[SR-Users] PRACK with UDP to TCP translation send over wrong protocol
Daniel-Constantin Mierla
miconda at gmail.com
Fri Sep 24 08:08:57 CEST 2021
Hello,
good it was sorted out and that you wrote what the solution, so people
reading the discussion in the archive know what was the case about.
Cheers,
Daniel
On 23.09.21 19:32, Angelo Sipper wrote:
> Hi Daniel,
>
> I got a response today from the provider escalation team and they
> actually confirmed that it was a firewall issue from their side. They
> were blocking their own BYE to us....
> They were expecting traffic from us from one only port (as UDP
> behavior) and since we were sending from different ports, as TCP does,
> their SBC was not able to respond to us as their firewall was blocking
> all other ports.
> What can I say.... Anyway we now have this provider in operation.
> Thank you very much and sorry for the big message for no actual reason
> regarding the Kamailio.
>
> Kind Regards,
> Angelo
>
> Στις Τετ, 22 Σεπ 2021 στις 7:00 μ.μ., ο/η Angelo Sipper
> <sippro97 at gmail.com <mailto:sippro97 at gmail.com>> έγραψε:
>
> Hi Daniel,
>
> Provider managed to add the transport=tcp in the contact as you
> suggested and call flow was fine but, another issue came up and I
> believe it is again TCP that causes this issue.
> If our side terminates the call, our Kamailio2 sends the BYE and
> it is accepted from the provider side terminating the call correctly.
> When the far end terminates the call, providers send a BYE that we
> never receive from the provider and our UAC remains on call. If
> our UAC terminates the call after the far end terminates the call
> we receive a 481 from the provider as the call actually does not
> exist any more on his side and this makes sense.
> Even this is not the case, to be 100% sure we have even completely
> disabled our firewall on the tests but we have the same results.
> Below I am sending you the provider trace that he sends 2 BYE to
> us without any response from us. These two BYE never reached our side.
> For testing we even changed the TCP listen port of kamailio to
> 5080 to be separate ports from the UDP which remains on 5060
> Provider engineers cannot respond to this problem with a resolution.
> Can you please check if you can see something in the trace that
> can identify the cause of this behavior?
> Is it something I can change on our Kamailio2 config to avoid this?
>
> TRACE
> ======
> INVITE sip:123456789 at sip.mydomain.com:5060
> <http://sip:123456789@sip.mydomain.com:5060> SIP/2.0
> Via: SIP/2.0/TCP
> 50.50.50.182:5080;branch=z9hG4bK4e1.3a5eafdb0c6cb4f6b4fbaf7faface967.0
> Max-Forwards: 68
> From: 987654321 <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> To: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 11769 INVITE
> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE,
> NOTIFY, REFER, MESSAGE, OPTIONS
> Supported: replaces, 100rel, timer, norefersub
> Session-Expires: 1800
> Min-SE: 90
> Content-Type: application/sdp
> Content-Length: 324
> P-Asserted-Identity: <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>
> Contact:
> <sip:btpsh-b6-614ae8ae-21085-1 at 50.50.50.182:5080;transport=tcp>
> v=0
> o=- 3841298833 3841298833 IN IP4 50.50.50.184
> s=pjmedia
> b=AS:84
> t=0 0
> a=X-nat:0
> m=audio 27892 RTP/AVP 8 0 101
> c=IN IP4 50.50.50.184
> b=TIAS:64000
> a=ssrc:83234588 cname:6b760b5029f225e8
> a=rtpmap:8 PCMA/8000
> a=rtpmap:0 PCMU/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=sendrecv
> a=rtcp:27893
>
>
> >--- SEND ----------->-------------> [Message: 2 of 12 ]
> >------------>------------>
>
> Date: 09-22-2021 Time: 08:27:16.00120
>
> SIP/2.0 183 Session Progress
> Via: SIP/2.0/TCP
> 50.50.50.182:5080;branch=z9hG4bK4e1.3a5eafdb0c6cb4f6b4fbaf7faface967.0
> From: 987654321 <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> To: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 11769 INVITE
> Contact: <sip:123456789 at 200.200.200.209:5060;transport=tcp>
> Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS
> Require: 100rel
> RSeq: 6618
> Content-Length: 242
> Content-Disposition: session; handling=required
> Content-Type: application/sdp
> v=0
> o=Sonus_UAC 21561 25962 IN IP4 200.200.200.209
