... and notifications

On Thu, 29 Jul 2021 at 09:51, Alberto <alberto.rina...@gmail.com> wrote:

> he, here's a new call
>
> On Wed, 28 Jul 2021 at 23:26, Adrian Georgescu <a...@ag-projects.com> wrote:
>
>> The 200 OK is not correctly handed. Can you enable both notifications and
>> pjsip traces as well
>>
>> On 28 Jul 2021, at 19:00, Alberto <alberto.rina...@gmail.com> wrote:
>>
>> Hi,
>> I mentioned I'm reproducing this on my own asterisk vm,
>> I happen to have the cli open and noticed this error when blink cores
>>
>> [Jul 28 22:39:43] WARNING[24030]: pjproject: <?>:     tsx0x7f7e5c315d48
>> .Error sending Response msg 200/INVITE/cseq=19985 (tdta0x7f7e50010d68):
>> Invalid operation (PJ_EINVALIDOP)
>>
>>
>>
>> On Wed, 28 Jul 2021 at 22:54, Alberto <alberto.rina...@gmail.com> wrote:
>>
>>> attached, thanks for looking into this.
>>>
>>> On Wed, 28 Jul 2021 at 22:01, Adrian Georgescu <a...@ag-projects.com>
>>> wrote:
>>>
>>>> Can you show the sip trace. Enable SIP trace file logging.
>>>>
>>>> Adrian
>>>>
>>>>
>>>>
>>>> On 28 Jul 2021, at 17:57, Alberto <alberto.rina...@gmail.com> wrote:
>>>>
>>>> I have python3-sipsimple 5.2.5buster  amd64
>>>>
>>>> On Wed, 28 Jul 2021 at 17:57, Adrian Georgescu <a...@ag-projects.com>
>>>> wrote:
>>>>
>>>>> What version of python3-sipsimple are you running?
>>>>>
>>>>> dpkg -l python3-sipsimple
>>>>>
>>>>> On 28 Jul 2021, at 13:50, Alberto <alberto.rina...@gmail.com> wrote:
>>>>>
>>>>> I could do that, at least now we know that the "Unsupported Protocol"
>>>>> is about.
>>>>>
>>>>> But now I have another problem, I tried to make a call using tls 1.2
>>>>> and sdes.
>>>>> Blink established the call, I got less than half a second of audio,
>>>>> then cored.
>>>>>
>>>>> I followed this for crash reports:
>>>>> https://icanblink.com/help/problems-qt/
>>>>> but I don't see anything useful here. Any advice?
>>>>>
>>>>> $ gdb -c core blink
>>>>> GNU gdb (Ubuntu 9.2-0ubuntu1~20.04) 9.2
>>>>> Copyright (C) 2020 Free Software Foundation, Inc.
>>>>> License GPLv3+: GNU GPL version 3 or later <
>>>>> http://gnu.org/licenses/gpl.html>
>>>>> This is free software: you are free to change and redistribute it.
>>>>> There is NO WARRANTY, to the extent permitted by law.
>>>>> Type "show copying" and "show warranty" for details.
>>>>> This GDB was configured as "x86_64-linux-gnu".
>>>>> Type "show configuration" for configuration details.
>>>>> For bug reporting instructions, please see:
>>>>> <http://www.gnu.org/software/gdb/bugs/>.
>>>>> Find the GDB manual and other documentation resources online at:
>>>>>     <http://www.gnu.org/software/gdb/documentation/>.
>>>>>
>>>>> For help, type "help".
>>>>> Type "apropos word" to search for commands related to "word"...
>>>>> "/usr/bin/blink": not in executable format: file format not recognized
>>>>> [New LWP 3893]
>>>>> [New LWP 3887]
>>>>> [New LWP 3905]
>>>>> [New LWP 3910]
>>>>> [New LWP 3914]
>>>>> [New LWP 3883]
>>>>> [New LWP 3885]
>>>>> [New LWP 3891]
>>>>> [New LWP 3917]
>>>>> [New LWP 3901]
>>>>> [New LWP 3884]
>>>>> [New LWP 3886]
>>>>> [New LWP 3889]
>>>>> [New LWP 3890]
>>>>> [New LWP 3912]
>>>>> [New LWP 3902]
>>>>> [New LWP 3913]
>>>>> [New LWP 3881]
>>>>> [New LWP 3915]
>>>>> [New LWP 3916]
>>>>> Core was generated by `/usr/bin/python3 /usr/bin/blink'.
