'Re: [SR-Users] kamailio with mediaproxy-ng, 488 Not Acceptable Here'

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List:       sr-users
Subject:    Re: [SR-Users] kamailio with mediaproxy-ng, 488 Not Acceptable Here
From:       Klaus Darilion <klaus.mailinglists () pernau ! at>
Date:       2014-01-29 12:57:54
Message-ID: 52E8FAD2.8090502 () pernau ! at
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Peter had a talk at Astricon 2013 presenting how it works. I think the 
magic lies on the parameters. See this slide (there are some more 
interesting slides)
https://www.youtube.com/watch?list=PLighc-2vlRgQHZMBp-8CCFi5otCnw7Lwj&v=rXsVSaRuv20&feature=player_detailpage#t=659

regards
Klaus

On 29.01.2014 12:53, Mihai Marin wrote:
> Hello,
> Thank you for your answer.
> 
> My server is a centos with public ip. I'm using chrome with jssip
> framework for sip client - tried sipml5 also. I have attached to this
> e-mail my kamailio configuration.
> 
> Regarding the kamailio + mediaproxy-ng I took the latest versions from
> git - also tried with kamailio 4.1.1. The mediaproxy-ng I'm running
> using the command: /tmp/mediaproxy-ng/daemon/mediaproxy-ng
> --ip=PUBLIC_IP --listen-ng=127.0.0.1:2222 <http://127.0.0.1:2222>
> 
> 
> 
> I also tried the following configuration and I have the same error:
> route {
> ......................
> 
> ##################################################################################################################
>  # Use RTP-Proxy
> ###############################################################################################################
>  #if (!rtpproxy_offer("arf")) {
> #sl_send_reply("503", "No RTP-Relay available");
> #exit;
> #}
> if (is_method("INVITE")) {
> if (sdp_content()) {
> if (rtpproxy_offer())
> rtpproxy_manage("cowf","PUBLIC_IP");
> t_on_reply("1");
> }
> } else {
> if (sdp_content()) {
> if (rtpproxy_offer())
> rtpproxy_manage("cowf","PUBLIC_IP");
> }
> }
> if (is_method("ACK") && sdp_content()) {
> rtpproxy_answer();
> rtpproxy_manage("cowf","PUBLIC_IP");
> }
> 
> 
> #t_on_reply("1");
> 
> # Relay this statefully
> t_relay();
> ...............................................................
> *******************************************************************
> onreply_route[1] {
> if ((($Rp == MY_WS_PORT || $Rp == MY_WSS_PORT)
> && !(proto == WS || proto == WSS)) || $Rp == MY_MSRP_PORT) {
> xlog("L_WARN", "SIP response received on $Rp\n");
> drop;
> exit;
> }
> if (nat_uac_test(64)) {
> # Do NAT traversal stuff for replies to a WebSocket connection
> # - even if it is not behind a NAT!
> # This won't be needed in the future if Kamailio and the
> # WebSocket client support Outbound and Path.
> add_contact_alias();
> }
> # A Transaction from a NATed Client to a NATed Client? Use the RTP-Proxy!
> if (status=~"(180)|(183)|(2[0-9][0-9])") {
> fix_nated_contact();
> if (sdp_content()) {
> rtpproxy_answer();
> }
> }
> }
> 
> If my problem could be caused by a kamalio miss-configuration could you
> please send me an example of configuration that should work with
> websockets, rtpproxy-ng->mediaproxy-ng in order to remove one possible
> cause?
> 
> Thank you.
> 
> Best regards,
> Mihai M
> 
> On Wed, Jan 29, 2014 at 1:31 PM, Klaus Darilion
> <klaus.mailinglists@pernau.at <mailto:klaus.mailinglists@pernau.at>> wrote:
> 
> Hi!
> 
> The problem is different SDP formats between normal SIP
> clients/gateways, and WebRTC clients.
> 
> You have to instruct mediaproxy-ng to rewrite the SDP and do the
> conversion (encryption, ...).
> 
> So either the rtpproxy_ng calls lack the commands for the
> "gatewaying", or the webrtc clients uses eg. an encryption which is
> not supported by mediaproxy-ng.