> s=SIP Media Capabilities
> c=IN IP4 200.200.200.211
> t=0 0
> m=audio 27992 RTP/AVP 8 101
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=sendrecv
> a=maxptime:20
>
>
> <--- RECV -----------<-------------< [Message: 3 of 12 ]
> <------------<------------<
>
> Date: 09-22-2021 Time: 08:27:17.00047
>
> PRACK sip:123456789 at 200.200.200.209:5060;transport=tcp SIP/2.0
> Via: SIP/2.0/TCP
> 50.50.50.182:5080;branch=z9hG4bKdd1.b4a7f8fbbf8027cc1b0a457f9e5963f7.0
> Max-Forwards: 68
> From: "MyUserName" <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> To: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 11770 PRACK
> RAck: 6618 11769 INVITE
> Content-Length: 0
> Contact:
> <sip:btpsh-b6-614ae8ae-21085-1 at 50.50.50.182:5080;transport=tcp>
>
>
> >--- SEND ----------->-------------> [Message: 4 of 12 ]
> >------------>------------>
>
> Date: 09-22-2021 Time: 08:27:17.00050
>
> SIP/2.0 200 OK
> Via: SIP/2.0/TCP
> 50.50.50.182:5080;branch=z9hG4bKdd1.b4a7f8fbbf8027cc1b0a457f9e5963f7.0
> From: "MyUserName" <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> To: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 11770 PRACK
> Content-Length: 0
>
>
> >--- SEND ----------->-------------> [Message: 5 of 12 ]
> >------------>------------>
>
> Date: 09-22-2021 Time: 08:27:17.00053
>
> SIP/2.0 183 Session Progress
> Via: SIP/2.0/TCP
> 50.50.50.182:5080;branch=z9hG4bK4e1.3a5eafdb0c6cb4f6b4fbaf7faface967.0
> From: 987654321 <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> To: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 11769 INVITE
> Require: 100rel
> RSeq: 6619
> Contact: <sip:123456789 at 200.200.200.209:5060;transport=tcp>
> Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS
> Content-Length: 242
> Content-Disposition: session; handling=required
> Content-Type: application/sdp
> v=0
> o=Sonus_UAC 21561 25962 IN IP4 200.200.200.209
> s=SIP Media Capabilities
> c=IN IP4 200.200.200.211
> t=0 0
> m=audio 27992 RTP/AVP 8 101
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=sendrecv
> a=maxptime:20
>
>
> <--- RECV -----------<-------------< [Message: 6 of 12 ]
> <------------<------------<
>
> Date: 09-22-2021 Time: 08:27:17.00059
>
> PRACK sip:123456789 at 200.200.200.209:5060;transport=tcp SIP/2.0
> Via: SIP/2.0/TCP
> 50.50.50.182:5080;branch=z9hG4bKed1.fd8ecce909458a05324665afccdde954.0
> Max-Forwards: 68
> From: "MyUserName" <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> To: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 11771 PRACK
> RAck: 6619 11769 INVITE
> Content-Length: 0
> Contact:
> <sip:btpsh-b6-614ae8ae-21085-1 at 50.50.50.182:5080;transport=tcp>
>
>
> >--- SEND ----------->-------------> [Message: 7 of 12 ]
> >------------>------------>
>
> Date: 09-22-2021 Time: 08:27:17.00062
>
> SIP/2.0 200 OK
> Via: SIP/2.0/TCP
> 50.50.50.182:5080;branch=z9hG4bKed1.fd8ecce909458a05324665afccdde954.0
> From: "MyUserName" <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> To: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 11771 PRACK
> Content-Length: 0
>
>
> >--- SEND ----------->-------------> [Message: 8 of 12 ]
> >------------>------------>
>
> Date: 09-22-2021 Time: 08:27:20.00083
>
> SIP/2.0 200 OK
> Via: SIP/2.0/TCP
> 50.50.50.182:5080;branch=z9hG4bK4e1.3a5eafdb0c6cb4f6b4fbaf7faface967.0
> From: 987654321 <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> To: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 11769 INVITE
> Accept: application/sdp, application/isup, application/dtmf,
> application/dtmf-relay, multipart/mixed
> Contact: <sip:123456789 at 200.200.200.209:5060;transport=tcp>
> Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS
> P-Asserted-Identity: <sip:6932489919 at MOBILE.PROVIDER.COM
> <mailto:sip%3A6932489919 at MOBILE.PROVIDER.COM>;user=phone>
> Require: timer
> Supported: timer
> Session-Expires: 1800;refresher=uas
> Content-Length: 242
> Content-Disposition: session; handling=required
> Content-Type: application/sdp
> v=0
> o=Sonus_UAC 21561 25962 IN IP4 200.200.200.209
> s=SIP Media Capabilities
> c=IN IP4 200.200.200.211
> t=0 0
> m=audio 27992 RTP/AVP 8 101
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=sendrecv
> a=maxptime:20
>
>