>>>>> Program terminated with signal SIGSEGV, Segmentation fault.
>>>>> #0  0x00007f945cf6a955 in ?? ()
>>>>> [Current thread is 1 (LWP 3893)]
>>>>> (gdb)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Wed, 28 Jul 2021 at 17:43, <bl...@neilzone.co.uk> wrote:
>>>>>
>>>>>>
>>>>>>
>>>>>> On 28 Jul 2021, at 17:24, Alberto <alberto.rina...@gmail.com> wrote:
>>>>>>
>>>>>> the problem is that the server only accepts tls 1 and
>>>>>>
>>>>>>
>>>>>> i thought TLS 1.0 and TLS 1.1 had been deprecated?
>>>>>>
>>>>>> If you had to make it work, could you use asterisk to connect to the
>>>>>> SIP provider, and then use Blink to connect to asterisk? (In other worse,
>>>>>> running your own PBX until the SIP trunk provider upgrades their security
>>>>>> to something more modern.)
>>>>>>
>>>>>> Best wishes
>>>>>>
>>>>>> Neil
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Blink mailing list
>>>>>> Blink@lists.ag-projects.com
>>>>>> https://lists.ag-projects.com/mailman/listinfo/blink
>>>>>>
>>>>> _______________________________________________
>>>>> Blink mailing list
>>>>> Blink@lists.ag-projects.com
>>>>> https://lists.ag-projects.com/mailman/listinfo/blink
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Blink mailing list
>>>>> Blink@lists.ag-projects.com
>>>>> https://lists.ag-projects.com/mailman/listinfo/blink
>>>>>
>>>> _______________________________________________
>>>> Blink mailing list
>>>> Blink@lists.ag-projects.com
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>>>>
>>>>
>>>> _______________________________________________
>>>> Blink mailing list
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>>>>
>>> _______________________________________________
>> Blink mailing list
>> Blink@lists.ag-projects.com
>> https://lists.ag-projects.com/mailman/listinfo/blink
>>
>>
>> _______________________________________________
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>>
>
2021-07-29 09:43:34.872013 [blink 1605]: Notification 
name=BlinkSessionWasCreated sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData()
2021-07-29 09:43:34.876319 [blink 1605]: Notification 
name=BlinkSessionDidChangeState sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(old_state=None, new_state='initialized')
2021-07-29 09:43:34.916001 [blink 1605]: Notification 
name=BlinkSessionNewOutgoing sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData()
2021-07-29 09:43:34.916127 [blink 1605]: Notification 
name=BlinkSessionListSelectionChanged 
sender=<blink.sessions.ChatSessionListView object at 0x7fda5d0998b0> 
data=NotificationData(selected_session=<blink.sessions.BlinkSession object at 
0x7fda5d202a00>, deselected_session=None)
2021-07-29 09:43:34.916201 [blink 1605]: Notification 
name=BlinkSessionInfoUpdated sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(elements={'media', 'session', 
'statistics'})
2021-07-29 09:43:34.929546 [blink 1605]: Notification 
name=BlinkSessionDidChangeState sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(old_state='initialized', 
new_state='connecting/dns_lookup')
2021-07-29 09:43:34.929682 [blink 1605]: Notification 