> 
> Please also post the kamailio.cfg snippets when calling rtpproxy_ng
> and give details about your environment (browser, SIP client ...)
> 
> regards
> Klaus
> 
> 
> On 27.01.2014 22:38, Mihai Marin wrote:
> 
> Hello Sirs,
> I have a problem configuring kamailio with mediaproxy-ng and I'm
> asking
> for help.
> 
> I managed to build everything, kamailio find support for
> mediaproxy-ng
> using rtpproxy-ng. When I'm trying to make a call from Web using my
> phone's internet provider to my computer's web I get 488 Not
> Acceptable
> Here. Swithing the caller I get no video.
> 
> I have used the kamailio-advanced.cfg generated and added websocket
> support. The call in my network is working perfect.
> 
> Can you help me with this?
> 
> mediaproxy-ng log:
> mediaproxy-ng[14896]: Returning to SIP proxy:
> d7:createdi1390864117e7:__streamslld3:tag10:trhh9viigs6:__status34:known
> but
> unconfirmed peer
> address5:statsd3:rtpd8:__countersd7:packetsi0e5:__bytesi0e6:errorsi0ee12:peer
> addressd6:family4:IPv47:__address13:213.233.85.554:__porti48279ee23:advertised
> peer
> addressd6:family4:IPv47:__address13:213.233.85.554:__porti48279ee10:local
> porti30008ee4:rtcpd8:__countersd7:packetsi0e5:__bytesi0e6:errorsi0ee12:peer
> addressd6:family4:IPv47:__address13:213.233.85.554:__porti48280ee23:advertised
> peer
> addressd6:family4:IPv47:__address13:213.233.85.554:__porti48280ee10:local
> porti30009eeeed3:tag0:6:__status20:unknown peer
> address5:statsd3:rtpd8:__countersd7:packetsi0e5:__bytesi0e6:errorsi0ee12:peer
> addressd6:family4:IPv67:__address2:::4:porti0ee23:__advertised
> peer addressd6:family4:IPv67:__address2:::4:porti0ee10:local
> porti30010ee4:rtcpd8:__countersd7:packetsi0e5:__bytesi0e6:errorsi0ee12:peer
> addressd6:family4:IPv67:__address2:::4:porti0ee23:__advertised peer
> addressd6:family4:IPv67:__address2:::4:porti0ee10:local
> porti30011eeeeee6:totalsd5:__inputd3:rtpd7:packetsi0e5:__bytesi0e6:errorsi0ee4:rtcpd \
> 7:__packetsi0e5:bytesi0e6:__errorsi0eee6:outputd3:rtpd7:__packetsi0e5:bytesi0e6:__errorsi0ee4:rtcpd7:__packetsi0e5:bytesi0e6:__errorsi0eeee6:result2:oke
>  
> 
> kamailio:
> 
> 11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=860 a=24
> n=rtpproxy_manage
> 11(14926) DEBUG: rtpproxy-ng [rtpproxy.c:1333]:
> rtpp_function_call():
> proxy reply:
> d7:createdi1390864117e7:__streamslld3:tag10:trhh9viigs6:__status34:known
> but
> unconfirmed peer
> address5:statsd3:rtpd8:__countersd7:packetsi0e5:__bytesi0e6:errorsi0ee12:peer
> addressd6:family4:IPv47:__address13:213.233.85.554:__porti48279ee23:advertised
> peer
> addressd6:family4:IPv47:__address13:213.233.85.554:__porti48279ee10:local
> porti30008ee4:rtcpd8:__countersd7:packetsi0e5:__bytesi0e6:errorsi0ee12:peer
> addressd6:family4:IPv47:__address13:213.233.85.554:__porti48280ee23:advertised
> peer
> addressd6:family4:IPv47:__address13:213.233.85.554:__porti48280ee10:local
> porti30009eeeed3:tag0:6:__status20:unknown peer
> address5:statsd3:rtpd8:__countersd7:packetsi0e5:__bytesi0e6:errorsi0ee12:peer
> addressd6:family4:IPv67:__address2:::4:porti0ee23:__advertised
> peer addressd6:family4:IPv67:__address2:::4:porti0ee10:local
> porti30010ee4:rtcpd8:__countersd7:packetsi0e5:__bytesi0e6:errorsi0ee12:peer