> <--- RECV -----------<-------------< [Message: 9 of 12 ]
> <------------<------------<
>
> Date: 09-22-2021 Time: 08:27:20.00102
>
> ACK sip:123456789 at 200.200.200.209:5060;transport=tcp SIP/2.0
> Via: SIP/2.0/TCP
> 50.50.50.182:5080;branch=z9hG4bK4e1.d06307f54416ad3db79569f704d8658e.0
> Max-Forwards: 68
> From: "MyUserName" <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> To: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 11769 ACK
> Content-Length: 0
> Contact:
> <sip:btpsh-b6-614ae8ae-21085-1 at 50.50.50.182:5080;transport=tcp>
>
>
> >--- SEND ----------->-------------> [Message: 10 of 12 ]
> >------------>------------>
>
> Date: 09-22-2021 Time: 08:27:26.00061
>
> BYE sip:btpsh-b6-614ae8ae-21085-1 at 50.50.50.182:5080;transport=tcp
> SIP/2.0
> Via: SIP/2.0/TCP
> 200.200.200.209:5060;branch=z9hG4bK0dB7cb270586eb0337b
> From: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> To: "987654321" <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 9423 BYE
> Max-Forwards: 70
> Supported: 100rel
> Content-Length: 0
>
>
> >--- SEND ----------->-------------> [Message: 11 of 12 ]
> >------------>------------>
>
> Date: 09-22-2021 Time: 08:27:32.00010
>
> BYE sip:btpsh-b6-614ae8ae-21085-1 at 50.50.50.182:5080;transport=tcp
> SIP/2.0
> Via: SIP/2.0/TCP
> 200.200.200.209:5060;branch=z9hG4bK0dB7cb270586eb0337b
> From: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> To: "987654321" <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 9423 BYE
> Max-Forwards: 70
> Supported: 100rel
> Content-Length: 0
>
>
> <--- RECV -----------<-------------< [Message: 12 of 12 ]
> <------------<------------<
>
> Date: 09-22-2021 Time: 08:27:33.00021
>
> BYE sip:123456789 at 200.200.200.209:5060;transport=tcp SIP/2.0
> Via: SIP/2.0/TCP
> 50.50.50.182:5080;branch=z9hG4bKbd1.38c5755274f4163db0542d5ec9549053.0
> Max-Forwards: 68
> From: "MyUserName" <sip:987654321 at sip.mydomain.com
> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=b695280bab3644b78ac5e09a5dba5ac4
> To: <sip:123456789 at sip.mydomain.com
> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0df944e5
> Call-ID: d7ecb3b2408a466ea3074d1b48499bfa
> CSeq: 11772 BYE
> User-Agent: MicroSIP/3.20.5
> Content-Length: 0
> Contact:
> <sip:btpsh-b6-614ae8ae-21085-1 at 50.50.50.182:5080;transport=tcp>
>
> Kind regards,
> Angelo
>
> Στις Τετ, 22 Σεπ 2021 στις 9:12 π.μ., ο/η Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> έγραψε:
>
> Hello,
>
> On 21.09.21 16:55, Angelo Sipper wrote:
>> Hi Daniel,
>>
>> Thank you for your prompt response!
>>
>> I sent the wrong trace with the added transport=tcp test. Yes
>> we tried to add the transport=tcp on config to overcome this
>> issue but it was not resolved. I will contact the provider to
>> ask them to add the transport on their 183 and I believe it
>> will resolve the issue.
>> In case they cannot do this is there an alternative to bypass
>> this?
>
> you have the flexibility to set the transport to $du or $ru
> and then relay. Or look at tm module, there are functions that
> can enforce a specific transport layer. Solutions can be made
> in config, but the best would be that the provider fixes it,
> otherwise you have to make a more complex config file to
> figure out if you have to enforce the transport manually or
> not, assuming you route calls to other endpoints that set the
> proper transport value.
>
> Cheers,
> Daniel
>
>> As per now we have the save issue also on our ACK and BYE
>> replies we send to the provider which is logical.
>>
>> Kind regards,
>> Angelo
>>
>> Στις Τρί, 21 Σεπ 2021 στις 5:03 μ.μ., ο/η Daniel-Constantin
>> Mierla <miconda at gmail.com <mailto:miconda at gmail.com>> έγραψε:
>>
>> Hello,
>>
>> the contact of the 183 has no transport parameter, which
>> means it is the default one, respectively UDP. If the
>> Provider wants traffic over TCP, the contact has to be
>> with that transport parameter.
>>
>> I see that incoming PRACK has R-URI without transport
>> parameter, but the one to be forwarded has a malformed
>> version where transport=tcp is misplaced, probably due to
>> a wrong config operation. If you do it in kamailio.cfg,
>> you have to append ";transport=tcp" to $ru (whole r-uri),
>> not to $rU (only user part of r-uri).
