1. 2017/04/14 19:51:02.202809 192.168.100.104:5060 -> 192.168.100.107:5050
2. INVITE sip:+17274519789@sven-test-trunk.pstn.twilio.com SIP/2.0
3. Via: SIP/2.0/UDP 192.168.100.104;rport;branch=z9hG4bKmU13vccejyvSD
4. Max-Forwards: 70
5. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
6. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>
7. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
8. CSeq: 105763667 INVITE
9. Contact: <sip:gw+twiliotrunk@192.168.100.104:5060;transport=udp;gw=twiliotrunk>
10. User-Agent: FreeSWITCH-mod_sofia/1.6.15-32-bec4538~64bit
11. Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
12. Supported: timer, path, replaces
13. Allow-Events: talk, hold, conference, refer
14. Content-Type: application/sdp
15. Content-Disposition: session
16. Content-Length: 781
17. X-FS-Support: update_display,send_info
18. Remote-Party-ID: "Stratus" <sip:7277777020@sven-test-trunk.pstn.twilio.com>;party=calling;screen=yes;privacy=off
19.  
20. v=0
21. o=FreeSWITCH 1492182600 1492182601 IN IP4 192.168.100.104
22. s=FreeSWITCH
23. c=IN IP4 192.168.100.104
24. t=0 0
25. m=audio 16862 RTP/AVP 0 8 102 9 101 105
26. a=rtpmap:0 PCMU/8000
27. a=rtpmap:8 PCMA/8000
28. a=rtpmap:102 opus/48000/2
29. a=fmtp:102 useinbandfec=1; maxaveragebitrate=30000; maxplaybackrate=48000; ptime=20; minptime=10; maxptime=40
30. a=rtpmap:9 G722/8000
31. a=rtpmap:101 telephone-event/8000
32. a=fmtp:101 0-16
33. a=rtpmap:105 telephone-event/48000
34. a=fmtp:105 0-16
35. a=ptime:20
36. m=video 21884 RTP/AVP 103 104
37. b=AS:512
38. a=rtpmap:103 VP8/90000
39. a=fmtp:103 true
40. a=rtpmap:104 H264/90000
41. a=fmtp:104 true
42. a=rtcp-fb:103 ccm fir
43. a=rtcp-fb:103 ccm tmmbr
44. a=rtcp-fb:103 nack
45. a=rtcp-fb:103 nack pli
46. a=rtcp-fb:104 ccm fir
47. a=rtcp-fb:104 ccm tmmbr
48. a=rtcp-fb:104 nack
49. a=rtcp-fb:104 nack pli
50.  
51. 2017/04/14 19:51:02.203265 192.168.100.107:5050 -> 192.168.100.104:5060
52. SIP/2.0 100 Giving a try
53. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKmU13vccejyvSD
54. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
55. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>
56. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
57. CSeq: 105763667 INVITE
58. Server: OpenSIPS (2.2.3 (x86_64/linux))
59. Content-Length: 0
60.  
61.  
62. 2017/04/14 19:51:02.215582 192.168.100.107:5060 -> 54.172.60.2:5060
63. INVITE sip:+17274519789@sven-test-trunk.pstn.twilio.com SIP/2.0
64. Record-Route: <sip:128.136.166.107:5060;r2=on;lr;did=877.bb67b465>
65. Record-Route: <sip:192.168.100.107:5050;r2=on;lr;did=877.bb67b465>
66. Via: SIP/2.0/UDP 128.136.166.107:5060;branch=z9hG4bK7ce.271caeb1.0
67. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKmU13vccejyvSD
68. Max-Forwards: 69
69. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
70. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>
71. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
72. CSeq: 105763667 INVITE
73. Contact: <sip:gw+twiliotrunk@192.168.100.104:5060;transport=udp;gw=twiliotrunk>
74. User-Agent: FreeSWITCH-mod_sofia/1.6.15-32-bec4538~64bit
75. Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
76. Supported: timer, path, replaces
77. Allow-Events: talk, hold, conference, refer
78. Content-Type: application/sdp
79. Content-Disposition: session
80. Content-Length: 799
81. X-FS-Support: update_display,send_info
82. Remote-Party-ID: "Stratus" <sip:7277777020@sven-test-trunk.pstn.twilio.com>;party=calling;screen=yes;privacy=off
83.  
