a "4506993367", req=0xb68f9074, 
    sipmethod=5, sin=0xb68f92c0, reliable=XMIT_RELIABLE, rpid_num=0xb68f8c26 "4506993367", 
    calleridname=0xb68f8bf4 "HENRY STEPHANE", 
    uri2=0xb68f89b0 "sip:5143161617@66.11.160.196") at chan_sip.c:11247
#2  0xb696ec53 in check_user_full (p=0x833d540, req=0xb68f9074, sipmethod=5, 
    uri=0x833d143 "sip:5143161617@66.11.160.196", reliable=XMIT_RELIABLE, sin=0xb68f92c0, 
    authpeer=0x0) at chan_sip.c:11590
#3  0xb696eda5 in check_user (p=0x833d540, req=0xb68f9074, sipmethod=5, 
    uri=0x833d143 "sip:5143161617@66.11.160.196", reliable=XMIT_RELIABLE, sin=0xb68f92c0)
    at chan_sip.c:11618
#4  0xb69869da in handle_request_invite (p=0x833d540, req=0xb68f9074, debug=0, seqno=102, 
    sin=0xb68f92c0, recount=0xb68f901c, e=0x833d143 "sip:5143161617@66.11.160.196", 
    nounlock=0xb68f9018) at chan_sip.c:16398
#5  0xb698e91d in handle_incoming (p=0x833d540, req=0xb68f9074, sin=0xb68f92c0, 
    recount=0xb68f901c, nounlock=0xb68f9018) at chan_sip.c:18029
#6  0xb698f524 in handle_request_do (req=0xb68f9074, sin=0xb68f92c0) at chan_sip.c:18207
#7  0xb698ef78 in sipsock_read (id=0x833ed98, fd=22, events=1, ignore=0x0)
    at chan_sip.c:18130
#8  0x080cf531 in ast_io_wait (ioc=0x833abf8, howlong=1000) at io.c:287
#9  0xb69905cc in do_monitor (data=0x0) at chan_sip.c:18530
#10 0x0813e6f6 in dummy_start (data=0x833ec90) at utils.c:870
#11 0xb7c0b46b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#12 0xb7cf56de in clone () from /lib/tls/i686/cmov/libc.so.6


================================================================
(gdb) bt full
#0  0xb694343b in find_user (name=0xb68f8b0a "4506993367", realtime=1) at chan_sip.c:3854
	iterator = (struct sip_user *) 0xfffbfffd
	next = (struct sip_user *) 0xfffbfffd
	found = (struct sip_user *) 0x0
	u = (struct sip_user *) 0xb68f88ac
#1  0xb696a685 in check_user_ok (p=0x833d540, of=0xb68f8b0a "4506993367", req=0xb68f9074, 
    sipmethod=5, sin=0xb68f92c0, reliable=XMIT_RELIABLE, rpid_num=0xb68f8c26 "4506993367", 
    calleridname=0xb68f8bf4 "HENRY STEPHANE", 
    uri2=0xb68f89b0 "sip:5143161617@66.11.160.196") at chan_sip.c:11247
	res = 137603152
	user = (struct sip_user *) 0xb6938fc1
	debug = 910985852
#2  0xb696ec53 in check_user_full (p=0x833d540, req=0xb68f9074, sipmethod=5, 
    uri=0x833d143 "sip:5143161617@66.11.160.196", reliable=XMIT_RELIABLE, sin=0xb68f92c0, 
    authpeer=0x0) at chan_sip.c:11590
	from = "\"HENRY STEPHANE\" <sip:4506993367\00064.34.164.254\000;tag=as43e55551\000¶<\036\232¶qÀÈ·\234^6\b\000\000\000\000ì\213\217¶ÿ\001\000\000\001\200­û\234^6\b\234^6\b¸c6\bÕ¯Ô·×^6\bp\221Ö·\234^6\b\201\003\000\000F\000\000\000\000\000\000\000\001\000\000\000/J\232¶ \000\000\000 {Ö·\000\000\000\000Í\005\000\000\000\000\000·\000\000\000\000°\003\000\000@\206\217¶@\206\217¶\\\214\217¶\000\000\000\000È\213\217¶p\221Ö·ÿÿÿÿx\214\217¶"...
