[OpenSIPS-Users] Opensips + RtpProxy: media stream timed out while starting

John Mathew john.mathew at divoxmedia.com
Sat Feb 14 07:12:34 CET 2015


Hi,

Typo from my end.

make it

append_hf("Contact: <bob at xx.xx.xx.xx:5061;transport=tls>\r\n");

On Sat, Feb 14, 2015 at 11:32 AM, Semen Golubcov <thegolub4 at gmail.com>
wrote:

> I just tried to modify my onreply route with remove/append hf, it didn't
> help. The call is now hanging on 'connecting' state in alex softphone and
> the media channel is not established . And bob get's the same timed out
> eror.
>
> here is route:
>
> onreply_route[handle_nat] {
>         remove_hf("Contact:");
>         append_hf("Contact: <bob at xx.xx.xx.xx:5061>;transport=tls>\r\n");
>         if (nat_uac_test("1"))
>                 fix_nated_contact();
>         if ( isflagset(NAT) )
>                 rtpproxy_answer("ro");
>         xlog("incoming reply\n");
> }
>
>
> 2015-02-14 6:58 GMT+02:00 John Mathew <john.mathew at divoxmedia.com>:
>
>> Semen,
>>
>> After looking into the issue, i think you are not using TLS transport in
>> your onreply_route function. On reply function still sending messages to
>> alex on udp, which is been rejected by alex and waiting for reply on tls.
>> Here alex is missing 200Ok.
>>
>> You have to make sure you are sending the right contact header to the
>> A-Party with transport=tls.
>>
>> Try rewriting your contact header from bob by
>> remove_hf("Contact:");
>> append_hf("Contact: <bob at opensipsIP:port>;transport=tls>\r\n");
>>
>>
>>
>>
>> On Sat, Feb 14, 2015 at 9:37 AM, Semen Golubcov <thegolub4 at gmail.com>
>> wrote:
>>
>>> Hello. Here is the result of the ifconfig eth0 | grep 'inet':
>>>
>>> inet addr:190.32.5.8  Bcast:190.32.5.255  Mask:255.255.255.0
>>> inet6 addr: (my_ipv6):5990/64 Scope:Link
>>>
>>> My server is basically a virtual dedicated server, i think you are right
>>> about my network scenario.
>>> I looked up the patch, and re-checked the rtpproxy source from git, it
>>> loooks like it is ok with supporting -A option. I ran the proxy like so:
>>>
>>> sudo rtpproxy -d DBUG:LOG_LOCAL5 -f -s udp:localhost:12221 -u
>>> rtpproxy:rtpproxy -p /var/run/rtpproxy/rtpproxy.pid -A 185.48.5.9 -m 16384
>>> -M 32768
>>>
>>> And the same problem still remains, here is the debug output:
>>>
>>> DBUG:get_command:GLOBAL: received command "3165_12 Lc113,101
>>> b45b04f432f140b1bca5bf048d035871 10.10.10.108 50937
>>> 6217f250d0f8490f9cbe4b37059cf82a;1 89c29c90c08940d8b7e155978a1d0fbb;1"
>>> INFO:rtpp_command_ul_handle:b45b04f432f140b1bca5bf048d035871: lookup on
>>> ports 26094/21578, session timer restarted
>>> INFO:rtpp_command_ul_handle:b45b04f432f140b1bca5bf048d035871:
>>> pre-filling callee's address with 10.10.10.108:50937
>>> DBUG:rtpc_doreply:GLOBAL: sending reply "21578
>>> "
>>> INFO:rxmit_packets:b45b04f432f140b1bca5bf048d035871: callee's address
>>> filled in: 152.xx.xx.xx:50937 (RTP)
>>> INFO:rxmit_packets:b45b04f432f140b1bca5bf048d035871: guessing RTCP port
>>> for callee to be 50938
>>> INFO:rxmit_packets:b45b04f432f140b1bca5bf048d035871: callee's address
>>> filled in: 152.xx.xx.xx:50941 (RTCP)
>>> INFO:rxmit_packets:b45b04f432f140b1bca5bf048d035871: caller's address
>>> filled in: 152.xx.xx.xx:50921 (RTP)
