[SR-Users] Callee BYE routing issue

Sat Apr 11 18:20:51 CEST 2020

I don't know mate, something wrong with your config, all I can say from the
provided info is that there's no place for *alias *in From/To headers. They
must be in Contact/RURI.

On Fri, Apr 10, 2020 at 9:43 PM Daniel W. Graham <dan at cmsinter.net> wrote:

> I’ve tested with two different UA types and same thing happens, must be a
> result of the B2BUA sending the alias in the To header of the invite.
>
> Example -
>
>
>
> 2020/04/10 12:31:36.851987 Proxy_IP:5060 -> NAT_Device_IP:58090
>
> INVITE sip:399 at UA1_IP:60916;rinstance=8ec7d4acf9c3436c SIP/2.0
>
> Record-Route: <sip:Poxy_IP;lr=on;ftag=as4220330a;did=a2c.1d81>
>
> Via: SIP/2.0/UDP
> Proxy_IP;branch=z9hG4bKbfa9.767ffbe5f0e31be8c27932008d28844e.0
>
> Via: SIP/2.0/UDP B2BUA_IP:5160;received=
> B2BUA_IP;branch=z9hG4bK22bd58aa;rport=5160
>
> Max-Forwards: 69
>
> From: "Dan Test" <sip:398@ B2BUA_IP:5160>;tag=as4220330a
>
> To: <sip:399 at UA1_IP
> :60916;rinstance=8ec7d4acf9c3436c;alias=NAT_Device_IP~58090~1>
>
> Contact: <sip:398@ B2BUA_IP:5160>
>
> Call-ID: 1835b7eb541743600e1b79c07615206c@ B2BUA_IP:5160
>
> CSeq: 102 INVITE
>
> User-Agent: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> Date: Fri, 10 Apr 2020 16:31:34 GMT
>
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
> PUBLISH, MESSAGE
>
> Supported: replaces, timer
>
> P-Asserted-Identity: "Dan Test" <sip:398 at B2BUA_IP>
>
> Content-Type: application/sdp
>
> Content-Length: 566
>
>
>
> The alias is in the contact header for the invite sent by kamailio, so
> everything looks fine there.
>
>
>
> Thanks,
>
>
>
> -dan
>
>
>
>
>
> *From: *sr-users <sr-users-bounces at lists.kamailio.org> on behalf of
> Sergiu Pojoga <pojogas at gmail.com>
> *Reply-To: *"Kamailio (SER) - Users Mailing List" <
> sr-users at lists.kamailio.org>
> *Date: *Friday, April 10, 2020 at 2:29 AM
> *To: *"Kamailio (SER) - Users Mailing List" <sr-users at lists.kamailio.org>
> *Subject: *Re: [SR-Users] Callee BYE routing issue
>
>
>
> From: <sip:399 at UA1_IP
> :52884;rinstance=705e0af5f4be485c;alias=NAT_Device_IP:~57808~1>;tag=64f4b712
>
>
>
>
> Something wrong with the above From, no closing ">", also there's no place
> for *alias *in From headers.
>
>
>
> On Fri, Apr 10, 2020 at 1:25 AM Daniel W. Graham <dan at cmsinter.net> wrote:
>
> Have an issue with BYE routing in a lab setup, any suggestions on what I
> should be looking at?
>
>
>
> Topology:
>
>
>
> UA1  <-> NAT device 1 <-> Proxy1 <-> Registrar/B2BUA <-> Proxy1 <-> NAT
> device 1 <-> UA2
>
>
>
> All UA to UA calls flow through B2BUA.
>
>
>
> All IP’s are public except for UA1 and UA2.
>
>
>
> -Both endpoints can call each other.
>
> -If the caller hangs up first, BYE is routed properly.
>
> -If the callee hangs up first, BYE causes proxy to send 478.
>
>
>
> On calls where BYE results in 478:
>
> if(!isdsturiset()) {
>
>     ……….…………………….not executed
>
>     handle_ruri_alias()
>
> }
>
> return;
>
>
>
> Example issue call: UA2 to UA1, UA1 hang-up.
>
>
>
> Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE
> 24dc84a4592515245177483c2a657042 at B2BUA_IP:5160} ***