84. v=0
85. o=FreeSWITCH 1492182600 1492182601 IN IP4 128.136.166.107
86. s=FreeSWITCH
87. c=IN IP4 128.136.166.107
88. t=0 0
89. m=audio 61850 RTP/AVP 0 8 102 9 101 105
90. a=rtpmap:0 PCMU/8000
91. a=rtpmap:8 PCMA/8000
92. a=rtpmap:102 opus/48000/2
93. a=fmtp:102 useinbandfec=1; maxaveragebitrate=30000; maxplaybackrate=48000; ptime=20; minptime=10; maxptime=40
94. a=rtpmap:9 G722/8000
95. a=rtpmap:101 telephone-event/8000
96. a=fmtp:101 0-16
97. a=rtpmap:105 telephone-event/48000
98. a=fmtp:105 0-16
99. a=ptime:20
100. m=video 52228 RTP/AVP 103 104
101. b=AS:512
102. a=rtpmap:103 VP8/90000
103. a=fmtp:103 true
104. a=rtpmap:104 H264/90000
105. a=fmtp:104 true
106. a=rtcp-fb:103 ccm fir
107. a=rtcp-fb:103 ccm tmmbr
108. a=rtcp-fb:103 nack
109. a=rtcp-fb:103 nack pli
110. a=rtcp-fb:104 ccm fir
111. a=rtcp-fb:104 ccm tmmbr
112. a=rtcp-fb:104 nack
113. a=rtcp-fb:104 nack pli
114. a=nortpproxy:yes
115.  
116. 2017/04/14 19:51:02.240629 54.172.60.2:5060 -> 192.168.100.107:5060
117. SIP/2.0 100 Giving a try
118. Via: SIP/2.0/UDP 128.136.166.107:5060;received=128.136.166.107;rport=5060;branch=z9hG4bK7ce.271caeb1.0
119. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKmU13vccejyvSD
120. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
121. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>
122. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
123. CSeq: 105763667 INVITE
124. Server: Twilio Gateway
125. Content-Length: 0
126.  
127.  
128. 2017/04/14 19:51:02.249046 54.172.60.2:5060 -> 192.168.100.107:5060
129. SIP/2.0 407 Proxy Authentication required
130. CSeq: 105763667 INVITE
131. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
132. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
133. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=59577565_6772d868_27adcfaa-a6ec-49c3-af2b-054f490ccc6c
134. Via: SIP/2.0/UDP 128.136.166.107:5060;rport=5060;received=128.136.166.107;branch=z9hG4bK7ce.271caeb1.0
135. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKmU13vccejyvSD
136. Server: Twilio
137. Contact: <sip:172.18.4.211:5060>
138. Proxy-Authenticate: Digest realm="sip.twilio.com",qop="auth",nonce="4DL0Pa4pmeYYNxvwsIb7TkEkq4k_YZB1kQFw1ZEPXIUyuShy",opaque="b0fa41ace6a6ba38df656e0b99fbb925"
139. Content-Length: 0
140.  
141.  
142. 2017/04/14 19:51:02.249178 192.168.100.107:5060 -> 54.172.60.2:5060
143. ACK sip:+17274519789@sven-test-trunk.pstn.twilio.com SIP/2.0
144. Via: SIP/2.0/UDP 128.136.166.107:5060;branch=z9hG4bK7ce.271caeb1.0
145. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
146. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
147. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=59577565_6772d868_27adcfaa-a6ec-49c3-af2b-054f490ccc6c
148. CSeq: 105763667 ACK
149. Max-Forwards: 70
150. User-Agent: OpenSIPS (2.2.3 (x86_64/linux))
151. Content-Length: 0
152.  