>>
>> Cheers,
>> Daniel
>>
>> On 21.09.21 15:29, Angelo Sipper wrote:
>>> Correction
>>> UAC (OverTLS) ->(TLS)Kamailio1(UDP)->
>>> (UDP)Kamailio2(TCP)-> (TCP)Provider
>>>
>>> Στις Τρί, 21 Σεπ 2021 στις 4:28 μ.μ., ο/η Angelo Sipper
>>> <sippro97 at gmail.com <mailto:sippro97 at gmail.com>> έγραψε:
>>>
>>> Hello,
>>>
>>> We have the following setup and I am having trouble
>>> passing the PRACK with correct protocol to the provider.
>>>
>>> UAC (OverTLS) ->(UDP)Kamailio1 (UDP)->
>>> (UDP)Kamailio2 (TCP)-> (TCP)Provider
>>>
>>> UAC : 10.2.1.160 NATED to 100.100.100.61
>>> <http://50.50.50.50:5065/> (TLS)
>>> Kamailio1 Sockets: 50.50.50.210:5061
>>> <http://170.170.170.210:5061/> (TLS),50.50.50.210:5060
>>> <http://170.170.170.210:5060/> (UDP)
>>> Kamailio2 Sockets: 50.50.50.182:5060
>>> <http://170.170.170.170:5060/> (UDP)
>>> 50.50.50.182:5080 <http://170.170.170.170:5060/> (TCP)
>>> Provider: 200.200.200.209:5060
>>> <http://200.200.200.193:5060/> (TCP)
>>>
>>> We use dispatcher on Kamailio1 & Kamailio2
>>> The invite goes fine from UCA up to the provider and
>>> the provider responses arrive to UAC fine.
>>> The PRACK from UAC to kamailio1 goes fine to
>>> Kamaili02 but, Kamailio2 uses the UDP socket to send
>>> to the provider so the PRACK does not arrive to the
>>> provider and the call is canceled.
>>> If the provider is on UDP everything works fine.
>>>
>>> Below I have the trace. What should I look for in
>>> the config to resolve this wrong protocol/socket on
>>> the PRACK?
>>>
>>> Kamailio2 Details:
>>>
>>> Sockets
>>> ======
>>> listen=udp:50.50.50.182:5060 <http://50.50.50.182:5060>
>>> listen=tcp: 50.50.50.182:5080 <http://50.50.50.182:5080>
>>>
>>> On the rr module I have
>>> ==================
>>> modparam("rr", "enable_double_rr", 1)
>>> modparam("rr", "append_fromtag", 1)
>>> modparam("rr", "enable_full_lr", 1)
>>>
>>> CONFIG REQINIT & WITHINDLG PARTS
>>> ================================
>>> route[REQINIT] {
>>>
>>> set_reply_no_connect();
>>> force_rport();
>>>
>>> if (!mf_process_maxfwd_header("10")) {
>>> xlog("L_ERROR","Too Many Hops Rejecting!");
>>> sl_send_reply("483","Too Many Hops");
>>> exit;
>>> }
>>>
>>> if(is_method("OPTIONS") && uri==myself && $rU==$null) {
>>> sl_send_reply("200","Keepalive");
>>> exit;
>>> }
>>>
>>> if(!sanity_check("1511", "7")) {
>>> xlog("Malformed SIP message from $si:$sp sanity
>>> 1511\n");
>>> exit;
>>> }
>>>
>>> if(!sanity_check("17895", "7")) {
>>> xlog("Malformed SIP request from $si:$sp sanity
>>> 17895\n");
>>> exit;
>>> }
>>> }
>>>
>>> route[WITHINDLG] {
>>> if (!has_totag()) return;
>>>
>>> if (loose_route()) {
>>>
>>> if (is_method("BYE")) {
>>> rtpengine_query();
>>> rtpengine_delete();
>>> }
>>> route(RELAY_OUT);
>>> }
>>>
>>> if ( is_method("ACK") ) {
>>> #if (t_lookup_request()) {
>>> if (t_check_trans()) {
>>> route(RELAY_OUT);
>>> exit;
>>> } else {
>>> # ACK without matching transaction ... ignore and
>>> discard
>>> exit;
>>> }
>>> }
>>>
>>> sl_send_reply("404","Not Allowed");
>>> exit;
>>> }
>>>
>>> TRACE
>>> ======
>>> 50.50.50.210:5060
>>> <http://50.50.50.210:5060>
>>> 50.50.50.182:5060 <http://50.50.50.182:5060>
>>> 50.50.50.182:32818 <http://50.50.50.182:32818>
>>> 200.200.200.209:5060
>>> <http://200.200.200.209:5060>
>>> qqqqqqqqqqwqqqqqqq
>>> qqqqqqqqqqwqqqqqqq qqqqqqqqqqwqqqqqqqq
>>> qqqqqqqqqqqwqqqqqqqqq
>>> a 15:31:11.787490 x INVITE (SDP) x
>>> x
>>> x
>>> a +0.003099 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x
>>> x
>>> x
>>> a 15:31:11.790589 x 100 trying -- your call is x
>>> x
>>> x
>>> a +0.002220 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x
>>> x
>>> x
>>> a 15:31:11.792809 x x
>>> x INVITE (SDP)
>>> x
>>> a +0.020725 x x
>>> x
>>> qqqqqqqqqqqqqqqqqqqqqqqqqq> x
>>> a 15:31:11.813534 x x
>>> x 100 Trying
>>> x
>>> a +2.628884 x x
>>> x
>>> <qqqqqqqqqqqqqqqqqqqqqqqqqq x
>>> a 15:31:14.442418 x x
>>> x 183 Session Progress
>>> (SDP) x
>>> a +0.001572 x x
>>> x
>>> <qqqqqqqqqqqqqqqqqqqqqqqqqq x
>>> a 15:31:14.443990 x 183 Session Progress (SDP) x
>>> x
>>> x