name=BlinkSessionWillConnect sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(sibling=None)
2021-07-29 09:43:34.957321 [blink 1605]: Notification 
name=ChatSessionItemDidChange 
sender=ChatSessionItem(<blink.sessions.BlinkSession object at 0x7fda5d202a00>) 
data=NotificationData()
2021-07-29 09:43:34.957495 [blink 1605]: Notification 
name=BlinkSessionListSelectionChanged 
sender=<blink.sessions.AudioSessionListView object at 0x7fda5d25fa60> 
data=NotificationData(selected_session=<blink.sessions.BlinkSession object at 
0x7fda5d202a00>, deselected_session=None)
2021-07-29 09:43:34.957611 [blink 1605]: Notification 
name=BlinkActiveSessionDidChange sender=<blink.sessions.SessionManager object 
at 0x7fda5d08cd00> data=NotificationData(previous_active_session=None, 
active_session=<blink.sessions.BlinkSession object at 0x7fda5d202a00>)
2021-07-29 09:43:34.957718 [blink 1605]: Notification 
name=BlinkSessionConnectionProgress sender=<blink.sessions.BlinkSession object 
at 0x7fda5d202a00> data=NotificationData(stage='dns_lookup')
2021-07-29 09:43:34.959011 [blink 1605]: Notification name=DNSLookupTrace 
sender=<sipsimple.lookup.DNSLookup object at 0x7fda5cb5d760> 
data=NotificationData(query_type='A', query_name='sip.provider.net', 
nameservers=['127.0.0.53'], answer=<dns.resolver.Answer object at 
0x7fda5d2194f0>, error=None, context='lookup_sip_proxy', 
uri=SIPURI(b'sip.provider.net', None, None, 5061, False, {'transport': 'tls'}, 
{}))
2021-07-29 09:43:34.959172 [blink 1605]: Notification name=DNSLookupDidSucceed 
sender=<sipsimple.lookup.DNSLookup object at 0x7fda5cb5d760> 
data=NotificationData(result=[Route('217.75.85.122', port=5061, 
transport='tls', tls_name='provider.net')])
2021-07-29 09:43:34.969038 [blink 1605]: Notification 
name=BlinkSessionDidChangeState sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(old_state='connecting/dns_lookup', 
new_state='connection/dns_lookup_succeeded')
2021-07-29 09:43:34.969848 [blink 1605]: Notification 
name=SIPSessionNewOutgoing sender=<sipsimple.session.Session object at 
0x7fda5cb5da60> 
data=NotificationData(streams=[<sipsimple.streams.rtp.audio.AudioStream object 
at 0x7fda5cb1cdf0>])
2021-07-29 09:43:34.976833 [blink 1605]: Notification 
name=BlinkSessionDidChangeState sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> 
data=NotificationData(old_state='connection/dns_lookup_succeeded', 
new_state='connecting')
2021-07-29 09:43:34.978441 [blink 1605]: Notification 
name=BlinkSessionConnectionProgress sender=<blink.sessions.BlinkSession object 
at 0x7fda5d202a00> data=NotificationData(stage='connecting')
2021-07-29 09:43:34.978538 [blink 1605]: Notification 
name=BlinkSessionInfoUpdated sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(elements={'session'})
2021-07-29 09:43:35.076259 [blink 1605]: Notification 
name=RTPTransportDidInitialize sender=<sipsimple.core._core.RTPTransport object 
at 0x7fda5cb55d30> data=NotificationData()
2021-07-29 09:43:35.078364 [blink 1605]: Notification 
name=MediaStreamDidInitialize sender=<sipsimple.streams.rtp.audio.AudioStream 
object at 0x7fda5cb1cdf0> data=NotificationData()
2021-07-29 09:43:35.103800 [blink 1605]: Notification 