153.  
154. 2017/04/14 19:51:02.249441 192.168.100.107:5050 -> 192.168.100.104:5060
155. SIP/2.0 407 Proxy Authentication required
156. CSeq: 105763667 INVITE
157. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
158. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
159. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=59577565_6772d868_27adcfaa-a6ec-49c3-af2b-054f490ccc6c
160. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKmU13vccejyvSD
161. Server: Twilio
162. Contact: <sip:54.172.60.2:5060>
163. Proxy-Authenticate: Digest realm="sip.twilio.com",qop="auth",nonce="4DL0Pa4pmeYYNxvwsIb7TkEkq4k_YZB1kQFw1ZEPXIUyuShy",opaque="b0fa41ace6a6ba38df656e0b99fbb925"
164. Content-Length: 0
165.  
166.  
167. 2017/04/14 19:51:02.249729 192.168.100.104:5060 -> 192.168.100.107:5050
168. ACK sip:+17274519789@sven-test-trunk.pstn.twilio.com SIP/2.0
169. Via: SIP/2.0/UDP 192.168.100.104;rport;branch=z9hG4bKmU13vccejyvSD
170. Max-Forwards: 70
171. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
172. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=59577565_6772d868_27adcfaa-a6ec-49c3-af2b-054f490ccc6c
173. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
174. CSeq: 105763667 ACK
175. Content-Length: 0
176.  
177.  
178. 2017/04/14 19:51:02.258660 192.168.100.104:5060 -> 192.168.100.107:5050
179. INVITE sip:+17274519789@sven-test-trunk.pstn.twilio.com SIP/2.0
180. Via: SIP/2.0/UDP 192.168.100.104;rport;branch=z9hG4bKN4tvy7vHF7jcS
181. Max-Forwards: 70
182. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
183. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>
184. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
185. CSeq: 105763668 INVITE
186. Contact: <sip:gw+twiliotrunk@192.168.100.104:5060;transport=udp;gw=twiliotrunk>
187. User-Agent: FreeSWITCH-mod_sofia/1.6.15-32-bec4538~64bit
188. Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
189. Supported: timer, path, replaces
190. Allow-Events: talk, hold, conference, refer
191. Proxy-Authorization: Digest username="dev-freeswitch01", realm="sip.twilio.com", nonce="4DL0Pa4pmeYYNxvwsIb7TkEkq4k_YZB1kQFw1ZEPXIUyuShy", cnonce="h69xgpvuEjW/cABQVq4T3w", opaque="b0fa41ace6a6ba38df656e0b99fbb925", algorithm=
192. 5, uri="sip:+17274519789@sven-test-trunk.pstn.twilio.com", response="874368f8686d2049f52915a3291ae1f3", qop=auth, nc=00000001
193. Content-Type: application/sdp
194. Content-Disposition: session
195. Content-Length: 781
196. X-FS-Support: update_display,send_info
197. Remote-Party-ID: "Stratus" <sip:7277777020@sven-test-trunk.pstn.twilio.com>;party=calling;screen=yes;privacy=off
198.  