>>> a +0.299221 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x
>>> x
>>> x
>>> a 15:31:14.743211 x PRACK x
>>> x
>>> x
>>> a +0.043114 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x
>>> x
>>> x
>>> a 15:31:14.786325 x x
>>> PRACK
>>> x
>>> a +0.448104 x x
>>> qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>
>>> x
>>> a 15:31:15.234429 x PRACK x
>>> x
>>> x
>>> a +0.045697 x qqqqqqqqqqqqqqqqqqqqqqqq>>> x
>>> x
>>> x
>>> a 15:31:15.280126 x x
>>> PRACK
>>> x
>>> a +0.954153 x x
>>> qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
>>> x
>>> a 15:31:16.234279 x PRACK x
>>> x
>>> x
>>> a +0.045832 x qqqqqqqqqqqqqqqqqqqqqqqq>>> x
>>> x
>>> x
>>> a 15:31:16.280111 x x
>>> PRACK
>>> x
>>> a +1.954170 x x
>>> qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
>>> x
>>> a 15:31:18.234281 x PRACK x
>>> x
>>> x
>>> a +0.045839 x qqqqqqqqqqqqqqqqqqqqqqqq>>> x
>>> x
>>> x
>>> a 15:31:18.280120 x x
>>> PRACK
>>> x
>>> a +1.829676 x x
>>> qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
>>> x
>>> a 15:31:20.109796 x x
>>> x 183 Session Progress
>>> (SDP) x
>>> a +0.001460 x x
>>> x
>>> <<<qqqqqqqqqqqqqqqqqqqqqqqq x
>>> a 15:31:20.111256 x 183 Session Progress (SDP) x
>>> x
>>> x
>>> a +2.123075 x <<<qqqqqqqqqqqqqqqqqqqqqqqq x
>>> x
>>> x
>>> a 15:31:22.234331 x PRACK x
>>> x
>>> x
>>> a +0.045825 x qqqqqqqqqqqqqqqqqqqqqqqq>>> x
>>> x
>>> x
>>> a 15:31:22.280156 x x
>>> PRACK
>>> x
>>> a +2.239640 x x
>>> qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
>>> x
>>> a 15:31:24.519796 x x
>>> x 486 Busy Here
>>> x
>>> a +0.000555 x x
>>> x
>>> <qqqqqqqqqqqqqqqqqqqqqqqqqq x
>>> a 15:31:24.520351 x x
>>> x ACK
>>> x
>>> a +0.008965 x x
>>> x
>>> qqqqqqqqqqqqqqqqqqqqqqqqqq> x
>>> a 15:31:24.529316 x 486 Busy Here x
>>> x
>>> x
>>> a +0.000835 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x
>>> x
>>> x
>>> a 15:31:24.530151 x ACK x
>>> x
>>> x
>>> a +1.704184 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x
>>> x
>>> x
>>> a 15:31:26.234335 x PRACK x
>>> x
>>> x
>>> a +0.045856 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x
>>> x
>>> x
>>> a 15:31:26.280191 x x
>>> PRACK
>>> x
>>> a +3.954734 x x
>>> qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
>>> x
>>> a 15:31:30.234925 x PRACK x
>>> x
>>> x
>>> x +0.045279 x qqqqqqqqqqqqqqqqqqqqqqqq>>> x
>>> x
>>> x
>>> x 15:31:30.280204 x x
>>> PRACK
>>> x
>>> x +3.954116 x x
>>> qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
>>> x
>>> x 15:31:34.234320 x PRACK x
>>> x
>>> x
>>>
>>>
>>> 2021/09/21 15:31:11.787490 50.50.50.210:5060
>>> <http://50.50.50.210:5060> -> 50.50.50.182:5060
>>> <http://50.50.50.182:5060>
>>> INVITE sip:123456789 at sip.mydomain.com:5060
>>> <http://sip:123456789@sip.mydomain.com:5060> SIP/2.0
>>> Record-Route:
>>> <sip:50.50.50.210;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes>
>>> Record-Route:
>>> <sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes>
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias
>>> Max-Forwards: 69
>>> From: 987654321 <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>
>>> Contact: "MyUserNAme"
>>> <sip:mycustomerid at 10.2.1.160:58568;transport=TLS;ob;alias=100.100.100.61~48572~3>
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14320 INVITE
>>> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE,
>>> INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS
>>> Supported: replaces, 100rel, timer, norefersub
>>> Session-Expires: 1800
>>> Min-SE: 90
>>> User-Agent: MicroSIP/3.20.5
>>> Content-Type: application/sdp
>>> Content-Length: 326
>>> P-Asserted-Identity: <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>
>>>
>>> v=0
>>> o=- 3841227071 3841227071 IN IP4 50.50.50.215
>>> s=pjmedia
>>> b=AS:84
>>> t=0 0
>>> a=X-nat:0
>>> m=audio 36448 RTP/AVP 8 0 101
>>> c=IN IP4 50.50.50.215
>>> b=TIAS:64000
>>> a=ssrc:2024148033 cname:4f2468fd611910fa
>>> a=rtpmap:8 PCMA/8000
>>> a=rtpmap:0 PCMU/8000
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-16
>>> a=sendrecv
>>> a=rtcp:36449
>>>
>>>
>>> 2021/09/21 15:31:11.790589 50.50.50.182:5060
