[Serusers] need help with ser-0.9.4 and SUBSCRIBE requests
Vaclav Kubart
vaclav.kubart at iptel.org
Thu Dec 15 12:47:43 CET 2005
Hi,
I recommend the CVS version or - may be better - latest version from
"presence snapshot" (ftp://ftp.iptel.org/pub/ser/presence/).
Vaclav
On Thu, 15 Dec 2005, Ekaterina Ivannikova wrote:
> Hello,
>
> I just tried Windows Messenger 5.1 (tcpdump follows), but ser produces the
> same error as for 4.7. Could the list members please advise which version
> of ser should I use to make SUBSCRIBE requests of WM work ?
>
> Regards,
>
> Ekaterina
>
> ~~~~~~~~~~~~~~~~~~
> REGISTER sip:gutatelecom.ru SIP/2.0
> Via: SIP/2.0/UDP 10.123.0.190:12479
> Max-Forwards: 70
> From: <sip:kate at gutatelecom.ru>;tag=3f7630c4da1b459ea8785c10c6c29676;epid=6ffbeddc9d
> To: <sip:kate at gutatelecom.ru>
> Call-ID: 9d356b245a924154bb96a2a43144add1
> CSeq: 1 REGISTER
> Contact: <sip:10.123.0.190:12479>;methods="INVITE, MESSAGE, INFO, SUBSCRIBE, OPTIONS, BYE, CANCEL, NOTIFY, ACK, REFER, BENOTIFY"
> User-Agent: RTC/1.3.5470 (Messenger 5.1.0701)
> Event: registration
> Allow-Events: presence
> Content-Length: 0
> C6
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 10.123.0.190:12479
> From: <sip:kate at gutatelecom.ru>;tag=3f7630c4da1b459ea8785c10c6c29676;epid=6ffbeddc9d
> To: <sip:kate at gutatelecom.ru>;tag=9bf9a4f66ee3c16d13ef4422214649c2.f220
> Call-ID: 9d356b245a924154bb96a2a43144add1
> CSeq: 1 REGISTER
> Contact: <sip:10.123.0.190:7808>;expires=3288, <sip:10.123.0.190:12479>;expires=3600
> Server: Sip EXpress router (0.9.4 (i386/solaris))
> Content-Length: 0
> Warning: 392 10.123.0.250:5060 "Noisy feedback tells: pid=25299 req_src_ip=10.123.0.190 req_src_port=1041 in_uri=sip:gutatelecom.ru out_uri=sip:gutatelecom.ru via_cnt==1"
> C$#
> 2 ?SUBSCRIBE sip:ura at gutatelecom.ru SIP/2.0
> Via: SIP/2.0/UDP 10.123.0.190:12479
> Max-Forwards: 70
> From: "kate at gutatelecom.ru" <sip:kate at gutatelecom.ru>;tag=1fe50fffda3b490192c4a4e5badd2008;epid=6ffbeddc9d
> To: <sip:ura at gutatelecom.ru>
> Call-ID: 4ab889c390a14810aea197bb705e2e9d
> CSeq: 1 SUBSCRIBE
> Contact: <sip:10.123.0.190:12479>
> User-Agent: RTC/1.3
> Event: presence
> Accept: application/xpidf+xml, text/xml+msrtc.pidf, application/pidf+xml
> Supported: com.microsoft.autoextend
> Supported: ms-benotify
> Proxy-Require: ms-benotify
> Content-Length: 0
> C~#
> 2":SUBSCRIBE sip:admin at gutagroup.ru SIP/2.0
> Via: SIP/2.0/UDP 10.123.0.190:12479
> Max-Forwards: 70
> From: "kate at gutatelecom.ru" <sip:kate at gutatelecom.ru>;tag=40649ffd5fb04089a23bdb25fba6ed3f;epid=6ffbeddc9d
> To: <sip:admin at gutagroup.ru>
> Call-ID: 9f52e3dd37ad46e79b0517f06e878b67
> CSeq: 1 SUBSCRIBE
> Contact: <sip:10.123.0.190:12479>
> User-Agent: RTC/1.3
> Event: presence
> Accept: application/xpidf+xml, text/xml+msrtc.pidf, application/pidf+xml
> Supported: com.microsoft.autoextend
> Supported: ms-benotify
> Proxy-Require: ms-benotify
> Content-Length: 0
> vSIP/2.0 400 Bad Request
> Via: SIP/2.0/UDP 10.123.0.190:12479
> From: "kate at gutatelecom.ru" <sip:kate at gutatelecom.ru>;tag=1fe50fffda3b490192c4a4e5badd2008;epid=6ffbeddc9d
