INVITE sip:600@172.20.20.1:5567 SIP/2.0
Via: SIP/2.0/UDP 172.20.20.16:5062;branch=z9hG4bK1779616119;rport
Route: <sip:172.20.20.1:5567;lr>
From: "David" <sip:10@172.20.20.1:5567>;tag=1931648376
To: <sip:600@172.20.20.1:5567>
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
CSeq: 160 INVITE
Contact: "David" <sip:10@172.20.20.16:5062>
Max-Forwards: 70
User-Agent: Grandstream GXV3140 1.0.7.80
Privacy: none
P-Preferred-Identity: "David" <sip:10@172.20.20.1:5567>
Supported: replaces, path, timer, eventlist
Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
Content-Type: application/sdp
Accept: application/sdp, application/dtmf-relay
Content-Length:   471

v=0
o=10 8001 8000 IN IP4 172.20.20.16
s=SIP Call
c=IN IP4 172.20.20.16
t=0 0
m=audio 31514 RTP/AVP 118 9 0 8 101
a=sendrecv
a=rtpmap:118 L16/16000
a=ptime:10
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
m=video 31516 RTP/AVP 99
b=AS:320
a=sendrecv
a=rtpmap:99 H264/90000
a=fmtp:99 profile-level-id=428014; packetization-mode=0; sprop-parameter-sets=Z0KADJWgUH5A,aM4Ecg==; max-br=320
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 172.20.20.16:5062;rport=5062;received=172.20.20.16;branch=z9hG4bK1779616119
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
From: "David" <sip:10@172.20.20.1>;tag=1931648376
To: <sip:600@172.20.20.1>;tag=z9hG4bK1779616119
CSeq: 160 INVITE
WWW-Authenticate: Digest realm="stech.muecke.pw",nonce=<censored>,opaque="4d0cdcf2581a7560",algorithm=md5,qop="auth"
Server: Asterisk PBX 16.1.1
Content-Length:  0

ACK sip:600@172.20.20.1:5567 SIP/2.0
Via: SIP/2.0/UDP 172.20.20.16:5062;branch=z9hG4bK1779616119;rport
Route: <sip:172.20.20.1:5567;lr>
From: "David" <sip:10@172.20.20.1>;tag=1931648376
To: <sip:600@172.20.20.1>;tag=z9hG4bK1779616119
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
CSeq: 160 ACK
Content-Length: 0

INVITE sip:600@172.20.20.1:5567 SIP/2.0
Via: SIP/2.0/UDP 172.20.20.16:5062;branch=z9hG4bK1131723021;rport
Route: <sip:172.20.20.1:5567;lr>
From: "David" <sip:10@172.20.20.1:5567>;tag=1931648376
To: <sip:600@172.20.20.1:5567>
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
CSeq: 161 INVITE
Contact: "David" <sip:10@172.20.20.16:5062>
Authorization: Digest username="10", realm="stech.muecke.pw", nonce=<censored>, uri="sip:600@172.20.20.1:5567", response=<censored>, algorithm=md5, cnonce="14821990", opaque="4d0cdcf2581a7560", qop=auth, nc=00000001
Max-Forwards: 70
User-Agent: Grandstream GXV3140 1.0.7.80
Privacy: none
P-Preferred-Identity: "David" <sip:10@172.20.20.1:5567>
Supported: replaces, path, timer, eventlist
Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
Content-Type: application/sdp
Accept: application/sdp, application/dtmf-relay
Content-Length:   471

v=0
o=10 8001 8000 IN IP4 172.20.20.16
s=SIP Call
c=IN IP4 172.20.20.16
t=0 0
m=audio 31514 RTP/AVP 118 9 0 8 101
a=sendrecv
a=rtpmap:118 L16/16000
a=ptime:10
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
m=video 31516 RTP/AVP 99
b=AS:320
a=sendrecv
a=rtpmap:99 H264/90000
a=fmtp:99 profile-level-id=428014; packetization-mode=0; sprop-parameter-sets=Z0KADJWgUH5A,aM4Ecg==; max-br=320
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 172.20.20.16:5062;rport=5062;received=172.20.20.16;branch=z9hG4bK1131723021
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
From: "David" <sip:10@172.20.20.1>;tag=1931648376
To: <sip:600@172.20.20.1>
CSeq: 161 INVITE
Server: Asterisk PBX 16.1.1
Content-Length:  0