>>> <http://50.50.50.182:5060> -> 50.50.50.210:5060
>>> <http://50.50.50.210:5060>
>>> SIP/2.0 100 trying -- your call is important to us
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3;rport=5060
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias
>>> From: 987654321 <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14320 INVITE
>>> Server: myserver
>>> Content-Length: 0
>>>
>>>
>>> 2021/09/21 15:31:11.792809 50.50.50.182:32818
>>> <http://50.50.50.182:32818> -> 200.200.200.209:5060
>>> <http://200.200.200.209:5060>
>>> INVITE sip:123456789 at sip.mydomain.com:5060
>>> <http://sip:123456789@sip.mydomain.com:5060> SIP/2.0
>>> Record-Route:
>>> <sip:50.50.50.182:5080;transport=tcp;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> Record-Route:
>>> <sip:50.50.50.182;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> Record-Route:
>>> <sip:50.50.50.210;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes>
>>> Record-Route:
>>> <sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes>
>>> Via: SIP/2.0/TCP
>>> 50.50.50.182:5080;branch=z9hG4bK37fe.254ecab744d678154779037580c59731.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias
>>> Max-Forwards: 68
>>> From: 987654321 <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>
>>> Contact: "MyUserNAme"
>>> <sip:mycustomerid at 10.2.1.160:58568;transport=TLS;ob;alias=100.100.100.61~48572~3>
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14320 INVITE
>>> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE,
>>> INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS
>>> Supported: replaces, 100rel, timer, norefersub
>>> Session-Expires: 1800
>>> Min-SE: 90
>>> Content-Type: application/sdp
>>> Content-Length: 326
>>> P-Asserted-Identity: <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>
>>>
>>> v=0
>>> o=- 3841227071 3841227071 IN IP4 50.50.50.183
>>> s=pjmedia
>>> b=AS:84
>>> t=0 0
>>> a=X-nat:0
>>> m=audio 29308 RTP/AVP 8 0 101
>>> c=IN IP4 50.50.50.183
>>> b=TIAS:64000
>>> a=ssrc:2024148033 cname:4f2468fd611910fa
>>> a=rtpmap:8 PCMA/8000
>>> a=rtpmap:0 PCMU/8000
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-16
>>> a=sendrecv
>>> a=rtcp:29309
>>>
>>>
>>> 2021/09/21 15:31:11.813534 200.200.200.209:5060
>>> <http://200.200.200.209:5060> -> 50.50.50.182:32818
>>> <http://50.50.50.182:32818>
>>> SIP/2.0 100 Trying
>>> Via: SIP/2.0/TCP
>>> 50.50.50.182:5080;branch=z9hG4bK37fe.254ecab744d678154779037580c59731.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias
>>> From: 987654321 <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0d8c9073
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14320 INVITE
>>> Content-Length: 0
>>>
>>>
>>> 2021/09/21 15:31:14.442418 200.200.200.209:5060
>>> <http://200.200.200.209:5060> -> 50.50.50.182:32818
>>> <http://50.50.50.182:32818>
>>> SIP/2.0 183 Session Progress
>>> Via: SIP/2.0/TCP
>>> 50.50.50.182:5080;branch=z9hG4bK37fe.254ecab744d678154779037580c59731.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias
>>> From: 987654321 <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0d8c9073
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14320 INVITE
>>> Record-Route:
>>> <sip:50.50.50.182:5080;transport=tcp;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> Record-Route:
>>> <sip:50.50.50.182:5060;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> Record-Route:
>>> <sip:50.50.50.210:5060;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes>
>>> Record-Route:
>>> <sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes>
>>> Contact: <sip:123456789 at 200.200.200.209:5060
>>> <http://sip:123456789@200.200.200.209:5060>>
>>> Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS
>>> Require: 100rel
>>> RSeq: 1509
>>> Content-Length: 241
>>> Content-Disposition: session; handling=required
>>> Content-Type: application/sdp
>>>
>>> v=0
>>> o=Sonus_UAC 12038 7929 IN IP4 200.200.200.209
>>> s=SIP Media Capabilities
>>> c=IN IP4 200.200.200.212
>>> t=0 0
>>> m=audio 17366 RTP/AVP 8 101
>>> a=rtpmap:8 PCMA/8000
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-15