> To: <sip:ura at gutatelecom.ru>;tag=4847b256b8606eb0a98fbd0f755585cd-f220
> Call-ID: 4ab889c390a14810aea197bb705e2e9d
> CSeq: 1 SUBSCRIBE
> Error while parsing headersServer: Sip EXpress router (0.9.4 (i386/solaris))
> Content-Length: 0
> Warning: 392 10.123.0.250:5060 "Noisy feedback tells: pid=25299 req_src_ip=10.123.0.190 req_src_port=1041 in_uri=sip:ura at gutatelecom.ru out_uri=sip:ura at gutatelecom.ru via_cnt==1"
> C~+
> oSIP/2.0 400 Bad Request
> Via: SIP/2.0/UDP 10.123.0.190:12479
> From: "kate at gutatelecom.ru" <sip:kate at gutatelecom.ru>;tag=40649ffd5fb04089a23bdb25fba6ed3f;epid=6ffbeddc9d
> To: <sip:admin at gutagroup.ru>;tag=4847b256b8606eb0a98fbd0f755585cd-f220
> Call-ID: 9f52e3dd37ad46e79b0517f06e878b67
> CSeq: 1 SUBSCRIBE
> Error while parsing headersServer: Sip EXpress router (0.9.4 (i386/solaris))
> Content-Length: 0
> Warning: 392 10.123.0.250:5060 "Noisy feedback tells: pid=25299 req_src_ip=10.123.0.190 req_src_port=1041 in_uri=sip:admin at gutagroup.ru out_uri=sip:admin at gutagroup.ru via_cnt==1"
>
> On Thu, Dec 15, 2005 at 09:33:18AM +0100, Vaclav Kubart wrote:
>> Hello,
>> I'm quite sure, that SER was able to work with Windows Messenger 4.7 (it
>> is able to work with version 5.1), but I'm not sure about the version
>> 0.9.4. May be that it wasn't in that version.
>>
>> Vaclav
>>
>> On Thu, 15 Dec 2005, Ekaterina Ivannikova wrote:
>>
>>> Hello list,
>>>
>>> I installed a binary package of ser-0.9.4 on Solaris 10 (Intel) from
>>> ftp.berlios.de and am trying to use Windows Messenger 4.7 as a client.
>>> However SUBSCRIBE requests fail with an obscure message "Error while
>>> parsing
>>> headers". Googling found several similar complaints, but I still can't
>>> figure
>>> out how to resolve the issue. Any help is very much appreciated. My config,
>>> syslog messages and tcpdump follow.
>>>
>>> Regards,
>>>
>>> Ekaterina
>>>
>>> # ----------- global configuration parameters ------------------------
>>>
>>> #debug=3 # debug level (cmd line: -dddddddddd)
>>> #fork=yes
>>> #log_stderror=no # (cmd line: -E)
>>>
>>> /* Uncomment these lines to enter debugging mode
>>> fork=no
>>> log_stderror=yes
>>> */
>>>
>>> check_via=no # (cmd. line: -v)
>>> dns=no # (cmd. line: -r)
>>> rev_dns=no # (cmd. line: -R)
>>> #port=5060
>>> #children=4
>>>
>>> listen=10.123.0.250
>>> user=ser
>>> group=ser
>>>
>>> fifo="/tmp/ser_fifo"
>>>
>>> # ------------------ module loading ----------------------------------
>>>
>>> # Uncomment this if you want to use SQL database
>>> loadmodule "/usr/local/lib/ser/modules/mysql.so"
>>> loadmodule "/usr/local/lib/ser/modules/sl.so"
>>> loadmodule "/usr/local/lib/ser/modules/tm.so"
>>> loadmodule "/usr/local/lib/ser/modules/rr.so"
>>> loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
>>> loadmodule "/usr/local/lib/ser/modules/usrloc.so"
>>> loadmodule "/usr/local/lib/ser/modules/registrar.so"
>>> loadmodule "/usr/local/lib/ser/modules/textops.so"
>>> loadmodule "/usr/local/lib/ser/modules/pa.so"
>>>
>>>
>>> # Uncomment this if you want digest authentication
>>> # mysql.so must be loaded !