SIP/2.0 200 OK
Via: SIP/2.0/UDP 172.20.20.16:5062;rport=5062;received=172.20.20.16;branch=z9hG4bK1131723021
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
From: "David" <sip:10@172.20.20.1>;tag=1931648376
To: <sip:600@172.20.20.1>;tag=e36ec2bc-b05d-40a7-b017-35e591faa94e
CSeq: 161 INVITE
Server: Asterisk PBX 16.1.1
Contact: <sip:172.20.20.1:5567>
Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, MESSAGE, REFER
Supported: 100rel, timer, replaces, norefersub
Content-Type: application/sdp
Content-Length:   446

v=0
o=- 8001 8002 IN IP4 172.20.20.1
s=Asterisk
c=IN IP4 172.20.20.1
t=0 0
m=audio 20282 RTP/AVP 118 9 8 101
a=rtpmap:118 L16/16000
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=maxptime:70
a=sendrecv
m=video 20300 RTP/AVP 99
a=rtpmap:99 H264/90000
a=fmtp:99 max-br=320;packetization-mode=0;profile-level-id=428014;sprop-parameter-sets=Z0KADJWgUH5A,aM4Ecg==
a=sendrecv
ACK sip:172.20.20.1:5567 SIP/2.0
Via: SIP/2.0/UDP 172.20.20.16:5062;branch=z9hG4bK1591949837;rport
From: "David" <sip:10@172.20.20.1>;tag=1931648376
To: <sip:600@172.20.20.1>;tag=e36ec2bc-b05d-40a7-b017-35e591faa94e
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
CSeq: 161 ACK
Contact: <sip:10@172.20.20.16:5062>
Max-Forwards: 70
Supported: replaces, path, timer, eventlist
User-Agent: Grandstream GXV3140 1.0.7.80
Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
Content-Length: 0

....*.../3.. .......INFO sip:10@172.20.20.16:5062 SIP/2.0
Via: SIP/2.0/UDP 172.20.20.1:5567;rport;branch=z9hG4bKPj0452a1c3-5cb5-4483-b969-f4fb44887b3c
From: <sip:600@172.20.20.1>;tag=e36ec2bc-b05d-40a7-b017-35e591faa94e
To: "David" <sip:10@172.20.20.1>;tag=1931648376
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
CSeq: 4449 INFO
Max-Forwards: 70
User-Agent: Asterisk PBX 16.1.1
Content-Type: application/media_control+xml
Content-Length:   178

<?xml version="1.0" encoding="utf-8" ?>
 <media_control>
  <vc_primitive>
   <to_encoder>
    <picture_fast_update/>
   </to_encoder>
  </vc_primitive>
 </media_control>
SIP/2.0 200 OK
Via: SIP/2.0/UDP 172.20.20.1:5567;rport=5567;branch=z9hG4bKPj0452a1c3-5cb5-4483-b969-f4fb44887b3c
From: <sip:600@172.20.20.1>;tag=e36ec2bc-b05d-40a7-b017-35e591faa94e
To: "David" <sip:10@172.20.20.1>;tag=1931648376
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
CSeq: 4449 INFO
Contact: <sip:10@172.20.20.16:5062>
Supported: replaces, path, timer, eventlist
User-Agent: Grandstream GXV3140 1.0.7.80
Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
Content-Length: 0

.....h.m......x..;~.BYE sip:172.20.20.1:5567 SIP/2.0
Via: SIP/2.0/UDP 172.20.20.16:5062;branch=z9hG4bK1057977667;rport
From: "David" <sip:10@172.20.20.1>;tag=1931648376
To: <sip:600@172.20.20.1>;tag=e36ec2bc-b05d-40a7-b017-35e591faa94e
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
CSeq: 162 BYE
Contact: <sip:10@172.20.20.16:5062>
Max-Forwards: 70
Supported: replaces, path, timer, eventlist
User-Agent: Grandstream GXV3140 1.0.7.80
Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
Content-Length: 0

SIP/2.0 200 OK
Via: SIP/2.0/UDP 172.20.20.16:5062;rport=5062;received=172.20.20.16;branch=z9hG4bK1057977667
Call-ID: 770574157-5062-17@BHC.CA.CA.BG
From: "David" <sip:10@172.20.20.1>;tag=1931648376
To: <sip:600@172.20.20.1>;tag=e36ec2bc-b05d-40a7-b017-35e591faa94e
CSeq: 162 BYE
Server: Asterisk PBX 16.1.1
Content-Length:  0