name=SIPInvitationChangedState sender=<sipsimple.core._core.Invitation object 
at 0x7fda5cb4ea60> data=NotificationData(prev_state=None, state='outgoing', 
originator='local', headers={'Via': [FrozenViaHeader('TLS', '192.168.0.15', 
39103, frozendict({'alias': None, 'rport': 0, 'branch': 
'z9hG4bKPj5ee4ce8a-f049-11eb-a63e-bfc50dd0085e'}))], 'Max-Forwards': 70, 
'From': FrozenFromHeader(FrozenSIPURI('sip.provider.net', '1000', None, None, 
False, frozendict({}), frozendict({})), '1000', frozendict({'tag': 
'5ee2b35c-f049-11eb-b853-2797e780240f'})), 'To': 
FrozenToHeader(FrozenSIPURI('sip.provider.net', '0', None, None, False, 
frozendict({}), frozendict({})), None, frozendict({})), 'Contact': 
[FrozenContactHeader(FrozenSIPURI('192.168.0.15', '69018234', None, 36787, 
False, frozendict({'transport': 'tls'}), frozendict({})), None, 
frozendict({'q': '0.0', 'expires': '-1'}))], 'Call-ID': FrozenHeader('Call-ID', 
'5ee88c82-f049-11eb-b75b-b7233f2233c8'), 'CSeq': (30187, 'INVITE'), 'Route': 
[FrozenRouteHeader(FrozenSIPURI('217.75.85.122', None, None, None, False, 
frozendict({'transport': 'tls', 'lr': None, 'hide': None, 'tls_name': 
'provider.net'}), frozendict({})), None, frozendict({}))], 'Allow': 
[b'SUBSCRIBE', b'NOTIFY', b'INVITE', b'ACK', b'BYE', b'CANCEL', b'UPDATE', 
b'MESSAGE', b'REFER'], 'Supported': [b'replaces', b'norefersub', b'gruu'], 
'User-Agent': FrozenHeader('User-Agent', 'Blink 5.1.3 (Linux)')}, 
body=b'v=0\r\no=- 3836537015 3836537015 IN IP4 192.168.0.15\r\ns=Blink 5.1.3 
(Linux)\r\nt=0 0\r\nm=audio 50000 RTP/SAVP 3 8 101\r\nc=IN IP4 
192.168.0.15\r\na=rtcp:50001\r\na=rtpmap:3 GSM/8000\r\na=rtpmap:8 
PCMA/8000\r\na=rtpmap:101 telephone-event/8000\r\na=fmtp:101 0-16\r\na=crypto:1 
AES_CM_128_HMAC_SHA1_80 
inline:C/pTxqoCx7Fc0u15ONE//qyX2gGBhtE6DXqumAjI\r\na=crypto:2 
AES_CM_128_HMAC_SHA1_32 
inline:WHJ2g5md9gZAoolFZcXwvFTub/rp+DdhpsZILb9o\r\na=sendrecv\r\n', 
method='INVITE', request_uri=FrozenSIPURI('sip.provider.net', '0', None, None, 
False, frozendict({}), frozendict({})))
2021-07-29 09:43:35.209739 [blink 1605]: Notification 
name=SIPInvitationChangedState sender=<sipsimple.core._core.Invitation object 
at 0x7fda5cb4ea60> data=NotificationData(prev_state='outgoing', 
state='connecting', originator='remote', headers={'Via': 
[FrozenViaHeader('TLS', '192.168.0.15', 39103, frozendict({'alias': None, 
'rport': 48824, 'received': '172.0.0.13', 'branch': 
'z9hG4bKPj5eea923e-f049-11eb-bbe1-fff7adcb7972'}))], 'Call-ID': 
FrozenHeader('Call-ID', '5ee88c82-f049-11eb-b75b-b7233f2233c8'), 'From': 
FrozenFromHeader(FrozenSIPURI('sip.provider.net', '1000', None, None, False, 
frozendict({}), frozendict({})), '1000', frozendict({'tag': 
'5ee2b35c-f049-11eb-b853-2797e780240f'})), 'To': 
FrozenToHeader(FrozenSIPURI('sip.provider.net', '0', None, None, False, 
frozendict({}), frozendict({})), None, frozendict({'tag': 
'5ee08ffa-f049-11eb-892b-d3e19dc6cb17'})), 'CSeq': (30188, 'INVITE'), 'Server': 
FrozenHeader('Server', '1000PBX'), 'Contact': 
[FrozenContactHeader(FrozenSIPURI('172.0.0.217', None, None, 5061, False, 
frozendict({'transport': 'TLS'}), frozendict({})), None, frozendict({'q': 
