U 172.16.1.2:5060 -> 172.16.3.2:5060
INVITE sip:35785485540@172.16.3.2 SIP/2.0.
Via: SIP/2.0/UDP 172.16.1.2;rport;branch=z9hG4bK183Sp7a9SgH8g.
Max-Forwards: 69.
From: "ASTPP" <sip:4810338297@172.16.1.2>;tag=SHeHtHKZv55ca.
To: <sip:35785485540@172.16.3.2>.
Call-ID: 2c6cbc2a-ffdb-1234-daab-00163e58475c.
CSeq: 97183319 INVITE.
Contact: <sip:gw+fs1@172.16.1.2:5060;transport=udp;gw=fs1>.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Allow-Events: talk, hold, conference, refer.
Content-Type: application/sdp.
Content-Disposition: session.
Content-Length: 240.
X-FS-Support: update_display,send_info.
Remote-Party-ID: "ASTPP" <sip:4810338297@172.16.1.2>;party=calling;screen=yes;privacy=off.
.
v=0.
o=FreeSWITCH 1475021931 1475021932 IN IP4 172.16.1.2.
s=FreeSWITCH.
c=IN IP4 172.16.1.2.
t=0 0.
m=audio 16836 RTP/AVP 8 0 101.
a=rtpmap:8 PCMA/8000.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.
................

U 172.16.3.2:5060 -> 172.16.1.2:5060
SIP/2.0 100 Trying.
Via: SIP/2.0/UDP 172.16.1.2;rport=5060;branch=z9hG4bK183Sp7a9SgH8g.
From: "ASTPP" <sip:4810338297@172.16.1.2>;tag=SHeHtHKZv55ca.
To: <sip:35785485540@172.16.3.2>.
Call-ID: 2c6cbc2a-ffdb-1234-daab-00163e58475c.
CSeq: 97183319 INVITE.
User-Agent: ASTPP.
Content-Length: 0.
.
................

U 172.16.3.2:5060 -> 172.16.1.2:5060
INVITE sip:35785485540@172.16.1.2 SIP/2.0.
Via: SIP/2.0/UDP 172.16.3.2;rport;branch=z9hG4bKBU59QDteH49rN.
Max-Forwards: 68.
From: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
To: <sip:35785485540@172.16.1.2>.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183319 INVITE.
Contact: <sip:gw+IPComms@172.16.3.2:5060;transport=udp;gw=IPComms>.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Allow-Events: talk, hold, conference, refer.
Content-Type: application/sdp.
Content-Disposition: session.
Content-Length: 240.
X-call-type: standard.
X-gw_name: IPComms.
X-FS-Support: update_display,send_info.
Remote-Party-ID: "ASTPP" <sip:4810338297@172.16.3.2>;party=calling;screen=yes;privacy=off.
.
v=0.
o=FreeSWITCH 1475021931 1475021932 IN IP4 172.16.1.2.
s=FreeSWITCH.
c=IN IP4 172.16.1.2.
t=0 0.
m=audio 16836 RTP/AVP 8 0 101.
a=rtpmap:8 PCMA/8000.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.
................

U 172.16.1.2:5060 -> 172.16.3.2:5060
SIP/2.0 100 Trying.
Via: SIP/2.0/UDP 172.16.3.2;rport=5060;branch=z9hG4bKBU59QDteH49rN.
From: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
To: <sip:35785485540@172.16.1.2>.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183319 INVITE.
User-Agent: ASTPP.
Content-Length: 0.
.
................

U 172.16.1.2:5060 -> 172.16.3.2:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP 172.16.3.2;rport=5060;branch=z9hG4bKBU59QDteH49rN.
From: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
To: <sip:35785485540@172.16.1.2>;tag=tt79Uc42SevZN.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183319 INVITE.
Contact: <sip:35785485540@172.16.1.2:5060;transport=udp>.
User-Agent: ASTPP.
Accept: application/sdp.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Allow-Events: talk, hold, conference, refer.
Content-Length: 0.
X-FS-Display-Name: Outbound Call.
X-FS-Display-Number: sip:35785485540@172.16.1.2.
X-FS-Support: update_display,send_info.
Remote-Party-ID: "Outbound Call" <sip:35785485540@172.16.1.2>;party=calling;privacy=off;screen=no.
.
................

U 172.16.3.2:5060 -> 172.16.1.2:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP 172.16.1.2;rport=5060;branch=z9hG4bK183Sp7a9SgH8g.
From: "ASTPP" <sip:4810338297@172.16.1.2>;tag=SHeHtHKZv55ca.
To: <sip:35785485540@172.16.3.2>;tag=g93m2UZ5K9U6p.
Call-ID: 2c6cbc2a-ffdb-1234-daab-00163e58475c.
CSeq: 97183319 INVITE.
Contact: <sip:35785485540@172.16.3.2:5060;transport=udp>.
User-Agent: ASTPP.
Accept: application/sdp.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Allow-Events: talk, hold, conference, refer.
Content-Length: 0.
X-FS-Display-Name: Outbound Call.
X-FS-Display-Number: sip:35785485540@172.16.3.2.
X-FS-Support: update_display,send_info.
Remote-Party-ID: "Outbound Call" <sip:35785485540@172.16.3.2>;party=calling;privacy=off;screen=no.
.
................