199. v=0
200. o=FreeSWITCH 1492182600 1492182601 IN IP4 192.168.100.104
201. s=FreeSWITCH
202. c=IN IP4 192.168.100.104
203. t=0 0
204. m=audio 16862 RTP/AVP 0 8 102 9 101 105
205. a=rtpmap:0 PCMU/8000
206. a=rtpmap:8 PCMA/8000
207. a=rtpmap:102 opus/48000/2
208. a=fmtp:102 useinbandfec=1; maxaveragebitrate=30000; maxplaybackrate=48000; ptime=20; minptime=10; maxptime=40
209. a=rtpmap:9 G722/8000
210. a=rtpmap:101 telephone-event/8000
211. a=fmtp:101 0-16
212. a=rtpmap:105 telephone-event/48000
213. a=fmtp:105 0-16
214. a=ptime:20
215. m=video 21884 RTP/AVP 103 104
216. b=AS:512
217. a=rtpmap:103 VP8/90000
218. a=fmtp:103 true
219. a=rtpmap:104 H264/90000
220. a=fmtp:104 true
221. a=rtcp-fb:103 ccm fir
222. a=rtcp-fb:103 ccm tmmbr
223. a=rtcp-fb:103 nack
224. a=rtcp-fb:103 nack pli
225. a=rtcp-fb:104 ccm fir
226. a=rtcp-fb:104 ccm tmmbr
227. a=rtcp-fb:104 nack
228. a=rtcp-fb:104 nack pli
229.  
230. 2017/04/14 19:51:02.259000 192.168.100.107:5050 -> 192.168.100.104:5060
231. SIP/2.0 100 Giving a try
232. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKN4tvy7vHF7jcS
233. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
234. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>
235. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
236. CSeq: 105763668 INVITE
237. Server: OpenSIPS (2.2.3 (x86_64/linux))
238. Content-Length: 0
239.  
240.  
241. 2017/04/14 19:51:02.261582 192.168.100.107:5060 -> 54.172.60.3:5060
242. INVITE sip:+17274519789@sven-test-trunk.pstn.twilio.com SIP/2.0
243. Record-Route: <sip:128.136.166.107:5060;r2=on;lr;did=877.cb67b465>
244. Record-Route: <sip:192.168.100.107:5050;r2=on;lr;did=877.cb67b465>
245. Via: SIP/2.0/UDP 128.136.166.107:5060;branch=z9hG4bK5de.ba075106.0
246. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKN4tvy7vHF7jcS
247. Max-Forwards: 69
248. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
249. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>
250. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
251. CSeq: 105763668 INVITE
252. Contact: <sip:gw+twiliotrunk@192.168.100.104:5060;transport=udp;gw=twiliotrunk>
253. User-Agent: FreeSWITCH-mod_sofia/1.6.15-32-bec4538~64bit
254. Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
255. Supported: timer, path, replaces
256. Allow-Events: talk, hold, conference, refer
257. Proxy-Authorization: Digest username="dev-freeswitch01", realm="sip.twilio.com", nonce="4DL0Pa4pmeYYNxvwsIb7TkEkq4k_YZB1kQFw1ZEPXIUyuShy", cnonce="h69xgpvuEjW/cABQVq4T3w", opaque="b0fa41ace6a6ba38df656e0b99fbb925", algorithm=
258. 5, uri="sip:+17274519789@sven-test-trunk.pstn.twilio.com", response="874368f8686d2049f52915a3291ae1f3", qop=auth, nc=00000001
259. Content-Type: application/sdp
260. Content-Disposition: session
261. Content-Length: 799
262. X-FS-Support: update_display,send_info
263. Remote-Party-ID: "Stratus" <sip:7277777020@sven-test-trunk.pstn.twilio.com>;party=calling;screen=yes;privacy=off
264.  