>>> a=sendrecv
>>> a=maxptime:20
>>>
>>>
>>> 2021/09/21 15:31:14.443990 50.50.50.182:5060
>>> <http://50.50.50.182:5060> -> 50.50.50.210:5060
>>> <http://50.50.50.210:5060>
>>> SIP/2.0 183 Session Progress
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias
>>> From: 987654321 <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0d8c9073
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14320 INVITE
>>> Record-Route:
>>> <sip:50.50.50.182:5080;transport=tcp;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> Record-Route:
>>> <sip:50.50.50.182:5060;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> Record-Route:
>>> <sip:50.50.50.210:5060;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes>
>>> Record-Route:
>>> <sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes>
>>> Contact: <sip:123456789 at 200.200.200.209:5060
>>> <http://sip:123456789@200.200.200.209:5060>>
>>> Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS
>>> Require: 100rel
>>> RSeq: 1509
>>> Content-Length: 253
>>> Content-Disposition: session; handling=required
>>> Content-Type: application/sdp
>>>
>>> v=0
>>> o=Sonus_UAC 12038 7929 IN IP4 50.50.50.183
>>> s=SIP Media Capabilities
>>> c=IN IP4 50.50.50.183
>>> t=0 0
>>> m=audio 29320 RTP/AVP 8 101
>>> a=maxptime:20
>>> a=rtpmap:8 PCMA/8000
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-15
>>> a=sendrecv
>>> a=rtcp:29321
>>>
>>>
>>> 2021/09/21 15:31:14.743211 50.50.50.210:5060
>>> <http://50.50.50.210:5060> -> 50.50.50.182:5060
>>> <http://50.50.50.182:5060>
>>> PRACK sip:123456789 at 200.200.200.209:5060
>>> <http://sip:123456789@200.200.200.209:5060> SIP/2.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias
>>> Max-Forwards: 69
>>> From: "MyUserNAme" <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0d8c9073
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14321 PRACK
>>> Route:
>>> <sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> Route:
>>> <sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> RAck: 1509 14320 INVITE
>>> Content-Length: 0
>>>
>>>
>>> 2021/09/21 15:31:14.786325 50.50.50.182:5060
>>> <http://50.50.50.182:5060> -> 200.200.200.209:5060
>>> <http://200.200.200.209:5060>
>>> PRACK
>>> sip:123456789transport=tcp at 200.200.200.209:5060
>>> <http://tcp@200.200.200.209:5060> SIP/2.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.182;branch=z9hG4bK47fe.3406fe45bb75c3e955b6aa67e53aff58.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;rport=5060;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias
>>> Max-Forwards: 68
>>> From: "MyUserNAme" <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0d8c9073
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14321 PRACK
>>> RAck: 1509 14320 INVITE
>>> Content-Length: 0
>>>
>>>
>>> 2021/09/21 15:31:15.234429 50.50.50.210:5060
>>> <http://50.50.50.210:5060> -> 50.50.50.182:5060
>>> <http://50.50.50.182:5060>
>>> PRACK sip:123456789 at 200.200.200.209:5060
>>> <http://sip:123456789@200.200.200.209:5060> SIP/2.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias
>>> Max-Forwards: 69
>>> From: "MyUserNAme" <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0d8c9073
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14321 PRACK
>>> Route:
>>> <sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> Route:
>>> <sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> RAck: 1509 14320 INVITE
>>> Content-Length: 0
>>>
>>>
>>> 2021/09/21 15:31:15.280126 50.50.50.182:5060
>>> <http://50.50.50.182:5060> -> 200.200.200.209:5060
>>> <http://200.200.200.209:5060>
>>> PRACK
>>> sip:123456789transport=tcp at 200.200.200.209:5060
>>> <http://tcp@200.200.200.209:5060> SIP/2.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.182;branch=z9hG4bK47fe.3406fe45bb75c3e955b6aa67e53aff58.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;rport=5060;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias
>>> Max-Forwards: 68
>>> From: "MyUserNAme" <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0d8c9073