U 172.16.1.2:5060 -> 172.16.3.2:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 172.16.3.2;rport=5060;branch=z9hG4bKBU59QDteH49rN.
From: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
To: <sip:35785485540@172.16.1.2>;tag=tt79Uc42SevZN.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183319 INVITE.
Contact: <sip:35785485540@172.16.1.2:5060;transport=udp>.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Allow-Events: talk, hold, conference, refer.
Content-Type: application/sdp.
Content-Disposition: session.
Content-Length: 260.
X-FS-Display-Name: Outbound Call.
X-FS-Display-Number: sip:35785485540@172.16.1.2.
X-FS-Support: update_display,send_info.
Remote-Party-ID: "Outbound Call" <sip:35785485540@172.16.1.2>;party=calling;privacy=off;screen=no.
.
v=0.
o=FreeSWITCH 1806644288 1806644289 IN IP4 172.16.1.2.
s=FreeSWITCH.
c=IN IP4 172.16.1.2.
t=0 0.
m=audio 17420 RTP/AVP 8 101.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=X-vrzcap:identification bin=DSR2883 Prot=mgcp App=MG.
................

U 172.16.3.2:5060 -> 172.16.1.2:5060
ACK sip:35785485540@172.16.1.2:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 172.16.3.2;rport;branch=z9hG4bKc4y2S8ajeD0BH.
Max-Forwards: 70.
From: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
To: <sip:35785485540@172.16.1.2>;tag=tt79Uc42SevZN.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183319 ACK.
Contact: <sip:gw+IPComms@172.16.3.2:5060;transport=udp;gw=IPComms>.
Content-Length: 0.
.
................

U 172.16.1.2:5060 -> 172.16.3.2:5060
INFO sip:gw+IPComms@172.16.3.2:5060;transport=udp;gw=IPComms SIP/2.0.
Via: SIP/2.0/UDP 172.16.1.2;rport;branch=z9hG4bK2HXjr2UcQS7tc.
Max-Forwards: 70.
From: <sip:35785485540@172.16.1.2>;tag=tt79Uc42SevZN.
To: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183329 INFO.
Contact: <sip:35785485540@172.16.1.2:5060;transport=udp>.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Content-Type: message/update_display.
Content-Length: 0.
X-FS-Display-Name: Outbound Call.
X-FS-Display-Number: 35785485540.
.
................

U 172.16.3.2:5060 -> 172.16.1.2:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 172.16.1.2;rport=5060;branch=z9hG4bK2HXjr2UcQS7tc.
From: <sip:35785485540@172.16.1.2>;tag=tt79Uc42SevZN.
To: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183329 INFO.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Content-Length: 0.
.
................

U 172.16.3.2:5060 -> 172.16.1.2:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 172.16.1.2;rport=5060;branch=z9hG4bK183Sp7a9SgH8g.
From: "ASTPP" <sip:4810338297@172.16.1.2>;tag=SHeHtHKZv55ca.
To: <sip:35785485540@172.16.3.2>;tag=g93m2UZ5K9U6p.
Call-ID: 2c6cbc2a-ffdb-1234-daab-00163e58475c.
CSeq: 97183319 INVITE.
Contact: <sip:35785485540@172.16.3.2:5060;transport=udp>.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Allow-Events: talk, hold, conference, refer.
Content-Type: application/sdp.
Content-Disposition: session.
Content-Length: 260.
X-FS-Display-Name: Outbound Call.
X-FS-Display-Number: sip:35785485540@172.16.3.2.
X-FS-Support: update_display,send_info.
Remote-Party-ID: "Outbound Call" <sip:35785485540@172.16.3.2>;party=calling;privacy=off;screen=no.
.
v=0.
o=FreeSWITCH 1806644288 1806644289 IN IP4 172.16.1.2.
s=FreeSWITCH.
c=IN IP4 172.16.1.2.
t=0 0.
m=audio 17420 RTP/AVP 8 101.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=X-vrzcap:identification bin=DSR2883 Prot=mgcp App=MG.
................

U 172.16.1.2:5060 -> 172.16.3.2:5060
ACK sip:35785485540@172.16.3.2:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 172.16.1.2;rport;branch=z9hG4bK3tpBtXcgm2XDr.
Max-Forwards: 70.
From: "ASTPP" <sip:4810338297@172.16.1.2>;tag=SHeHtHKZv55ca.
To: <sip:35785485540@172.16.3.2>;tag=g93m2UZ5K9U6p.
Call-ID: 2c6cbc2a-ffdb-1234-daab-00163e58475c.
CSeq: 97183319 ACK.
Contact: <sip:gw+fs1@172.16.1.2:5060;transport=udp;gw=fs1>.
Content-Length: 0.
.
................