265. v=0
266. o=FreeSWITCH 1492182600 1492182601 IN IP4 128.136.166.107
267. s=FreeSWITCH
268. c=IN IP4 128.136.166.107
269. t=0 0
270. m=audio 61850 RTP/AVP 0 8 102 9 101 105
271. a=rtpmap:0 PCMU/8000
272. a=rtpmap:8 PCMA/8000
273. a=rtpmap:102 opus/48000/2
274. a=fmtp:102 useinbandfec=1; maxaveragebitrate=30000; maxplaybackrate=48000; ptime=20; minptime=10; maxptime=40
275. a=rtpmap:9 G722/8000
276. a=rtpmap:101 telephone-event/8000
277. a=fmtp:101 0-16
278. a=rtpmap:105 telephone-event/48000
279. a=fmtp:105 0-16
280. a=ptime:20
281. m=video 52228 RTP/AVP 103 104
282. b=AS:512
283. a=rtpmap:103 VP8/90000
284. a=fmtp:103 true
285. a=rtpmap:104 H264/90000
286. a=fmtp:104 true
287. a=rtcp-fb:103 ccm fir
288. a=rtcp-fb:103 ccm tmmbr
289. a=rtcp-fb:103 nack
290. a=rtcp-fb:103 nack pli
291. a=rtcp-fb:104 ccm fir
292. a=rtcp-fb:104 ccm tmmbr
293. a=rtcp-fb:104 nack
294. a=rtcp-fb:104 nack pli
295. a=nortpproxy:yes
296.  
297. 2017/04/14 19:51:02.286448 54.172.60.3:5060 -> 192.168.100.107:5060
298. SIP/2.0 100 Giving a try
299. Via: SIP/2.0/UDP 128.136.166.107:5060;received=128.136.166.107;rport=5060;branch=z9hG4bK5de.ba075106.0
300. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKN4tvy7vHF7jcS
301. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
302. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>
303. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
304. CSeq: 105763668 INVITE
305. Server: Twilio Gateway
306. Content-Length: 0
307.  
308.  
309. 2017/04/14 19:51:02.918846 54.172.60.3:5060 -> 192.168.100.107:5060
310. SIP/2.0 180 Ringing
311. CSeq: 105763668 INVITE
312. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
313. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
314. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=99057056_6772d868_506a9ffb-fb32-48b4-80fe-d2da2d7f09f4
315. Via: SIP/2.0/UDP 128.136.166.107:5060;rport=5060;received=128.136.166.107;branch=z9hG4bK5de.ba075106.0
316. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKN4tvy7vHF7jcS
317. Record-Route: <sip:54.172.60.3:5060;lr;ftag=B74m4eD4SpQBN;twnat=sip:128.136.166.107:5060>
318. Record-Route: <sip:128.136.166.107:5060;r2=on;lr;did=877.cb67b465>
319. Record-Route: <sip:192.168.100.107:5050;r2=on;lr;did=877.cb67b465>
320. Server: Twilio
321. Contact: <sip:172.18.13.62:5060>
322. X-Twilio-CallSid: CA3d12388f9d73d86c5148e41f0ce582e8
323. Content-Length: 0
324.  
325. 2017/04/14 19:51:02.919281 192.168.100.107:5050 -> 192.168.100.104:5060
326. SIP/2.0 180 Ringing
327. CSeq: 105763668 INVITE
328. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
329. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
330. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=99057056_6772d868_506a9ffb-fb32-48b4-80fe-d2da2d7f09f4
331. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKN4tvy7vHF7jcS
332. Record-Route: <sip:54.172.60.3:5060;lr;ftag=B74m4eD4SpQBN;twnat=sip:128.136.166.107:5060>
333. Record-Route: <sip:128.136.166.107:5060;r2=on;lr;did=877.cb67b465>
334. Record-Route: <sip:192.168.100.107:5050;r2=on;lr;did=877.cb67b465>
335. Server: Twilio
336. Contact: <sip:54.172.60.3:5060>
337. X-Twilio-CallSid: CA3d12388f9d73d86c5148e41f0ce582e8
338. Content-Length: 0
339.  
340.  