'0.0', 'expires': '-1'}))], 'Allow': [b'OPTIONS', b'REGISTER', b'SUBSCRIBE', 
b'NOTIFY', b'PUBLISH', b'INVITE', b'ACK', b'BYE', b'CANCEL', b'UPDATE', 
b'PRACK', b'MESSAGE', b'REFER'], 'Supported': [b'100rel', b'timer', 
b'replaces', b'norefersub'], 'Content-Type': 
FrozenContentTypeHeader('application/sdp', frozendict({})), 'Content-Length': 
345}, body=b'v=0\r\no=- 3836537015 3836537017 IN IP4 
172.0.0.217\r\ns=Asterisk\r\nc=IN IP4 172.0.0.217\r\nt=0 0\r\nm=audio 12994 
RTP/SAVP 3 8 101\r\na=crypto:1 AES_CM_128_HMAC_SHA1_80 
inline:d0tUarUhywLuXqG5CU3SR8TijgF2/ril8GDE7vOq\r\na=rtpmap:3 
GSM/8000\r\na=rtpmap:8 PCMA/8000\r\na=rtpmap:101 
telephone-event/8000\r\na=fmtp:101 
0-16\r\na=ptime:20\r\na=maxptime:150\r\na=sendrecv\r\n', code=200, reason='OK')
2021-07-29 09:43:35.210029 [blink 1605]: Notification 
name=SIPInvitationGotSDPUpdate sender=<sipsimple.core._core.Invitation object 
at 0x7fda5cb4ea60> data=NotificationData(succeeded=True, 
local_sdp=FrozenSDPSession(b'192.168.0.15', 3836537015, 3836537015, b'-', 
b'IN', b'IP4', b'Blink 5.1.3 (Linux)', None, 0, 0, frozenlist([]), 
frozenlist([]), frozenlist([FrozenSDPMediaStream(b'audio', 50000, b'RTP/SAVP', 
1, frozenlist([b'3', b'8', b'101']), FrozenSDPConnection(b'192.168.0.15', 
b'IN', b'IP4'), frozenlist([FrozenSDPAttribute(b'rtcp', b'50001'), 
FrozenSDPAttribute(b'rtpmap', b'3 GSM/8000'), FrozenSDPAttribute(b'rtpmap', b'8 
PCMA/8000'), FrozenSDPAttribute(b'rtpmap', b'101 telephone-event/8000'), 
FrozenSDPAttribute(b'fmtp', b'101 0-16'), FrozenSDPAttribute(b'crypto', b'1 
AES_CM_128_HMAC_SHA1_80 inline:C/pTxqoCx7Fc0u15ONE//qyX2gGBhtE6DXqumAjI'), 
FrozenSDPAttribute(b'crypto', b'2 AES_CM_128_HMAC_SHA1_32 
inline:WHJ2g5md9gZAoolFZcXwvFTub/rp+DdhpsZILb9o'), 
FrozenSDPAttribute(b'sendrecv', b'')]), frozenlist([]))])), 
remote_sdp=FrozenSDPSession(b'172.0.0.217', 3836537015, 3836537017, b'-', 
b'IN', b'IP4', b'Asterisk', FrozenSDPConnection(b'172.0.0.217', b'IN', b'IP4'), 
0, 0, frozenlist([]), frozenlist([]), 
frozenlist([FrozenSDPMediaStream(b'audio', 12994, b'RTP/SAVP', 0, 
frozenlist([b'3', b'8', b'101']), None, 
frozenlist([FrozenSDPAttribute(b'crypto', b'1 AES_CM_128_HMAC_SHA1_80 
inline:d0tUarUhywLuXqG5CU3SR8TijgF2/ril8GDE7vOq'), 
FrozenSDPAttribute(b'rtpmap', b'3 GSM/8000'), FrozenSDPAttribute(b'rtpmap', b'8 
PCMA/8000'), FrozenSDPAttribute(b'rtpmap', b'101 telephone-event/8000'), 
FrozenSDPAttribute(b'fmtp', b'101 0-16'), FrozenSDPAttribute(b'ptime', b'20'), 
FrozenSDPAttribute(b'maxptime', b'150'), FrozenSDPAttribute(b'sendrecv', 
b'')]), frozenlist([]))])))
2021-07-29 09:43:35.210166 [blink 1605]: Notification 
name=SIPInvitationChangedState sender=<sipsimple.core._core.Invitation object 
at 0x7fda5cb4ea60> data=NotificationData(prev_state='connecting', 
state='connected', sub_state='normal', originator=None, headers={}, body=None)
2021-07-29 09:43:35.210288 [blink 1605]: Notification name=SIPSessionWillStart 
sender=<sipsimple.session.Session object at 0x7fda5cb5da60> 
data=NotificationData()
2021-07-29 09:43:35.210411 [blink 1605]: Notification 
name=BlinkSessionDidChangeState sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(old_state='connecting', 