>>> #loadmodule "/usr/local/lib/ser/modules/auth.so"
>>> #loadmodule "/usr/local/lib/ser/modules/auth_db.so"
>>>
>>> # ----------------- setting module-specific parameters ---------------
>>>
>>> # -- usrloc params --
>>>
>>> #modparam("usrloc", "db_mode", 0)
>>>
>>> # Uncomment this if you want to use SQL database
>>> # for persistent storage and comment the previous line
>>> modparam("usrloc", "db_mode", 2)
>>>
>>> # -- auth params --
>>> # Uncomment if you are using auth module
>>> #
>>> #modparam("auth_db", "calculate_ha1", yes)
>>> #
>>> # If you set "calculate_ha1" parameter to yes (which true in this config),
>>> # uncomment also the following parameter)
>>> #
>>> #modparam("auth_db", "password_column", "password")
>>>
>>> # -- rr params --
>>> # add value to ;lr param to make some broken UAs happy
>>> modparam("rr", "enable_full_lr", 1)
>>>
>>> modparam("usrloc|registrar", "use_domain", 1)
>>> modparam("pa", "use_db", 1)
>>> modparam("pa", "db_url", "mysql://ser:heslo@localhost/ser")
>>> modparam("pa", "pa_domain", "gutatelecom.ru")
>>>
>>>
>>> # ------------------------- request routing logic -------------------
>>>
>>> # main routing logic
>>>
>>> alias="z1.all.yans.ru"
>>> alias="gutatelecom.ru"
>>> alias="gutagroup.ru"
>>> alias="10.123.0.250"
>>>
>>> route{
>>>
>>> # initial sanity checks -- messages with
>>> # max_forwards==0, or excessively long requests
>>> if (!mf_process_maxfwd_header("10")) {
>>> sl_send_reply("483","Too Many Hops");
>>> break;
>>> };
>>> if (msg:len >= 2048 ) {
>>> sl_send_reply("513", "Message too big");
>>> break;
>>> };
>>>
>>>
>>> # we record-route all messages -- to make sure that
>>> # subsequent messages will go through our proxy; that's
>>> # particularly good if upstream and downstream entities
>>> # use different transport protocol
>>> if (!method=="REGISTER") record_route();
>>>
>>> # subsequent messages withing a dialog should take the
>>> # path determined by record-routing
>>> if (loose_route()) {
>>> # mark routing logic in request
>>> append_hf("P-hint: rr-enforced\r\n");
>>> route(1);
>>> break;
>>> };
>>>
>>> if (!uri==myself) {
>>> # mark routing logic in request
>>> append_hf("P-hint: outbound\r\n");
>>> route(1);
>>> break;
>>> };
>>>
>>> # if the request is for other domain use UsrLoc
>>> # (in case, it does not work, use the following command
>>> # with proper names and addresses in it)
>>> if (uri==myself) {
>>>
>>> if (method=="REGISTER") {
>>>
>>> # Uncomment this if you want to use digest authentication
>>> # if (!www_authorize("iptel.org", "subscriber")) {
>>> # www_challenge("iptel.org", "0");
>>> # break;
>>> # };
>>>
>>> save("location");
>>> break;
>>> };
>>>
>>> if (method=="SUBSCRIBE") {
>>> if (!t_newtran()) {
>>> log(1, "newtran error\n");
