T UAC_IP:48528 -> MEDIA_IP:5060 [AP]
INVITE sip:TO_NUM@MEDIA_IP;transport=TCP SIP/2.0.
Via: SIP/2.0/TCP 192.168.1.33:63314;branch=z9hG4bK-d8754z-2962ac405d640712-1---d8754z-.
Max-Forwards: 70.
Contact: <sip:FROM_NUM@192.168.1.33:63314;transport=TCP>.
To: <sip:TO_NUM@MEDIA_IP;transport=TCP>.
From: <sip:FROM_NUM@MEDIA_IP;transport=TCP>;tag=a4759425.
Call-ID: MmRiNmQ3YWM2OTlkODE0NjA4M2JlNTdmYzVlZmZiNmQ..
CSeq: 1 INVITE.
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE.
Content-Type: application/sdp.
Supported: replaces, norefersub, extended-refer, timer, X-cisco-serviceuri.
User-Agent: Z 3.3.25608 r25552.
Allow-Events: presence, kpml.
Content-Length: 241.
.
v=0.
o=Z 0 0 IN IP4 UAC_IP.
s=Z.
c=IN IP4 UAC_IP.
t=0 0.
m=audio 8000 RTP/AVP 3 110 8 0 98 101.
a=rtpmap:110 speex/8000.
a=rtpmap:98 iLBC/8000.
a=fmtp:98 mode=20.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=sendrecv.


T MEDIA_IP:5060 -> UAC_IP:48528 [AP]
SIP/2.0 100 Trying.
Via: SIP/2.0/TCP 192.168.1.33:63314;branch=z9hG4bK-d8754z-2962ac405d640712-1---d8754z-;received=UAC_IP;rport=48528.
From: <sip:FROM_NUM@MEDIA_IP;transport=TCP>;tag=a4759425.
To: <sip:TO_NUM@MEDIA_IP;transport=TCP>.
Call-ID: MmRiNmQ3YWM2OTlkODE0NjA4M2JlNTdmYzVlZmZiNmQ..
CSeq: 1 INVITE.
User-Agent: USER_AGENT.
Content-Length: 0.
.


T MEDIA_IP:5060 -> UAC_IP:48528 [AP]
SIP/2.0 407 Proxy Authentication Required.
Via: SIP/2.0/TCP 192.168.1.33:63314;branch=z9hG4bK-d8754z-2962ac405d640712-1---d8754z-;received=UAC_IP;rport=48528.
From: <sip:FROM_NUM@MEDIA_IP;transport=TCP>;tag=a4759425.
To: <sip:TO_NUM@MEDIA_IP;transport=TCP>;tag=7BUpSU4D9epea.
Call-ID: MmRiNmQ3YWM2OTlkODE0NjA4M2JlNTdmYzVlZmZiNmQ..
CSeq: 1 INVITE.
User-Agent: USER_AGENT.
Accept: application/sdp.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY, PUBLISH, SUBSCRIBE.
Supported: path, replaces.
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer.
Proxy-Authenticate: Digest realm="MEDIA_IP", nonce="bf4fbbbf-f31f-4a3b-8b7c-783784feebb0", algorithm=MD5, qop="auth".
Content-Length: 0.
.