341. 2017/04/14 19:51:04.621648 54.172.60.3:5060 -> 192.168.100.107:5060
342. SIP/2.0 200 OK
343. CSeq: 105763668 INVITE
344. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
345. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
346. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=99057056_6772d868_506a9ffb-fb32-48b4-80fe-d2da2d7f09f4
347. Via: SIP/2.0/UDP 128.136.166.107:5060;rport=5060;received=128.136.166.107;branch=z9hG4bK5de.ba075106.0
348. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKN4tvy7vHF7jcS
349. Record-Route: <sip:54.172.60.3:5060;lr;ftag=B74m4eD4SpQBN;twnat=sip:128.136.166.107:5060>
350. Record-Route: <sip:128.136.166.107:5060;r2=on;lr;did=877.cb67b465>
351. Record-Route: <sip:192.168.100.107:5050;r2=on;lr;did=877.cb67b465>
352. Server: Twilio
353. Contact: <sip:172.18.13.62:5060>
354. Content-Type: application/sdp
355. X-Twilio-CallSid: CA3d12388f9d73d86c5148e41f0ce582e8
356. Content-Length: 246
357.  
358. v=0
359. o=- 403637179 403637179 IN IP4 54.172.60.61
360. s=Twilio Media Gateway
361. c=IN IP4 54.172.60.61
362. t=0 0
363. m=audio 14200 RTP/AVP 0 101
364. a=rtpmap:0 PCMU/8000
365. a=rtpmap:101 telephone-event/8000
366. a=fmtp:101 0-15
367. a=maxptime:20
368. a=ptime:20
369. a=sendrecv
370.  
371.  
372. 2017/04/14 19:51:04.622774 192.168.100.107:5050 -> 192.168.100.104:5060
373. SIP/2.0 200 OK
374. CSeq: 105763668 INVITE
375. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
376. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
377. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=99057056_6772d868_506a9ffb-fb32-48b4-80fe-d2da2d7f09f4
378. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKN4tvy7vHF7jcS
379. Record-Route: <sip:54.172.60.3:5060;lr;ftag=B74m4eD4SpQBN;twnat=sip:128.136.166.107:5060>
380. Record-Route: <sip:128.136.166.107:5060;r2=on;lr;did=877.cb67b465>
381. Record-Route: <sip:192.168.100.107:5050;r2=on;lr;did=877.cb67b465>
382. Server: Twilio
383. Contact: <sip:54.172.60.3:5060>
384. Content-Type: application/sdp
385. X-Twilio-CallSid: CA3d12388f9d73d86c5148e41f0ce582e8
386. Content-Length: 270
387.  
388. v=0
389. o=- 403637179 403637179 IN IP4 192.168.100.107
390. s=Twilio Media Gateway
391. c=IN IP4 192.168.100.107
392. t=0 0
393. m=audio 45798 RTP/AVP 0 101
394. a=rtpmap:0 PCMU/8000
395. a=rtpmap:101 telephone-event/8000
396. a=fmtp:101 0-15
397. a=maxptime:20
398. a=ptime:20
399. a=sendrecv
400. a=nortpproxy:yes
401.  
402. 2017/04/14 19:51:04.624568 192.168.100.104:5060 -> 192.168.100.107:5050
403. ACK sip:54.172.60.3:5060 SIP/2.0
404. Via: SIP/2.0/UDP 192.168.100.104;rport;branch=z9hG4bKQpDe2Xyr9rZHg
405. Route: <sip:192.168.100.107:5050;r2=on;lr;did=877.cb67b465>
406. Route: <sip:128.136.166.107:5060;r2=on;lr;did=877.cb67b465>
407. Route: <sip:54.172.60.3:5060;lr;ftag=B74m4eD4SpQBN;twnat=sip:128.136.166.107:5060>
408. Max-Forwards: 70
409. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
410. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=99057056_6772d868_506a9ffb-fb32-48b4-80fe-d2da2d7f09f4
411. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
412. CSeq: 105763668 ACK
413. Contact: <sip:gw+twiliotrunk@192.168.100.104:5060;transport=udp;gw=twiliotrunk>
414. Proxy-Authorization: Digest username="dev-freeswitch01", realm="sip.twilio.com", nonce="4DL0Pa4pmeYYNxvwsIb7TkEkq4k_YZB1kQFw1ZEPXIUyuShy", cnonce="h69xgpvuEjW/cABQVq4T3w", opaque="b0fa41ace6a6ba38df656e0b99fbb925", algorithm=
415. 5, uri="sip:+17274519789@sven-test-trunk.pstn.twilio.com", response="874368f8686d2049f52915a3291ae1f3", qop=auth, nc=00000001
416. Content-Length: 0
417.  