>>> sl_reply_error();
>>> };
>>> handle_subscription("registrar");
>>> break;
>>> };
>>>
>>> if (method=="PUBLISH") {
>>> if (!t_newtran()) {
>>> log(1, "newtran error\n");
>>> sl_reply_error();
>>> };
>>> handle_publish("registrar");
>>> break;
>>> };
>>>
>>>
>>> lookup("aliases");
>>> if (!uri==myself) {
>>> append_hf("P-hint: outbound alias\r\n");
>>> route(1);
>>> break;
>>> };
>>>
>>> # native SIP destinations are handled using our USRLOC DB
>>> if (!lookup("location")) {
>>> sl_send_reply("404", "Not Found");
>>> break;
>>> };
>>> };
>>> append_hf("P-hint: usrloc applied\r\n");
>>> route(1);
>>> }
>>>
>>> route[1]
>>> {
>>> # send it out now; use stateful forwarding as it works reliably
>>> # even for UDP2TCP
>>> if (!t_relay()) {
>>> sl_reply_error();
>>> };
>>> }
>>>
>>>
>>> Dec 13 17:16:14 z1 /usr/local/sbin/ser[24585]: [ID 326729 daemon.crit]
>>> setting signal 2 to 8063eb0
>>> Dec 13 17:16:14 z1 /usr/local/sbin/ser[24585]: [ID 326729 daemon.crit]
>>> setting signal 13 to 8063eb0
>>> Dec 13 17:16:14 z1 /usr/local/sbin/ser[24585]: [ID 326729 daemon.crit]
>>> setting signal 16 to 8063eb0
>>> Dec 13 17:16:14 z1 /usr/local/sbin/ser[24585]: [ID 326729 daemon.crit]
>>> setting signal 18 to 8063eb0
>>> Dec 13 17:16:14 z1 /usr/local/sbin/ser[24585]: [ID 326729 daemon.crit]
>>> setting signal 15 to 8063eb0
>>> Dec 13 17:16:14 z1 /usr/local/sbin/ser[24585]: [ID 326729 daemon.crit]
>>> setting signal 1 to 8063eb0
>>> Dec 13 17:16:14 z1 /usr/local/sbin/ser[24585]: [ID 326729 daemon.crit]
>>> setting signal 17 to 8063eb0
>>> Dec 13 17:16:15 z1 /usr/local/sbin/ser[24585]: [ID 212014 daemon.warning]
>>> Warning: uac does not spread across the whole hash table
>>> Dec 13 17:16:15 z1 /usr/local/sbin/ser[24585]: [ID 499528 daemon.notice]
>>> Maxfwd module- initializing
>>> Dec 13 17:16:15 z1 /usr/local/sbin/ser[24585]: [ID 520766 daemon.crit]
>>> db_url=8228c90
>>> Dec 13 17:16:15 z1 /usr/local/sbin/ser[24585]: [ID 520769 daemon.crit]
>>> db_url=mysql://ser:heslo@localhost/ser
>>> Dec 13 17:16:15 z1 /usr/local/sbin/ser[24585]: [ID 472096 daemon.crit]
>>> db_url.len=31
>>> Dec 13 17:16:15 z1 /usr/local/sbin/ser[24585]: [ID 351855 daemon.crit]
>>> pa_domain=gutatelecom.ru
>>> Dec 13 17:16:15 z1 /usr/local/sbin/ser[24585]: [ID 624776 daemon.crit]
>>> pa_mod: use_db=1 db_url.s=mysql://ser:heslo@localhost/ser
>>> pa_domain=gutatelecom.ru
>>> Dec 13 17:16:15 z1 /usr/local/sbin/ser[24585]: [ID 101486 daemon.crit]
>>> pa_mod_init done
>>> Dec 13 17:16:15 z1 /usr/local/sbin/ser[24585]: [ID 187949 daemon.error]
>>> subscribe_fixup: pdomain name is registrar
>>> Dec 13 17:16:15 z1 last message repeated 1 time
>>> Dec 13 17:16:15 z1 /usr/local/sbin/ser[24587]: [ID 827449 daemon.warning]
>>> WARNING: no fifo_db_url given - fifo DB commands disabled!