>>> INFO:rxmit_packets:b45b04f432f140b1bca5bf048d035871: guessing RTCP port
>>> for caller to be 50922
>>> INFO:rxmit_packets:b45b04f432f140b1bca5bf048d035871: caller's address
>>> filled in: 152.xx.xx.xx:50925 (RTCP)
>>> INFO:process_rtp:4758975202dd42c194b3ece85af6feea: session timeout
>>> INFO:remove_session:4758975202dd42c194b3ece85af6feea: RTP stats: 250 in
>>> from callee, 241 in from caller, 491 relayed, 0 dropped
>>> INFO:remove_session:4758975202dd42c194b3ece85af6feea: RTCP stats: 4 in
>>> from callee, 5 in from caller, 9 relayed, 0 dropped
>>> INFO:remove_session:4758975202dd42c194b3ece85af6feea: session on ports
>>> 22646/17854 is cleaned up
>>>
>>> I guess now that it's some sort of ACK packet issue on opensips side (
>>> only using tls , using the udp,tcp evrything works fine).
>>>
>>>
>>> 2015-02-14 4:38 GMT+02:00 Babil <gsbabil at gmail.com>:
>>>
>>>> Hi Semen,
>>>> what is your network configuration? If the RTP-Proxy machine is an
>>>> Amazon EC-2 (or alike) instance where an "elastic" public IP is attached
>>>> to the Ethernet interface which has a different internal DHCP provided
>>>> address (or you have a port-forwarding scenario), you'd need to use a
>>>> patched version of RTP-Proxy.
>>>>
>>>> The RTP-Proxy patch, as shown here [0], will allow you to have an
>>>> additional '-A' option to modify the advertised IP address (external
>>>> publicly visible IP address) by RTP-Proxy which should resolve the
>>>> timeout issues you are experiencing. This version [1] on Github also
>>>> seems to have the patch integrated. You'll find a longer discussion on
>>>> the RTP-Proxy and NAT problem here [2].
>>>>
>>>> Hope this helps. Good luck.
>>>>
>>>> P.S.
>>>> In order to check your network address dissimilarities, you may try the
>>>> following commands. I'm considering your external interface is `eth0`:
>>>>
>>>> ```
>>>> ifconfig eth0 | grep 'inet'
>>>> ## or,
>>>> #ip addr show dev eth0 | grep 'inet'
>>>> ## followed by
>>>> curl 'ipinfo.io/ip'
>>>> ```
>>>>
>>>> You may run RTP-Proxy as:
>>>>
>>>> ```
>>>> sudo rtpproxy -d DBUG:LOG_LOCAL5 -f -s udp:127.0.0.1:12221 -u
>>>> rtpproxy:rtpproxy -p /var/run/rtpproxy/rtpproxy.pid -A 54.111.222.123 -l
>>>> 10.0.0.2 -m 16384 -M 32768
>>>> ```
>>>>
>>>> [0] http://bit.ly/1KUS9bx
>>>> [1] https://github.com/sippy/rtpproxy
>>>> [2] http://bit.ly/1CpQXe9
>>>>
>>>> --
>>>> Regards,
>>>> Babil (Golam Sarwar)
>>>>
>>>> PGP Key Fingerprint : D3A1 EED0 5BA0 72D3 A011 75CB 8EA6 7D99 F433 E92D
>>>> PGP Key Download URL: http://bit.ly/gsbabil-pgp-key
>>>>
>>>> Regards,
>>>> Babil (Golam Sarwar)
>>>>
>>>> PGP Key Fingerprint : D3A1 EED0 5BA0 72D3 A011 75CB 8EA6 7D99 F433 E92D
>>>> PGP Key Download URL: http://bit.ly/gsbabil-pgp-key
>>>>
>>>> On Fri, Feb 13, 2015 at 10:27 AM, Semen Golubcov <thegolub4 at gmail.com>
>>>> wrote:
>>>>
>>>>> Hello! I'm using the latest opensips with latest rtpproxy :
>>>>>
>>>>> Basic version: 20040107
>>>>> Extension 20050322: Support for multiple RTP streams and MOH
>>>>> Extension 20060704: Support for extra parameter in the V command
>>>>> Extension 20071116: Support for RTP re-packetization
>>>>> Extension 20071218: Support for forking (copying) RTP stream
>>>>> Extension 20080403: Support for RTP statistics querying
