Core was generated by /usr/sbin/asterisk -pvvvv'.
Program terminated with signal 11, Segmentation fault.
#0  0xb7c5b5aa in strcmp () from /lib/libc.so.6
(gdb) bt full
#0  0xb7c5b5aa in strcmp () from /lib/libc.so.6
No locals.
#1  0x080c52ef in pbx_find_extension (chan=0x0, bypass=0x0, q=0xbeffd274,
    context=0x20202020 <Address 0x20202020 out of bounds>,
    exten=0x6c616843 <Address 0x6c616843 out of bounds>, priority=-1,
    label=0x0, callerid=0x81280c9 "", action=E_MATCH) at pbx.c:967
        match = <value optimized out>
        x = -1090530700
        res = <value optimized out>
        tmp = (struct ast_context *) 0x825bc08
        e = <value optimized out>
        eroot = <value optimized out>
        i = <value optimized out>
        sw = <value optimized out>
        __PRETTY_FUNCTION__ = "pbx_find_extension"
#2  0x080c541b in ast_get_hint (hint=0xbefff912 "SIà 2\f", hintsize=80,
    name=0x0, namesize=0, c=0x0,
    context=0x20202020 <Address 0x20202020 out of bounds>,
    exten=0x6c616843 <Address 0x6c616843 out of bounds>) at pbx.c:1791
        e = <value optimized out>
#3  0xb7434950 in transmit_state_notify (p=0x82ad6c0, state=8, full=1,
    timeout=0, cid_num=0xc32f034 "25", cid_name=0xc32f084 "Apparat 25")
    at chan_sip.c:7452
---Type <return> to continue, or q <return> to quit---
        tmp = '\0' <repeats 3999 times>
        from = '\0' <repeats 255 times>
        to = '\0' <repeats 255 times>
        t = 0xbeffe772 ""
        c = <value optimized out>
        mfrom = <value optimized out>
        mto = <value optimized out>
        maxbytes = 4000
        req = {rlPart1 = 0x0, rlPart2 = 0x0, len = 910, headers = 25,
  method = 4, lines = 1, flags = 0, header = {
    0xbeffd768 "NOTIFY sip:18@192.168.100.1 SIP/2.0\r\nVia: SIP/2.0/UDP
192.168.100.1:5060;branch=z9hG4bK5ee81b38;rport\r\nMax-Forwards: 70\r\nFrom:
<sip:21@192.168.100.1;user=phone>;tag=as136001f5\r\nTo:
<sip:18@192.168.100"...,
    0xbeffd78d "Via: SIP/2.0/UDP
192.168.100.1:5060;branch=z9hG4bK5ee81b38;rport\r\nMax-Forwards: 70\r\nFrom:
<sip:21@192.168.100.1;user=phone>;tag=as136001f5\r\nTo:
<sip:18@192.168.100.1>;tag=vkarblimmq\r\nContact: <sip:21@"..., 0x0,
    0xbeffd7cf "Max-Forwards: 70\r\nFrom:
<sip:21@192.168.100.1;user=phone>;tag=as136001f5\r\nTo:
<sip:18@192.168.100.1>;tag=vkarblimmq\r\nContact:
<sip:21@192.168.100.1>\r\nCall-ID:
3c26700a3827-gml7cht2aacv@snom360-0004132"..., 0x0,
    0xbeffd7e1 "From:
<sip:21@192.168.100.1;user=phone>;tag=as136001f5\r\nTo:
<sip:18@192.168.100.1>;tag=vkarblimmq\r\nContact:
<sip:21@192.168.100.1>\r\nCall-ID:
3c26700a3827-gml7cht2aacv@snom360-000413232EFA\r\nCSeq: 2007 "..., 0x0,
    0xbeffd819 "To: <sip:18@192.168.100.1>;tag=vkarblimmq\r\nContact:
<sip:21@19---Type <return> to continue, or q <return> to quit---
2.168.100.1>\r\nCall-ID:
3c26700a3827-gml7cht2aacv@snom360-000413232EFA\r\nCSeq: 2007
NOTIFY\r\nUser-Agent: Asterisk PBX SVN-trunk-r61667M\r\nEven"..., 0x0,
    0xbeffd844 "Contact: <sip:21@192.168.100.1>\r\nCall-ID:
3c26700a3827-gml7cht2aacv@snom360-000413232EFA\r\nCSeq: 2007
NOTIFY\r\nUser-Agent: Asterisk PBX SVN-trunk-r61667M\r\nEvent:
dialog\r\nContent-Type: application/dialog"..., 0x0,
    0xbeffd865 "Call-ID:
3c26700a3827-gml7cht2aacv@snom360-000413232EFA\r\nCSeq: 2007
NOTIFY\r\nUser-Agent: Asterisk PBX SVN-trunk-r61667M\r\nEvent:
dialog\r\nContent-Type: application/dialog-info+xml\r\nSubscription-State:
ac"..., 0x0,
    0xbeffd89e "CSeq: 2007 NOTIFY\r\nUser-Agent: Asterisk PBX
SVN-trunk-r61667M\r\nEvent: dialog\r\nContent-Type:
application/dialog-info+xml\r\nSubscription-State: active\r\nContent-Length:
428\r\n\r\n<?xml version=\"1.0\"?>\n<dialo"...,
    0x0,
    0xbeffd8b1 "User-Agent: Asterisk PBX SVN-trunk-r61667M\r\nEvent:
dialog\r\nContent-Type: application/dialog-info+xml\r\nSubscription-State:
active\r\nContent-Length: 428\r\n\r\n<?xml version=\"1.0\"?>\n<dialog-info
xmlns=\"urn:i"...,
    0x0,
    0xbeffd8dd "Event: dialog\r\nContent-Type:
application/dialog-info+xml\r\nSubscription-State: active\r\nContent-Length:
428\r\n\r\n<?xml version=\"1.0\"?>\n<dialog-info
xmlns=\"urn:ietf:params:xml:ns:dialog-info\" version=\"1905"...,
    0x0,
    0xbeffd8ec "Content-Type:
application/dialog-info+xml\r\nSubscription-State: active\r\nContent-Length:
428\r\n\r\n<?xml version=\"1.0\"?>\n<dialog-info
xmlns=\"urn:ietf:params:xml:ns:dialog-info\" version=\"1905\" state=\"full\"
"...,
---Type <return> to continue, or q <return> to quit---
    0x0,
    0xbeffd917 "Subscription-State: active\r\nContent-Length:
428\r\n\r\n<?xml version=\"1.0\"?>\n<dialog-info
xmlns=\"urn:ietf:params:xml:ns:dialog-info\" version=\"1905\" state=\"full\"
entity=\"sip:21@192.168.100.1\">\n<dialog id=\""..., 0x0,
    0xbeffd933 "Content-Length: 428\r\n\r\n<?xml
version=\"1.0\"?>\n<dialog-info xmlns=\"urn:ietf:params:xml:ns:dialog-info\"
version=\"1905\" state=\"full\" entity=\"sip:21@192.168.100.1\">\n<dialog
id=\"21\" direction=\"recipient\">\n<"..., 0x0 <repeats 40 times>}, line = {
    0xbeffd94a "<?xml version=\"1.0\"?>\n<dialog-info
xmlns=\"urn:ietf:params:xml:ns:dialog-info\" version=\"1905\" state=\"full\"
entity=\"sip:21@192.168.100.1\">\n<dialog id=\"21\"
direction=\"recipient\">\n<local><identity display"...,
    0x0 <repeats 63 times>},
  data = "NOTIFY sip:18@192.168.100.1 SIP/2.0\r\nVia: SIP/2.0/UDP
192.168.100.1:5060;branch=z9hG4bK5ee81b38;rport\r\nMax-Forwards: 70\r\nFrom:
<sip:21@192.168.100.1;user=phone>;tag=as136001f5\r\nTo:
<sip:18@192.168.100"..., sdp_start = 0,
  sdp_end = 0}
        hint =
"SIà 2\f\000â\v\bTùÿ¾&\000\000\000\000\000\000\0001Âä·\000\000\000&\000\000\000\000\001",
'\0' <repeats 11 times>,
"\001\000\000\000t\000&¾®¯ä·àûÿ¾¨Ù\025\bSIP/21\000·\000%Ñ·\000"
        statestring = 0xb74767f2 "early"
        subscriptiontype = (const struct cfsubscription_types *) 0xb747cee0
        local_state = NOTIFY_INUSE
---Type <return> to continue, or q <return> to quit---
        pidfstate = 0xb747874b "busy"
        pidfnote = 0xb74782f7 "Ringing"
        __PRETTY_FUNCTION__ = "transmit_state_notify"
#4  0xb7435be9 in cb_extensionstate (context=0x8252024 "LED",
    exten=0x82536cc "21", state=8, data=0x82ad6c0, cid_num=0xc32f034 "25",
    cid_name=0xc32f084 "Apparat 25") at chan_sip.c:8764
        p = (struct sip_pvt *) 0x825bc56
#5  0x080c097d in ast_hint_state_changed (device=0xc32f0d4 "SIP/21",
    cid_num=0xc32f034 "25", cid_name=0xc32f084 "Apparat 25") at pbx.c:1941
        buf =
"SIP/21\000\000set\000ome\000«òK·®¯ä·ÎªK·h\226\025\bµ¨K·®Åä·h\226\025\b\001\000\000\000\000\000\000\000D\vå·\000\000\000\000àûÿ¾Túÿ¾£Îä·àûÿ¾h\226\025\b"
        parse = 0x0
        state = 8
        cblist = (struct ast_state_cb *) 0x819ecd0
        cur = <value optimized out>
        hint = (struct ast_hint *) 0x82536e0
#6  0x08093a49 in do_state_change (device=0xc32f0d4 "SIP/21",
    cid_num=0xc32f034 "25", cid_name=0xc32f084 "Apparat 25")
    at devicestate.c:442
        state = 6
        devcb = (struct devstate_cb *) 0x0
        __PRETTY_FUNCTION__ = "do_state_change"
---Type <return> to continue, or q <return> to quit---
#7  0x08093af3 in do_devstate_changes (data=0x0) at devicestate.c:532
        next = (struct state_change *) 0x0
#8  0x080f5e30 in dummy_start (data=0x8182888) at utils.c:545
        _buffer = {__routine = 0x806be60 <ast_unregister_thread>,
  __arg = 0x14005, __canceltype = -1211115104, __prev = 0x0}
        ret = <value optimized out>
#9  0xb7e46573 in pthread_start_thread (arg=0xbefffbe0) at manager.c:300
        default_params = {__sched_priority = 0}
        request = {req_thread = 0x0, req_kind = REQ_CREATE, req_args = {
    create = {attr = 0x0, fn = 0, arg = 0x0, mask = {__val = {
          0 <repeats 32 times>}}}, free = {thread_id = 0}, exit = {code =
0},
    post = 0x0, for_each = {fn = 0, arg = 0x0}}}
        outcome = (void *) 0x825bc56
        tmpclock = 2314885530416168022
#10 0xb7cc09b4 in __clone () from /lib/libc.so.6
No locals.
(gdb)