T UAC_IP:48528 -> MEDIA_IP:5060 [A]
ACK sip:TO_NUM@MEDIA_IP;transport=TCP SIP/2.0.
Via: SIP/2.0/TCP 192.168.1.33:63314;branch=z9hG4bK-d8754z-2962ac405d640712-1---d8754z-.
Max-Forwards: 70.
To: <sip:TO_NUM@MEDIA_IP;transport=TCP>;tag=7BUpSU4D9epea.
From: <sip:FROM_NUM@MEDIA_IP;transport=TCP>;tag=a4759425.
Call-ID: MmRiNmQ3YWM2OTlkODE0NjA4M2JlNTdmYzVlZmZiNmQ..
CSeq: 1 ACK.
Content-Length: 0.
.
INVITE sip:TO_NUM@MEDIA_IP;transport=TCP SIP/2.0.
Via: SIP/2.0/TCP 192.168.1.33:63314;branch=z9hG4bK-d8754z-9e06d796aeefca79-1---d8754z-.
Max-Forwards: 70.
Contact: <sip:FROM_NUM@192.168.1.33:63314;transport=TCP>.
To: <sip:TO_NUM@MEDIA_IP;transport=TCP>.
From: <sip:FROM_NUM@MEDIA_IP;transport=TCP>;tag=a4759425.
Call-ID: MmRiNmQ3YWM2OTlkODE0NjA4M2JlNTdmYzVlZmZiNmQ..
CSeq: 2 INVITE.
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE.
Content-Type: application/sdp.
Proxy-Authorization: Digest username="FROM_NUM",realm="MEDIA_IP",nonce="bf4fbbbf-f31f-4a3b-8b7c-783784feebb0",uri="sip:TO_NUM@MEDIA_IP;transport=TCP",response="f17c8907299bae27a35440ad78aadd51",cnonce="09da3f706c21746488576772b90577b0",nc=00000001,qop=auth,algorithm=MD5.
Supported: replaces, norefersub, extended-refer, timer, X-cisco-serviceuri.
User-Agent: Z 3.3.25608 r25552.
Allow-Events: presence, kpml.
Content-Length: 239.
.
v=0.
o=Z 0 0 IN IP4 192.168.1.33.
s=Z.
c=IN

T MEDIA_IP:5060 -> UAC_IP:48528 [AP]
SIP/2.0 100 Trying.
Via: SIP/2.0/TCP 192.168.1.33:63314;branch=z9hG4bK-d8754z-9e06d796aeefca79-1---d8754z-;received=UAC_IP;rport=48528.
From: <sip:FROM_NUM@MEDIA_IP;transport=TCP>;tag=a4759425.
To: <sip:TO_NUM@MEDIA_IP;transport=TCP>.
Call-ID: MmRiNmQ3YWM2OTlkODE0NjA4M2JlNTdmYzVlZmZiNmQ..
CSeq: 2 INVITE.
User-Agent: USER_AGENT.
Content-Length: 0.
.


U MEDIA_IP:5060 -> PROVIDER_IP:47055
INVITE sip:TO_NUM@PROVIDER_IP:47055 SIP/2.0.
Via: SIP/2.0/UDP MEDIA_IP;rport;branch=z9hG4bKX9Q660FN8eUBS.
Max-Forwards: 69.
From: "FROM_NUM" <sip:FROM_NUM@MEDIA_IP>;tag=D2jB4X92Q4UyF.
To: <sip:TO_NUM@PROVIDER_IP:47055>.
Call-ID: 377ef3a9-37ef-1235-8e8c-0050563ccff7.
CSeq: 100266256 INVITE.
Contact: <sip:gw+IPComms@MEDIA_IP:5060;transport=udp;gw=IPComms>.
User-Agent: USER_AGENT.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY, PUBLISH, SUBSCRIBE.
Supported: path, replaces.
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer.
Content-Type: application/sdp.
Content-Disposition: session.
Content-Length: 226.
X-FS-Support: update_display,send_info.
Remote-Party-ID: "FROM_NUM" <sip:FROM_NUM@MEDIA_IP>;party=calling;screen=yes;privacy=off.
.
v=0.
o=FreeSWITCH 1481175358 1481175359 IN IP4 MEDIA_IP.
s=FreeSWITCH.
c=IN IP4 MEDIA_IP.
t=0 0.
m=audio 29282 RTP/AVP 8 101.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U PROVIDER_IP:47055 -> MEDIA_IP:5060
SIP/2.0 100 Trying.
Via: SIP/2.0/UDP MEDIA_IP;branch=z9hG4bKX9Q660FN8eUBS;received=MEDIA_IP;rport=5060.
From: "FROM_NUM" <sip:FROM_NUM@MEDIA_IP>;tag=D2jB4X92Q4UyF.
To: <sip:TO_NUM@PROVIDER_IP:47055>.
Call-ID: 377ef3a9-37ef-1235-8e8c-0050563ccff7.
CSeq: 100266256 INVITE.
Server: Asterisk PBX 13.8.1.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE.
Supported: replaces, timer.
Contact: <sip:TO_NUM@PROVIDER_IP:47055>.
Content-Length: 0.
.