>>> Dec 13 17:17:25 z1 /usr/local/sbin/ser[24588]: [ID 219598 daemon.error]
>>> handle_subscription() entered
>>> Dec 13 17:17:25 z1 /usr/local/sbin/ser[24588]: [ID 717776 daemon.error]
>>> parse_hfs(): Error while parsing headers
>>> Dec 13 17:17:25 z1 /usr/local/sbin/ser[24588]: [ID 828236 daemon.error]
>>> handle_subscription(): Error while parsing message header
>>> Dec 13 17:17:25 z1 /usr/local/sbin/ser[24588]: [ID 405054 daemon.error]
>>> handle_subscription about to send_reply and return -2
>>> Dec 13 17:17:25 z1 /usr/local/sbin/ser[24590]: [ID 219598 daemon.error]
>>> handle_subscription() entered
>>> Dec 13 17:17:25 z1 /usr/local/sbin/ser[24590]: [ID 717776 daemon.error]
>>> parse_hfs(): Error while parsing headers
>>> Dec 13 17:17:25 z1 /usr/local/sbin/ser[24590]: [ID 828236 daemon.error]
>>> handle_subscription(): Error while parsing message header
>>> Dec 13 17:17:25 z1 /usr/local/sbin/ser[24590]: [ID 405054 daemon.error]
>>> handle_subscription about to send_reply and return -2
>>> Dec 13 17:17:32 z1 /usr/local/sbin/ser[24593]: [ID 219598 daemon.error]
>>> handle_subscription() entered
>>> Dec 13 17:17:32 z1 /usr/local/sbin/ser[24593]: [ID 717776 daemon.error]
>>> parse_hfs(): Error while parsing headers
>>> Dec 13 17:17:32 z1 /usr/local/sbin/ser[24593]: [ID 828236 daemon.error]
>>> handle_subscription(): Error while parsing message header
>>> Dec 13 17:17:32 z1 /usr/local/sbin/ser[24593]: [ID 405054 daemon.error]
>>> handle_subscription about to send_reply and return -2
>>> Dec 13 17:17:32 z1 /usr/local/sbin/ser[24593]: [ID 219598 daemon.error]
>>> handle_subscription() entered
>>> Dec 13 17:17:32 z1 /usr/local/sbin/ser[24593]: [ID 717776 daemon.error]
>>> parse_hfs(): Error while parsing headers
>>> Dec 13 17:17:32 z1 /usr/local/sbin/ser[24593]: [ID 828236 daemon.error]
>>> handle_subscription(): Error while parsing message header
>>> Dec 13 17:17:32 z1 /usr/local/sbin/ser[24593]: [ID 405054 daemon.error]
>>> handle_subscription about to send_reply and return -2
>>>
>>> ~~~~~~~~~~~~~~~~~~
>>> REGISTER sip:gutatelecom.ru SIP/2.0
>>> Via: SIP/2.0/UDP 10.123.0.190:10707
>>> Max-Forwards: 70
>>> From:
>>> <sip:kate at gutatelecom.ru>;tag=f3dda05188a9449abba6930f6dc9ba57;epid=d631b39a7b
>>> To: <sip:kate at gutatelecom.ru>
>>> Call-ID: fc49c5f7ddbd4bf78718b0b11986caf4 at 10.123.0.190
>>> CSeq: 1 REGISTER
>>> Contact: <sip:10.123.0.190:10707>;methods="INVITE, MESSAGE, INFO,
>>> SUBSCRIBE, OPTIONS, BYE, CANCEL, NOTIFY, ACK, REFER"
>>> User-Agent: RTC/1.2.4949
>>> Event: registration
>>> Allow-Events: presence
>>> Content-Length: 0
>>> K)^SIP/2.0 200 OK
>>> Via: SIP/2.0/UDP 10.123.0.190:10707