new_state='connecting/starting')
2021-07-29 09:43:35.210532 [blink 1605]: Notification 
name=BlinkSessionConnectionProgress sender=<blink.sessions.BlinkSession object 
at 0x7fda5d202a00> data=NotificationData(stage='starting')
2021-07-29 09:43:35.210664 [blink 1605]: Notification 
name=BlinkSessionInfoUpdated sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(elements={'media', 'session'})
2021-07-29 09:43:35.210775 [blink 1605]: Notification name=MediaStreamDidStart 
sender=<sipsimple.streams.rtp.audio.AudioStream object at 0x7fda5cb1cdf0> 
data=NotificationData()
2021-07-29 09:43:35.210894 [blink 1605]: Notification 
name=RTPStreamDidEnableEncryption 
sender=<sipsimple.streams.rtp.audio.AudioStream object at 0x7fda5cb1cdf0> 
data=NotificationData()
2021-07-29 09:43:35.211016 [blink 1605]: Notification 
name=SIPSessionDidProcessTransaction sender=<sipsimple.session.Session object 
at 0x7fda5cb5da60> data=NotificationData(originator='local', method='INVITE', 
code=200, reason='OK')
2021-07-29 09:43:35.211143 [blink 1605]: Notification name=SIPSessionDidStart 
sender=<sipsimple.session.Session object at 0x7fda5cb5da60> 
data=NotificationData(streams=[<sipsimple.streams.rtp.audio.AudioStream object 
at 0x7fda5cb1cdf0>])
2021-07-29 09:43:35.218690 [blink 1605]: Notification 
name=BlinkSessionInfoUpdated sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(elements={'media'})
2021-07-29 09:43:35.218791 [blink 1605]: Notification 
name=BlinkSessionDidChangeState sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(old_state='connecting/starting', 
new_state='connected')
2021-07-29 09:43:35.220615 [blink 1605]: Notification 
name=BlinkSessionDidConnect sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData()
2021-07-29 09:43:35.220704 [blink 1605]: Notification 
name=ChatSessionItemDidChange 
sender=ChatSessionItem(<blink.sessions.BlinkSession object at 0x7fda5d202a00>) 
data=NotificationData()
2021-07-29 09:43:35.220770 [blink 1605]: Notification 
name=BlinkSessionInfoUpdated sender=<blink.sessions.BlinkSession object at 
0x7fda5d202a00> data=NotificationData(elements={'media', 'session'})
2021-07-29 09:43:35.277412 [blink 1605]: Notification 
name=SIPEngineTransportDidDisconnect sender=<Engine(Thread-1, started daemon 
140575445600000)> data=NotificationData(transport='tls', 
local_address='192.168.0.15:36705', remote_address='172.0.0.217:5061', 
reason='Operation cancelled (PJ_ECANCELLED)')
2021-07-29 09:43:35.277598 [blink 1605]: Notification 
name=SIPEngineTransportDidDisconnect sender=<Engine(Thread-1, started daemon 
140575445600000)> data=NotificationData(transport='tls', 
local_address='192.168.0.15:36705', remote_address='172.0.0.217:5061', 
reason='SSL certificate verification error (PJSIP_TLS_ECERTVERIF)')
2021-07-29 09:43:35.380773 [blink 1605]: Notification 
name=SIPEngineTransportDidDisconnect sender=<Engine(Thread-1, started daemon 
140575445600000)> data=NotificationData(transport='tls', 
local_address='192.168.0.15:36705', remote_address='172.0.0.217:5061', 
reason='Success')
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