U PROVIDER_IP:47055 -> MEDIA_IP:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP MEDIA_IP;branch=z9hG4bKX9Q660FN8eUBS;received=MEDIA_IP;rport=5060.
From: "FROM_NUM" <sip:FROM_NUM@MEDIA_IP>;tag=D2jB4X92Q4UyF.
To: <sip:TO_NUM@PROVIDER_IP:47055>;tag=as7055d498.
Call-ID: 377ef3a9-37ef-1235-8e8c-0050563ccff7.
CSeq: 100266256 INVITE.
Server: Asterisk PBX 13.8.1.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE.
Supported: replaces, timer.
Contact: <sip:TO_NUM@PROVIDER_IP:47055>.
Content-Type: application/sdp.
Content-Length: 239.
.
v=0.
o=root 991119752 991119752 IN IP4 PROVIDER_IP.
s=Asterisk PBX 13.8.1.
c=IN IP4 PROVIDER_IP.
t=0 0.
m=audio 12012 RTP/AVP 8 101.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=maxptime:150.
a=sendrecv.


U MEDIA_IP:5060 -> PROVIDER_IP:47055
ACK sip:TO_NUM@PROVIDER_IP:47055 SIP/2.0.
Via: SIP/2.0/UDP MEDIA_IP;rport;branch=z9hG4bK9N7Fv5SZ5S6Bm.
Max-Forwards: 70.
From: "FROM_NUM" <sip:FROM_NUM@MEDIA_IP>;tag=D2jB4X92Q4UyF.
To: <sip:TO_NUM@PROVIDER_IP:47055>;tag=as7055d498.
Call-ID: 377ef3a9-37ef-1235-8e8c-0050563ccff7.
CSeq: 100266256 ACK.
Contact: <sip:gw+IPComms@MEDIA_IP:5060;transport=udp;gw=IPComms>.
Content-Length: 0.
.


T MEDIA_IP:5060 -> UAC_IP:48528 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP 192.168.1.33:63314;branch=z9hG4bK-d8754z-9e06d796aeefca79-1---d8754z-;received=UAC_IP;rport=48528.
From: <sip:FROM_NUM@MEDIA_IP;transport=TCP>;tag=a4759425.
To: <sip:TO_NUM@MEDIA_IP;transport=TCP>;tag=cSSj22rZtU5Bm.
Call-ID: MmRiNmQ3YWM2OTlkODE0NjA4M2JlNTdmYzVlZmZiNmQ..
CSeq: 2 INVITE.
Contact: <sip:TO_NUM@MEDIA_IP:5060;transport=tcp>.
User-Agent: USER_AGENT.
Accept: application/sdp.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY, PUBLISH, SUBSCRIBE.
Supported: path, replaces.
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer.
Content-Type: application/sdp.
Content-Disposition: session.
Content-Length: 226.
Remote-Party-ID: "Outbound Call" <sip:TO_NUM@MEDIA_IP>;party=calling;privacy=off;screen=no.
.
v=0.
o=FreeSWITCH 1481185392 1481185393 IN IP4 MEDIA_IP.
s=FreeSWITCH.
c=IN IP4 MEDIA_IP.
t=0 0.
m=audio 19254 RTP/AVP 8 101.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


T UAC_IP:48528 -> MEDIA_IP:5060 [AP]
ACK sip:TO_NUM@MEDIA_IP:5060;transport=tcp SIP/2.0.
Via: SIP/2.0/TCP 192.168.1.33:63314;branch=z9hG4bK-d8754z-0bdb0cc37ebf74bd-1---d8754z-.
Max-Forwards: 70.
Contact: <sip:FROM_NUM@192.168.1.33:63314;transport=TCP>.
To: <sip:TO_NUM@MEDIA_IP;transport=TCP>;tag=cSSj22rZtU5Bm.
From: <sip:FROM_NUM@MEDIA_IP;transport=TCP>;tag=a4759425.
Call-ID: MmRiNmQ3YWM2OTlkODE0NjA4M2JlNTdmYzVlZmZiNmQ..
CSeq: 2 ACK.
Proxy-Authorization: Digest username="FROM_NUM",realm="MEDIA_IP",nonce="bf4fbbbf-f31f-4a3b-8b7c-783784feebb0",uri="sip:TO_NUM@MEDIA_IP;transport=TCP",response="f17c8907299bae27a35440ad78aadd51",cnonce="09da3f706c21746488576772b90577b0",nc=00000001,qop=auth,algorithm=MD5.
User-Agent: Z 3.3.25608 r25552.
Content-Length: 0.
.