>>> From:
>>> <sip:kate at gutatelecom.ru>;tag=f3dda05188a9449abba6930f6dc9ba57;epid=d631b39a7b
>>> To: <sip:kate at gutatelecom.ru>;tag=9bf9a4f66ee3c16d13ef4422214649c2.b407
>>> Call-ID: fc49c5f7ddbd4bf78718b0b11986caf4 at 10.123.0.190
>>> CSeq: 1 REGISTER
>>> Contact: <sip:10.123.0.190:10707>;expires=3600
>>> Server: Sip EXpress router (0.9.4 (i386/solaris))
>>> Content-Length: 0
>>> Warning: 392 10.123.0.250:5060 "Noisy feedback tells: pid=24588
>>> req_src_ip=10.123.0.190 req_src_port=1271 in_uri=sip:gutatelecom.ru
>>> out_uri=sip:gutatelecom.ru via_cnt==1"
>>> SUBSCRIBE sip:ura at gutatelecom.ru SIP/2.0
>>> Via: SIP/2.0/UDP 10.123.0.190:10707
>>> Max-Forwards: 70
>>> From: "kate"
>>> <sip:kate at gutatelecom.ru>;tag=88b65cf1039140ba8f3fb3a0177ad1f0;epid=d631b39a7b
>>> To: <sip:ura at gutatelecom.ru>
>>> Call-ID: bf50c9641de74282a1f950e114e446de at 10.123.0.190
>>> CSeq: 1 SUBSCRIBE
>>> Contact: <sip:10.123.0.190:10707>
>>> User-Agent: RTC/1.2
>>> Event: presence
>>> Accept: application/xpidf+xml, text/xml+msrtc.pidf
>>> Supported: com.microsoft.autoextend
>>> Content-Length: 0
>>> SUBSCRIBE sip:admin at gutagroup.ru SIP/2.0
>>> Via: SIP/2.0/UDP 10.123.0.190:10707
>>> Max-Forwards: 70
>>> From: "kate"
>>> <sip:kate at gutatelecom.ru>;tag=28b82b1b69e34ffda395eafa53bff1fa;epid=d631b39a7b
>>> To: <sip:admin at gutagroup.ru>
>>> Call-ID: 0c95f18aac8a45578e90b1f61e5ad634 at 10.123.0.190
>>> CSeq: 1 SUBSCRIBE
>>> Contact: <sip:10.123.0.190:10707>
>>> User-Agent: RTC/1.2
>>> Event: presence
>>> Accept: application/xpidf+xml, text/xml+msrtc.pidf
>>> Supported: com.microsoft.autoextend
>>> Content-Length: 0
>>> SIP/2.0 400 Bad Request
>>> Via: SIP/2.0/UDP 10.123.0.190:10707
>>> From: "kate"
>>> <sip:kate at gutatelecom.ru>;tag=28b82b1b69e34ffda395eafa53bff1fa;epid=d631b39a7b
>>> To: <sip:admin at gutagroup.ru>;tag=4847b256b8606eb0a98fbd0f755585cd-b407
>>> Call-ID: 0c95f18aac8a45578e90b1f61e5ad634 at 10.123.0.190
>>> CSeq: 1 SUBSCRIBE
>>> Error while parsing headersServer: Sip EXpress router (0.9.4
>>> (i386/solaris))
>>> Content-Length: 0
>>> Warning: 392 10.123.0.250:5060 "Noisy feedback tells: pid=24588
>>> req_src_ip=10.123.0.190 req_src_port=1271 in_uri=sip:admin at gutagroup.ru
>>> out_uri=sip:admin at gutagroup.ru via_cnt==1"
>>> SIP/2.0 400 Bad Request
>>> Via: SIP/2.0/UDP 10.123.0.190:10707
>>> From: "kate"
>>> <sip:kate at gutatelecom.ru>;tag=88b65cf1039140ba8f3fb3a0177ad1f0;epid=d631b39a7b
>>> To: <sip:ura at gutatelecom.ru>;tag=4847b256b8606eb0a98fbd0f755585cd-b407
>>> Call-ID: bf50c9641de74282a1f950e114e446de at 10.123.0.190
>>> CSeq: 1 SUBSCRIBE
>>> Error while parsing headersServer: Sip EXpress router (0.9.4