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14321 PRACK
>>> RAck: 1509 14320 INVITE
>>> Content-Length: 0
>>>
>>>
>>> 2021/09/21 15:31:16.234279 50.50.50.210:5060
>>> <http://50.50.50.210:5060> -> 50.50.50.182:5060
>>> <http://50.50.50.182:5060>
>>> PRACK sip:123456789 at 200.200.200.209:5060
>>> <http://sip:123456789@200.200.200.209:5060> SIP/2.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias
>>> Max-Forwards: 69
>>> From: "MyUserNAme" <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0d8c9073
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14321 PRACK
>>> Route:
>>> <sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> Route:
>>> <sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> RAck: 1509 14320 INVITE
>>> Content-Length: 0
>>>
>>>
>>> 2021/09/21 15:31:16.280111 50.50.50.182:5060
>>> <http://50.50.50.182:5060> -> 200.200.200.209:5060
>>> <http://200.200.200.209:5060>
>>> PRACK
>>> sip:123456789transport=tcp at 200.200.200.209:5060
>>> <http://tcp@200.200.200.209:5060> SIP/2.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.182;branch=z9hG4bK47fe.3406fe45bb75c3e955b6aa67e53aff58.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;rport=5060;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias
>>> Max-Forwards: 68
>>> From: "MyUserNAme" <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0d8c9073
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14321 PRACK
>>> RAck: 1509 14320 INVITE
>>> Content-Length: 0
>>>
>>>
>>> 2021/09/21 15:31:18.234281 50.50.50.210:5060
>>> <http://50.50.50.210:5060> -> 50.50.50.182:5060
>>> <http://50.50.50.182:5060>
>>> PRACK sip:123456789 at 200.200.200.209:5060
>>> <http://sip:123456789@200.200.200.209:5060> SIP/2.0
>>> Via: SIP/2.0/UDP
>>> 50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3
>>> Via: SIP/2.0/TLS
>>> 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias
>>> Max-Forwards: 69
>>> From: "MyUserNAme" <sip:987654321 at sip.mydomain.com
>>> <mailto:sip%3A987654321 at sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d
>>> To: <sip:123456789 at sip.mydomain.com
>>> <mailto:sip%3A123456789 at sip.mydomain.com>>;tag=gK0d8c9073
>>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b
>>> CSeq: 14321 PRACK
>>> Route:
>>> <sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> Route:
>>> <sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1>
>>> RAck: 1509 14320 INVITE
>>> Content-Length: 0
>>>
>>> Any help will be much appreciated.
>>>
>>> Kind regards,
>>> Angelo
>>>
>>>
>>> __________________________________________________________
>>> Kamailio - Users Mailing List - Non Commercial Discussions
>>> * sr-users at lists.kamailio.org <mailto:sr-users at lists.kamailio.org>
>>> Important: keep the mailing list in the recipients, do not reply only to the sender!
>>> Edit mailing list options or unsubscribe:
>>> * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users <https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users>
>>
>> --
>> Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
>> www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>> Kamailio Advanced Training - Online
>> Nov 08-11, 2021 (Europe Timezone) - Nov 22-25, 2021 (America Timezone)
>> * https://www.asipto.com/sw/kamailio-advanced-training-online/ <https://www.asipto.com/sw/kamailio-advanced-training-online/>
>>
> --
> Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
> www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
> Kamailio Advanced Training - Online
> Nov 08-11, 2021 (Europe Timezone) - Nov 22-25, 2021 (America Timezone)
> * https://www.asipto.com/sw/kamailio-advanced-training-online/ <https://www.asipto.com/sw/kamailio-advanced-training-online/>
>
--
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - Online
Nov 08-11, 2021 (Europe Timezone) - Nov 22-25, 2021 (America Timezone)
* https://www.asipto.com/sw/kamailio-advanced-training-online/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kamailio.org/pipermail/sr-users/attachments/20210924/ff7f58c0/attachment.htm>
More information about the sr-users
mailing list