T UAC_IP:48528 -> MEDIA_IP:5060 [AP]
BYE sip:TO_NUM@MEDIA_IP:5060;transport=tcp SIP/2.0.
Via: SIP/2.0/TCP 192.168.1.33:63314;branch=z9hG4bK-d8754z-83e5ab01ebe5ae33-1---d8754z-.
Max-Forwards: 70.
Contact: <sip:FROM_NUM@192.168.1.33:63314;transport=TCP>.
To: <sip:TO_NUM@MEDIA_IP;transport=TCP>;tag=cSSj22rZtU5Bm.
From: <sip:FROM_NUM@MEDIA_IP;transport=TCP>;tag=a4759425.
Call-ID: MmRiNmQ3YWM2OTlkODE0NjA4M2JlNTdmYzVlZmZiNmQ..
CSeq: 3 BYE.
Proxy-Authorization: Digest username="FROM_NUM",realm="MEDIA_IP",nonce="bf4fbbbf-f31f-4a3b-8b7c-783784feebb0",uri="sip:TO_NUM@MEDIA_IP:5060;transport=tcp",response="8949f0c01e99963d6d8ec26c314f6781",cnonce="dcd0652db3f4d560a6a70455f66c5f88",nc=00000002,qop=auth,algorithm=MD5.
User-Agent: Z 3.3.25608 r25552.
Content-Length: 0.
.


T MEDIA_IP:5060 -> UAC_IP:48528 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP 192.168.1.33:63314;branch=z9hG4bK-d8754z-83e5ab01ebe5ae33-1---d8754z-;received=UAC_IP;rport=48528.
From: <sip:FROM_NUM@MEDIA_IP;transport=TCP>;tag=a4759425.
To: <sip:TO_NUM@MEDIA_IP;transport=TCP>;tag=cSSj22rZtU5Bm.
Call-ID: MmRiNmQ3YWM2OTlkODE0NjA4M2JlNTdmYzVlZmZiNmQ..
CSeq: 3 BYE.
User-Agent: USER_AGENT.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY, PUBLISH, SUBSCRIBE.
Supported: path, replaces.
Content-Length: 0.
.


U MEDIA_IP:5060 -> PROVIDER_IP:47055
BYE sip:TO_NUM@PROVIDER_IP:47055 SIP/2.0.
Via: SIP/2.0/UDP MEDIA_IP;rport;branch=z9hG4bKaZ08X0a322vyF.
Max-Forwards: 70.
From: "FROM_NUM" <sip:FROM_NUM@MEDIA_IP>;tag=D2jB4X92Q4UyF.
To: <sip:TO_NUM@PROVIDER_IP:47055>;tag=as7055d498.
Call-ID: 377ef3a9-37ef-1235-8e8c-0050563ccff7.
CSeq: 100266257 BYE.
User-Agent: USER_AGENT.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY, PUBLISH, SUBSCRIBE.
Supported: path, replaces.
Reason: Q.850;cause=16;text="NORMAL_CLEARING".
Content-Length: 0.
.


U PROVIDER_IP:47055 -> MEDIA_IP:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP MEDIA_IP;branch=z9hG4bKaZ08X0a322vyF;received=MEDIA_IP;rport=5060.
From: "FROM_NUM" <sip:FROM_NUM@MEDIA_IP>;tag=D2jB4X92Q4UyF.
To: <sip:TO_NUM@PROVIDER_IP:47055>;tag=as7055d498.
Call-ID: 377ef3a9-37ef-1235-8e8c-0050563ccff7.
CSeq: 100266257 BYE.
Server: Asterisk PBX 13.8.1.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE.
Supported: replaces, timer.
Content-Length: 0.
.