>>> (i386/solaris))
>>> Content-Length: 0
>>> Warning: 392 10.123.0.250:5060 "Noisy feedback tells: pid=24590
>>> req_src_ip=10.123.0.190 req_src_port=1271 in_uri=sip:ura at gutatelecom.ru
>>> out_uri=sip:ura at gutatelecom.ru via_cnt==1"
>>> SUBSCRIBE sip:ura at gutatelecom.ru SIP/2.0
>>> Via: SIP/2.0/UDP 10.123.0.190:10707
>>> Max-Forwards: 70
>>> From: "kate"
>>> <sip:kate at gutatelecom.ru>;tag=88b65cf1039140ba8f3fb3a0177ad1f0;epid=d631b39a7b
>>> To: <sip:ura at gutatelecom.ru>
>>> Call-ID: bf50c9641de74282a1f950e114e446de at 10.123.0.190
>>> CSeq: 1 SUBSCRIBE
>>> Contact: <sip:10.123.0.190:10707>
>>> User-Agent: RTC/1.2
>>> Event: presence
>>> Accept: application/xpidf+xml, text/xml+msrtc.pidf
>>> Supported: com.microsoft.autoextend
>>> Content-Length: 0
>>> SUBSCRIBE sip:admin at gutagroup.ru SIP/2.0
>>> Via: SIP/2.0/UDP 10.123.0.190:10707
>>> Max-Forwards: 70
>>> From: "kate"
>>> <sip:kate at gutatelecom.ru>;tag=28b82b1b69e34ffda395eafa53bff1fa;epid=d631b39a7b
>>> To: <sip:admin at gutagroup.ru>
>>> Call-ID: 0c95f18aac8a45578e90b1f61e5ad634 at 10.123.0.190
>>> CSeq: 1 SUBSCRIBE
>>> Contact: <sip:10.123.0.190:10707>
>>> User-Agent: RTC/1.2
>>> Event: presence
>>> Accept: application/xpidf+xml, text/xml+msrtc.pidf
>>> Supported: com.microsoft.autoextend
>>> Content-Length: 0
>>> SIP/2.0 400 Bad Request
>>> Via: SIP/2.0/UDP 10.123.0.190:10707
>>> From: "kate"
>>> <sip:kate at gutatelecom.ru>;tag=88b65cf1039140ba8f3fb3a0177ad1f0;epid=d631b39a7b
>>> To: <sip:ura at gutatelecom.ru>;tag=4847b256b8606eb0a98fbd0f755585cd-b407
>>> Call-ID: bf50c9641de74282a1f950e114e446de at 10.123.0.190
>>> CSeq: 1 SUBSCRIBE
>>> Error while parsing headersServer: Sip EXpress router (0.9.4
>>> (i386/solaris))
>>> Content-Length: 0
>>> Warning: 392 10.123.0.250:5060 "Noisy feedback tells: pid=24590
>>> req_src_ip=10.123.0.190 req_src_port=1271 in_uri=sip:ura at gutatelecom.ru
>>> out_uri=sip:ura at gutatelecom.ru via_cnt==1"
>>> SIP/2.0 400 Bad Request
>>> Via: SIP/2.0/UDP 10.123.0.190:10707
>>> From: "kate"
>>> <sip:kate at gutatelecom.ru>;tag=28b82b1b69e34ffda395eafa53bff1fa;epid=d631b39a7b
>>> To: <sip:admin at gutagroup.ru>;tag=4847b256b8606eb0a98fbd0f755585cd-b407
>>> Call-ID: 0c95f18aac8a45578e90b1f61e5ad634 at 10.123.0.190
>>> CSeq: 1 SUBSCRIBE
>>> Error while parsing headersServer: Sip EXpress router (0.9.4
>>> (i386/solaris))
>>> Content-Length: 0
>>> Warning: 392 10.123.0.250:5060 "Noisy feedback tells: pid=24588
>>> req_src_ip=10.123.0.190 req_src_port=1271 in_uri=sip:admin at gutagroup.ru
>>> out_uri=sip:admin at gutagroup.ru via_cnt==1"
>>>
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