U 172.16.3.2:5060 -> 172.16.1.2:5060
INFO sip:35785485540@172.16.1.2:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 172.16.3.2;rport;branch=z9hG4bKDDrUU3UNBppyc.
Max-Forwards: 70.
From: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
To: <sip:35785485540@172.16.1.2>;tag=tt79Uc42SevZN.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183320 INFO.
Contact: <sip:gw+IPComms@172.16.3.2:5060;transport=udp;gw=IPComms>.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Content-Type: message/update_display.
Content-Length: 0.
X-FS-Display-Name: ASTPP.
X-FS-Display-Number: 4810338297.
.
................

U 172.16.3.2:5060 -> 172.16.1.2:5060
INFO sip:gw+fs1@172.16.1.2:5060;transport=udp;gw=fs1 SIP/2.0.
Via: SIP/2.0/UDP 172.16.3.2;rport;branch=z9hG4bKepHmXycS8ycHr.
Max-Forwards: 70.
From: <sip:35785485540@172.16.3.2>;tag=g93m2UZ5K9U6p.
To: "ASTPP" <sip:4810338297@172.16.1.2>;tag=SHeHtHKZv55ca.
Call-ID: 2c6cbc2a-ffdb-1234-daab-00163e58475c.
CSeq: 97183329 INFO.
Contact: <sip:35785485540@172.16.3.2:5060;transport=udp>.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Content-Type: message/update_display.
Content-Length: 0.
X-FS-Display-Name: Outbound Call.
X-FS-Display-Number: 35785485540.
.
................

U 172.16.1.2:5060 -> 172.16.3.2:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 172.16.3.2;rport=5060;branch=z9hG4bKDDrUU3UNBppyc.
From: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
To: <sip:35785485540@172.16.1.2>;tag=tt79Uc42SevZN.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183320 INFO.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Content-Length: 0.
.
................

U 172.16.1.2:5060 -> 172.16.3.2:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 172.16.3.2;rport=5060;branch=z9hG4bKepHmXycS8ycHr.
From: <sip:35785485540@172.16.3.2>;tag=g93m2UZ5K9U6p.
To: "ASTPP" <sip:4810338297@172.16.1.2>;tag=SHeHtHKZv55ca.
Call-ID: 2c6cbc2a-ffdb-1234-daab-00163e58475c.
CSeq: 97183329 INFO.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Content-Length: 0.
.
................

U 172.16.1.2:5060 -> 172.16.3.2:5060
BYE sip:gw+IPComms@172.16.3.2:5060;transport=udp;gw=IPComms SIP/2.0.
Via: SIP/2.0/UDP 172.16.1.2;rport;branch=z9hG4bK43F4UrXKHBm0K.
Max-Forwards: 70.
From: <sip:35785485540@172.16.1.2>;tag=tt79Uc42SevZN.
To: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183330 BYE.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Reason: Q.850;cause=16;text="NORMAL_CLEARING".
Content-Length: 0.
.
................

U 172.16.3.2:5060 -> 172.16.1.2:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 172.16.1.2;rport=5060;branch=z9hG4bK43F4UrXKHBm0K.
From: <sip:35785485540@172.16.1.2>;tag=tt79Uc42SevZN.
To: "ASTPP" <sip:4810338297@172.16.3.2>;tag=HjXD4pg9gjjSj.
Call-ID: 2cac95ea-ffdb-1234-5780-00163e456096.
CSeq: 97183330 BYE.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Content-Length: 0.
.
................

U 172.16.3.2:5060 -> 172.16.1.2:5060
BYE sip:gw+fs1@172.16.1.2:5060;transport=udp;gw=fs1 SIP/2.0.
Via: SIP/2.0/UDP 172.16.3.2;rport;branch=z9hG4bKFZaDZSXv5723K.
Max-Forwards: 70.
From: <sip:35785485540@172.16.3.2>;tag=g93m2UZ5K9U6p.
To: "ASTPP" <sip:4810338297@172.16.1.2>;tag=SHeHtHKZv55ca.
Call-ID: 2c6cbc2a-ffdb-1234-daab-00163e58475c.
CSeq: 97183330 BYE.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Reason: Q.850;cause=16;text="NORMAL_CLEARING".
Content-Length: 0.
.
................

U 172.16.1.2:5060 -> 172.16.3.2:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 172.16.3.2;rport=5060;branch=z9hG4bKFZaDZSXv5723K.
From: <sip:35785485540@172.16.3.2>;tag=g93m2UZ5K9U6p.
To: "ASTPP" <sip:4810338297@172.16.1.2>;tag=SHeHtHKZv55ca.
Call-ID: 2c6cbc2a-ffdb-1234-daab-00163e58475c.
CSeq: 97183330 BYE.
User-Agent: ASTPP.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, NOTIFY.
Supported: path, replaces.
Content-Length: 0.
.
................