> addressd6:family4:IPv67:__address2:::4:porti0ee23:__advertised peer
> addressd6:family4:IPv67:__address2:::4:porti0ee10:local
> porti30011eeeeee6:totalsd5:__inputd3:rtpd7:packetsi0e5:__bytesi0e6:errorsi0ee4:rtcpd \
> 7:__packetsi0e5:bytesi0e6:__errorsi0eee6:outputd3:rtpd7:__packetsi0e5:bytesi0e6:__errorsi0ee4:rtcpd7:__packetsi0e5:bytesi0e6:__errorsi0eeee6:result2:oke
>  11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=867 a=16 n=if
> 11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=862 a=24
> n=is_request
> 11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=866 a=16 n=if
> 11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=863 a=24
> n=has_totag
> 11(14926) DEBUG: siputils [checks.c:103]: has_totag(): no totag
> 11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=864 a=25
> n=add_rr_param
> 11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=873 a=16 n=if
> 11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=867 a=24
> n=is_reply
> 11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=873 a=2
> n=return
> 11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=1009 a=16 n=if
> 11(14926) ERROR: *** cfgtrace:
> c=[/usr/local/etc/kamailio/__kamailio-advanced.cfg] l=989 a=24
> n=t_is_canceled
> 11(14926) DEBUG: tm [t_lookup.c:1071]: t_check_msg(): DEBUG:
> t_check_msg: msg id=2 global id=2 T start=0x7f62174df4e0
> 11(14926) DEBUG: tm [t_lookup.c:1143]: t_check_msg(): DEBUG:
> t_check_msg: T already found!
> 11(14926) DEBUG: tm [t_reply.c:1827]: relay_reply(): DEBUG:
> relay_reply:
> branch=0, save=0, relay=0 icode=0
> 11(14926) DEBUG: <core> [msg_translator.c:2007]:
> generate_res_buf_from_sip_res(__):  old size: 397, new size: 305
> 11(14926) DEBUG: <core> [msg_translator.c:2025]:
> generate_res_buf_from_sip_res(__): copied size: orig:125, new:
> 33, rest:
> 272 msg=
> SIP/2.0 488 Not Acceptable Here
> Via: SIP/2.0/WS
> ebhg3v0qb6fm.invalid;rport=__1034;received=213.233.85.55
> <tel:213.233.85.55>;branch=__z9hG4bK8048296
> To: <sip:bob@93.187.138.214 <mailto:sip%3Abob@93.187.138.214>
> <mailto:sip%3Abob@93.187.138.__214
> <mailto:sip%253Abob@93.187.138.214>>>;tag=r6dc2287g9
> 
> From: "Alice Test" <sip:alice@93.187.138.214
> <mailto:sip%3Aalice@93.187.138.214>
> <mailto:sip%3Aalice@93.187.__138.214
> <mailto:sip%253Aalice@93.187.138.214>>>;tag=trhh9viigs
> 
> Call-ID: fvgga4ikm8vrvuji0g0n
> CSeq: 6228 INVITE
> Content-Length: 0
> 
> 
> 11(14926) DEBUG: websocket [ws_frame.c:713]: ws_frame_transmit(): Tx
> message:
> SIP/2.0 488 Not Acceptable Here
> Via: SIP/2.0/WS
> ebhg3v0qb6fm.invalid;rport=__1034;received=213.233.85.55
> <tel:213.233.85.55>;branch=__z9hG4bK8048296
> To: <sip:bob@93.187.138.214 <mailto:sip%3Abob@93.187.138.214>
> <mailto:sip%3Abob@93.187.138.__214
> <mailto:sip%253Abob@93.187.138.214>>>;tag=r6dc2287g9
> 
> From: "Alice Test" <sip:alice@93.187.138.214
> <mailto:sip%3Aalice@93.187.138.214>
> <mailto:sip%3Aalice@93.187.__138.214
> <mailto:sip%253Aalice@93.187.138.214>>>;tag=trhh9viigs
> 
> Call-ID: fvgga4ikm8vrvuji0g0n
> CSeq: 6228 INVITE
> Content-Length: 0
> 
> 
> Thank you.
> 
> Best regards,
> Mihai M
> 
> 
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