>>>>> Extension 20081102: Support for setting codecs in the update/lookup
>>>>> command
>>>>> Extension 20081224: Support for session timeout notifications
>>>>> Extension 20090810: Support for automatic bridging
>>>>>
>>>>> i did setup the secure tls connection between clients in the opensips,
>>>>> it uses the client certificate verification. But the interaction with
>>>>> rtpproxy is getting messed up somehow. I'm using the blink softphone to
>>>>> test on. So i have 2 accounts: bob and alex. When i do *call* *bob*
>>>>> *from* *alex* i get this kind of behaviour in the *bob's softphone*:
>>>>>
>>>>> ​So it hangs on "starting media", but in the same time the actual
>>>>> connection is established, me and my partner can hear each other and we can
>>>>> talk perfectly, so i assume the actual stream is allright. It hangs for
>>>>> exactly 15 seconds then we get:
>>>>>
>>>>>>>>>>
>>>>> *"media stream timed out while starting" in the bob's softphone*.
>>>>>
>>>>> *On the alex softphone side*:
>>>>>
>>>>>
>>>>>>>>>>
>>>>>  "call ended by remote".
>>>>>
>>>>> The icon indicating that rtp stream is encrypted is not shown on bob's
>>>>> side, but the stream is working. I tried to disable tls, and use plain tcp,
>>>>> and it's working fine without tls, call is not getting stuck and
>>>>> automatically terminate.
>>>>>
>>>>> My rtpproxy is running like so:
>>>>>
>>>>> rtpproxy -u rtpproxy -s udp:localhost:12221
>>>>>
>>>>> And my opensips config is generated by osipconfig utility (i didn't
>>>>> modify the routes at all)  see attached opensips.cfg
>>>>>
>>>>> I looked up the syslog for rtpproxy entries, apparently there is no
>>>>> entries from rtpproxy or opensips with any error, other than
>>>>>
>>>>> Feb 13 04:00:24 user /usr/local/sbin/opensips[17535]:
>>>>> ERROR:rtpproxy:force_rtp_proxy: Unable to parse body
>>>>>
>>>>> Feb 13 04:00:22 user /usr/local/sbin/opensips[17535]:
>>>>> DBG:tm:matching_3261: RFC3261 transaction matching failed
>>>>> I hope someone can help me to solve this problem, i'am hanging on this
>>>>> for  a week. If necessary i can post the syslog and blink softphone sip
>>>>> traces, of our test conversation. Maybe the problem is with ACK?
>>>>>
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at lists.opensips.org
>>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>>>
>>>>>
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at lists.opensips.org
>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>>
>>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opensips.org
>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>
>>>
>>
>>
>> --
>>
>> Regards,
>> John Mathew
>> CEO/Director
>> Divox International Inc.
>> Contact: +91-9037100001
>> Email/MSN: John.Mathew at divoxmedia.com
>> WEB: www.divoxmedia.com
>>
>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opensips.org
>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
>>
>
> _______________________________________________
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>
>


-- 

Regards,
John Mathew
CEO/Director
Divox International Inc.
Contact: +91-9037100001
Email/MSN: John.Mathew at divoxmedia.com
WEB: www.divoxmedia.com
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