	dummy = 0xb68f8b0a "4506993367"
	domain = 0xb68f8b15 "64.34.164.254"
	of = 0xb68f8b0a "4506993367"
---Type <return> to continue, or q <return> to quit---
	of2 = 0xb68f8980 "sip:4506993367@64.34.164.254"
	rpid_num = "4506993367\00064.34.164.254>;privacy=off;screen=no\000\000"
	rpid = 0x833d2ce "\"HENRY STEPHANE\" <sip:4506993367@64.34.164.254>;privacy=off;screen=no"
	res = 28
	calleridname = "HENRY STEPHANE", '\0' <repeats 35 times>
	uri2 = 0xb68f89b0 "sip:5143161617@66.11.160.196"
	__PRETTY_FUNCTION__ = "check_user_full"
#3  0xb696eda5 in check_user (p=0x833d540, req=0xb68f9074, sipmethod=5, 
    uri=0x833d143 "sip:5143161617@66.11.160.196", reliable=XMIT_RELIABLE, sin=0xb68f92c0)
    at chan_sip.c:11618
No locals.
#4  0xb69869da in handle_request_invite (p=0x833d540, req=0xb68f9074, debug=0, seqno=102, 
    sin=0xb68f92c0, recount=0xb68f901c, e=0x833d143 "sip:5143161617@66.11.160.196", 
    nounlock=0xb68f9018) at chan_sip.c:16398
	res = 1
	gotdest = 0
	p_replaces = 0xb69a1aa2 ""
	replace_id = 0x0
	required = 0xb69a1aa2 ""
	required_profile = 0
	c = (struct ast_channel *) 0x0
	reinvite = 0
---Type <return> to continue, or q <return> to quit---
	rtn = 109
	p_uac_se_hdr = 0x0
	p_uac_min_se = 0xb69b357c "\200Ô\a"
	uac_max_se = -1
	uac_min_se = -1
	st_active = 0
	st_interval = 0
	st_ref = SESSION_TIMER_REFRESHER_AUTO
	dlg_min_se = -1
	__PRETTY_FUNCTION__ = "handle_request_invite"
à#5  0xb698e91d in handle_incoming (p=0x833d540, req=0xb68f9074, sin=0xb68f92c0, 
    recount=0xb68f901c, nounlock=0xb68f9018) at chan_sip.c:18029
	cmd = 0x833d13c "INVITE"
	cseq = 0x833d27d "102 INVITE"
	useragent = 0x833d295 "Voice Network Inc 1b"
	seqno = 102
	len = 3
	respid = 0
	res = 0
	debug = 0
	e = 0x833d143 "sip:5143161617@66.11.160.196"
	error = 0
	__PRETTY_FUNCTION__ = "handle_incoming"
---Type <return> to continue, or q <return> to quit---
#6  0xb698f524 in handle_request_do (req=0xb68f9074, sin=0xb68f92c0) at chan_sip.c:18207
	p = (struct sip_pvt *) 0x833d540
	recount = 0
	nounlock = 0
	lockretry = 100
	__PRETTY_FUNCTION__ = "handle_request_do"
#7  0xb698ef78 in sipsock_read (id=0x833ed98, fd=22, events=1, ignore=0x0)
    at chan_sip.c:18130
	req = {rlPart1 = 0x833d13c "INVITE", 
  rlPart2 = 0x833d143 "sip:5143161617@66.11.160.196", len = 874, headers = 14, method = 5, 
  lines = 12, sdp_start = 0, sdp_end = 0, debug = 0 '\0', has_to_tag = 0 '\0', 
  ignore = 0 '\0', header = {0x833d13c "INVITE", 
    0x833d169 "Via: SIP/2.0/UDP 64.34.164.254:5060;branch=z9hG4bK0aed562e;rport", 
    0x833d1ab "From: \"HENRY STEPHANE\" <sip:4506993367@64.34.164.254>;tag=as43e55551", 
    0x833d1f1 "To: <sip:5143161617@66.11.160.196>", 