> cfgtrace:dbg_cfg_trace(): request_route=[DLGURI]
> c=[/usr/local/etc/kamailio/kamailio.cfg] l=540 a=16 n=if
>
> Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE
> 24dc84a4592515245177483c2a657042 at B2BUA_IP:5160} ***
> cfgtrace:dbg_cfg_trace(): request_route=[DLGURI]
> c=[/usr/local/etc/kamailio/kamailio.cfg] l=532 a=24 n=isdsturiset
>
> Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE
> 24dc84a4592515245177483c2a657042 at B2BUA_IP:5160} ***
> cfgtrace:dbg_cfg_trace(): request_route=[DLGURI]
> c=[/usr/local/etc/kamailio/kamailio.cfg] l=540 a=2 n=return
>
> ………..
>
> Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE
> 24dc84a4592515245177483c2a657042 at B2BUA_IP:5160} tm [ut.h:245]:
> uri2dst2(): bad_uri: [sip::;transport=]
>
> Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE
> 24dc84a4592515245177483c2a657042 at B2BUA_IP:5160} tm [t_fwd.c:1732]:
> t_forward_nonack(): failure to add branches
>
> Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE
> 24dc84a4592515245177483c2a657042 at B2BUA_IP:5160} ***
> cfgtrace:dbg_cfg_trace(): request_route=[RELAY]
> c=[/usr/local/etc/kamailio/kamailio.cfg] l=275 a=24 n=sl_reply_error
>
> Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE
> 24dc84a4592515245177483c2a657042 at B2BUA_IP:5160} sl [sl_funcs.c:401]:
> sl_reply_error(): stateless error reply used: Unresolvable destination
> (478/SL)
>
> Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE
> 24dc84a4592515245177483c2a657042 at B2BUA_IP:5160} ***
> cfgtrace:dbg_cfg_trace(): request_route=[RELAY]
> c=[/usr/local/etc/kamailio/kamailio.cfg] l=277 a=2 n=exit
>
>
>
> 2020/04/10 00:31:28.625060 NAT_Device_IP:57808 -> Proxy_IP:5060
>
> BYE sip:398 at B2BUA_IP:5160 SIP/2.0
>
> Via: SIP/2.0/UDP UA1_IP:52884;branch=z9hG4bK-524287-1---43b5f31829f20952
>
> Max-Forwards: 70
>
> Route: <sip:Proxy_IP;lr=on;ftag=as78671fd9;did=b1b.a27>
>
> Contact: <sip:399 at UA1_IP:52884>
>
> To: "Dan Test" <sip:398 at B2BUA_IP:5160>;tag=as78671fd9
>
> From: <sip:399 at UA1_IP
> :52884;rinstance=705e0af5f4be485c;alias=NAT_Device_IP:~57808~1>;tag=64f4b712
>
> Call-ID: 24dc84a4592515245177483c2a657042 at B2BUA_IP:5160
>
> CSeq: 2 BYE
>
> User-Agent: xxxxxxxxxxxxxxxx
>
> Content-Length: 0
>
>
>
> #########################################
>
>
>
> For comparison, here is a BYE from another test call: *UA1 to UA2, UA1
> hang-up.*
>
>
>
> This BYE was routed correctly.
>
>
>
> 2020/04/10 00:44:02.688608 NAT_Device_IP:57808 -> Proxy_IP:5060
>
> BYE sip:398 at B2BUA_IP:5160 SIP/2.0
>
> Via: SIP/2.0/UDP UA1_IP:52884;branch=z9hG4bK-524287-1---ce36df02e8a80a48
>
> Max-Forwards: 70
>
> Route: <sip:Proxy_IP;lr=on;ftag=9078f232;did=49e.8c01>
>
> Contact: <sip:399 at UA1_IP:52884>
>
> To: <sip:398 at B2BUA_IP>;tag=as5874901f
>
> From: <sip:399 at B2BUA_IP:5060>;tag=9078f232
>
> Call-ID: 103104NGU1NjkxNGZkYmM4MzA3Y2FkMzY1OGNkZTZmMTMyZDU
>
> CSeq: 3 BYE
>
> User-Agent: xxxxxxxxxxxxxxxx
>
> Authorization: Digest username= xxxxxxxxxxxxxxxx
>
> Content-Length: 0
>
>
>
> -dan
>
>
>
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>
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