418.  
419. 2017/04/14 19:51:04.624805 192.168.100.107:5060 -> 54.172.60.3:5060
420. ACK sip:54.172.60.3:5060 SIP/2.0
421. Via: SIP/2.0/UDP 128.136.166.107:5060;branch=z9hG4bK5de.ba075106.2
422. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKQpDe2Xyr9rZHg
423. Route: <sip:54.172.60.3:5060;lr;ftag=B74m4eD4SpQBN;twnat=sip:128.136.166.107:5060>
424. Max-Forwards: 69
425. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
426. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=99057056_6772d868_506a9ffb-fb32-48b4-80fe-d2da2d7f09f4
427. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
428. CSeq: 105763668 ACK
429. Contact: <sip:gw+twiliotrunk@192.168.100.104:5060;transport=udp;gw=twiliotrunk>
430. Proxy-Authorization: Digest username="dev-freeswitch01", realm="sip.twilio.com", nonce="4DL0Pa4pmeYYNxvwsIb7TkEkq4k_YZB1kQFw1ZEPXIUyuShy", cnonce="h69xgpvuEjW/cABQVq4T3w", opaque="b0fa41ace6a6ba38df656e0b99fbb925", algorithm=
431. 5, uri="sip:+17274519789@sven-test-trunk.pstn.twilio.com", response="874368f8686d2049f52915a3291ae1f3", qop=auth, nc=00000001
432. Content-Length: 0
433.  
434.  
435. 2017/04/14 19:51:05.121318 54.172.60.3:5060 -> 192.168.100.107:5060
436. SIP/2.0 200 OK
437. CSeq: 105763668 INVITE
438. Call-ID: 87a8305f-9bee-1235-70bf-005056ae13df
439. From: "Stratus" <sip:dev-freeswitch01@sven-test-trunk.pstn.twilio.com>;tag=B74m4eD4SpQBN
440. To: <sip:+17274519789@sven-test-trunk.pstn.twilio.com>;tag=99057056_6772d868_506a9ffb-fb32-48b4-80fe-d2da2d7f09f4
441. Via: SIP/2.0/UDP 128.136.166.107:5060;rport=5060;received=128.136.166.107;branch=z9hG4bK5de.ba075106.0
442. Via: SIP/2.0/UDP 192.168.100.104;received=192.168.100.104;rport=5060;branch=z9hG4bKN4tvy7vHF7jcS
443. Record-Route: <sip:54.172.60.3:5060;lr;ftag=B74m4eD4SpQBN;twnat=sip:128.136.166.107:5060>
444. Record-Route: <sip:128.136.166.107:5060;r2=on;lr;did=877.cb67b465>
445. Record-Route: <sip:192.168.100.107:5050;r2=on;lr;did=877.cb67b465>
446. Server: Twilio
447. Contact: <sip:172.18.13.62:5060>
448. Content-Type: application/sdp
449. X-Twilio-CallSid: CA3d12388f9d73d86c5148e41f0ce582e8
450. Content-Length: 246
451.  
452. v=0
453. o=- 403637179 403637179 IN IP4 54.172.60.61
454. s=Twilio Media Gateway
455. c=IN IP4 54.172.60.61
456. t=0 0
457. m=audio 14200 RTP/AVP 0 101
458. a=rtpmap:0 PCMU/8000
459. a=rtpmap:101 telephone-event/8000
460. a=fmtp:101 0-15
461. a=maxptime:20
462. a=ptime:20
463. a=sendrecv
464.  
465. (retransmitted 200OK from Twilio continues...)