    0x833d215 "Contact: <sip:4506993367@64.34.164.254>", 
    0x833d23e "Call-ID: 1487a109600c99f11c17244054981083@64.34.164.254", 
    0x833d277 "CSeq: 102 INVITE", 0x833d289 "User-Agent: Voice Network Inc 1b", 
    0x833d2ab "Max-Forwards: 70", 
    0x833d2bd "Remote-Party-ID: \"HENRY STEPHANE\" <sip:4506993367@64.34.164.254>;privacy=off;screen=no", 0x833d315 "Date: Wed, 02 Apr 2008 13:22:01 GMT", 
    0x833d33a "Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY", 
    0x833d37e "Content-Type: application/sdp", 0x833d39d "Content-Length: 242", 
---Type <return> to continue, or q <return> to quit---
    0x833d3b2 "", 0x0 <repeats 49 times>}, line = {0x833d3b4 "v=0", 
    0x833d3b9 "o=root 17640 17640 IN IP4 64.34.164.254", 0x833d3e2 "s=session", 
    0x833d3ed "c=IN IP4 64.34.164.254", 0x833d405 "t=0 0", 
    0x833d40c "m=audio 13924 RTP/AVP 0 101", 0x833d429 "a=rtpmap:0 PCMU/8000", 
    0x833d43f "a=rtpmap:101 telephone-event/8000", 0x833d462 "a=fmtp:101 0-16", 
    0x833d473 "a=silenceSupp:off - - - -", 0x833d48e "a=ptime:20", 0x833d49a "a=sendrecv", 
    0x833d4a6 "", 0x0 <repeats 51 times>}, data = 0x833d130, socket = {lock = 0x0, 
    type = SIP_TRANSPORT_UDP, fd = 22, port = 50195, ser = 0x0}}
	sin = {sin_family = 2, sin_port = 50195, sin_addr = {s_addr = 4272169536}, 
  sin_zero = "\000\000\000\000\000\000\000"}
	res = 874
	len = 16
	readbuf = "INVITE sip:5143161617@66.11.160.196 SIP/2.0\r\nVia: SIP/2.0/UDP 64.34.164.254:5060;branch=z9hG4bK0aed562e;rport\r\nFrom: \"HENRY STEPHANE\" <sip:4506993367@64.34.164.254>;tag=as43e55551\r\nTo: <sip:5143161617"...
	__PRETTY_FUNCTION__ = "sipsock_read"
#8  0x080cf531 in ast_io_wait (ioc=0x833abf8, howlong=1000) at io.c:287
	res = 1
	x = 0
	origcnt = 1
#9  0xb69905cc in do_monitor (data=0x0) at chan_sip.c:18530
	res = 1000
	dialog = (struct sip_pvt *) 0x0
---Type <return> to continue, or q <return> to quit---
	t = 1207142521
	reloading = 0
	__PRETTY_FUNCTION__ = "do_monitor"
#10 0x0813e6f6 in dummy_start (data=0x833ec90) at utils.c:870
	__cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {-1212043276, 0, 
        -1232102512, -1232104488, 187097235, 869109230}, __mask_was_saved = 0}}, __pad = {
    0xb68f9490, 0x0, 0x0, 0x0}}
	__cancel_routine = (void (*)(void *)) 0x807080b <ast_unregister_thread>
	__cancel_arg = (void *) 0xb68f9b90
	not_first_call = 0
	ret = (void *) 0x0
	a = {start_routine = 0xb6990304 <do_monitor>, data = 0x0, 
  name = 0x833eca0 "do_monitor", ' ' <repeats 11 times>, "started at [18563] chan_sip.c restart_monitor()"}
#11 0xb7c0b46b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#12 0xb7cf56de in clone () from /lib/tls/i686/cmov/libc.so.6