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Jul 4th, 2012
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  1.  
  2.  
  3. #
  4. U 2012/07/04 12:43:44.845394 192.168.88.13:3072 -> 192.168.88.1:5060
  5. INVITE sip:9013XX3XX6@irock.com SIP/2.0.
  6. Via: SIP/2.0/UDP 192.168.88.13:3072;branch=z9hG4bK-876yixcbuwta;rport.
  7. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  8. To: <sip:9013XX3XX6@irock.com>.
  9. Call-ID: 63c8283ce199-52it9di4soxl.
  10. CSeq: 1 INVITE.
  11. Max-Forwards: 70.
  12. Contact: <sip:9016XX6XX4@192.168.88.13:3072;line=v34pryd6>;reg-id=1.
  13. X-Serialnumber: 000413452240.
  14. P-Key-Flags: resolution="31x13", keys="4".
  15. User-Agent: snom821/8.4.35.
  16. Accept: application/sdp.
  17. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  18. Allow-Events: talk, hold, refer, call-info.
  19. Supported: timer, 100rel, replaces, from-change.
  20. Call-Info: <sip:irock.com>;appearance-index=1.
  21. Session-Expires: 3600;refresher=uas.
  22. Min-SE: 90.
  23. Content-Type: application/sdp.
  24. Content-Length: 451.
  25. .
  26. v=0.
  27. o=root 784342414 784342414 IN IP4 192.168.88.13.
  28. s=call.
  29. c=IN IP4 192.168.88.13.
  30. t=0 0.
  31. m=audio 11104 RTP/AVP 9 18 0 99 3 4 101.
  32. a=crypto:1 AES_CM_128_HMAC_SHA1_32 inline:Q3mAvVcY1cyqXTc5xkdn8RXdgNbPtkcNY6UJUN1W.
  33. a=rtpmap:9 G722/8000.
  34. a=rtpmap:18 G729/8000.
  35. a=fmtp:18 annexb=no.
  36. a=rtpmap:0 PCMU/8000.
  37. a=rtpmap:99 G726-32/8000.
  38. a=rtpmap:3 GSM/8000.
  39. a=rtpmap:4 G723/8000.
  40. a=rtpmap:101 telephone-event/8000.
  41. a=fmtp:101 0-16.
  42. a=ptime:20.
  43. a=sendrecv.
  44.  
  45. #
  46. U 2012/07/04 12:43:44.855393 192.168.88.1:5060 -> 192.168.88.13:3072
  47. SIP/2.0 100 Giving a try.
  48. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-876yixcbuwta;rport=3072.
  49. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  50. To: <sip:9013XX3XX6@irock.com>.
  51. Call-ID: 63c8283ce199-52it9di4soxl.
  52. CSeq: 1 INVITE.
  53. Server: OpenSIPS (1.8.0-notls (x86_64/linux)).
  54. Content-Length: 0.
  55. .
  56.  
  57. #
  58. U 2012/07/04 12:43:44.855393 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  59. INVITE sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b SIP/2.0.
  60. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  61. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  62. Via: SIP/2.0/UDP 99.xx.xx.161;branch=z9hG4bK72a1.81a00db4.0.
  63. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-876yixcbuwta;rport=3072.
  64. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  65. To: <sip:9013XX3XX6@irock.com>.
  66. Call-ID: 63c8283ce199-52it9di4soxl.
  67. CSeq: 1 INVITE.
  68. Max-Forwards: 69.
  69. Contact: <sip:9016XX6XX4@192.168.88.13:3072;line=v34pryd6>;reg-id=1.
  70. X-Serialnumber: 000413452240.
  71. P-Key-Flags: resolution="31x13", keys="4".
  72. User-Agent: snom821/8.4.35.
  73. Accept: application/sdp.
  74. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  75. Allow-Events: talk, hold, refer, call-info.
  76. Supported: timer, 100rel, replaces, from-change.
  77. Call-Info: <sip:irock.com>;appearance-index=1.
  78. Session-Expires: 3600;refresher=uas.
  79. Min-SE: 90.
  80. Content-Type: application/sdp.
  81. Content-Length: 451.
  82. .
  83. v=0.
  84. o=root 784342414 784342414 IN IP4 192.168.88.13.
  85. s=call.
  86. c=IN IP4 192.168.88.13.
  87. t=0 0.
  88. m=audio 11104 RTP/AVP 9 18 0 99 3 4 101.
  89. a=crypto:1 AES_CM_128_HMAC_SHA1_32 inline:Q3mAvVcY1cyqXTc5xkdn8RXdgNbPtkcNY6UJUN1W.
  90. a=rtpmap:9 G722/8000.
  91. a=rtpmap:18 G729/8000.
  92. a=fmtp:18 annexb=no.
  93. a=rtpmap:0 PCMU/8000.
  94. a=rtpmap:99 G726-32/8000.
  95. a=rtpmap:3 GSM/8000.
  96. a=rtpmap:4 G723/8000.
  97. a=rtpmap:101 telephone-event/8000.
  98. a=fmtp:101 0-16.
  99. a=ptime:20.
  100. a=sendrecv.
  101.  
  102. #
  103. U 2012/07/04 12:43:44.985377 50.xx.xx.156:5060 -> 99.xx.xx.161:5060
  104. SIP/2.0 407 Proxy Authentication Required.
  105. Via: SIP/2.0/UDP 99.xx.xx.161;branch=z9hG4bK72a1.81a00db4.0.
  106. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-876yixcbuwta;rport=3072.
  107. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  108. To: <sip:9013XX3XX6@irock.com>;tag=7e5c347f29dfe3a3837b1558d04e62e0.dd38.
  109. Call-ID: 63c8283ce199-52it9di4soxl.
  110. CSeq: 1 INVITE.
  111. Proxy-Authenticate: Digest realm="irock.com", nonce="4ff480ee13d87ff7fde611a93b4d1358c4a824a9", qop="auth".
  112. Server: Aethercommunications SIP Proxy.
  113. Content-Length: 0.
  114. .
  115.  
  116. #
  117. U 2012/07/04 12:43:44.985377 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  118. ACK sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b SIP/2.0.
  119. Via: SIP/2.0/UDP 99.xx.xx.161;branch=z9hG4bK72a1.81a00db4.0.
  120. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  121. Call-ID: 63c8283ce199-52it9di4soxl.
  122. To: <sip:9013XX3XX6@irock.com>;tag=7e5c347f29dfe3a3837b1558d04e62e0.dd38.
  123. CSeq: 1 ACK.
  124. Max-Forwards: 70.
  125. User-Agent: OpenSIPS (1.8.0-notls (x86_64/linux)).
  126. Content-Length: 0.
  127. .
  128.  
  129. #
  130. U 2012/07/04 12:43:44.985377 192.168.88.1:5060 -> 192.168.88.13:3072
  131. SIP/2.0 407 Proxy Authentication Required.
  132. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-876yixcbuwta;rport=3072.
  133. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  134. To: <sip:9013XX3XX6@irock.com>;tag=7e5c347f29dfe3a3837b1558d04e62e0.dd38.
  135. Call-ID: 63c8283ce199-52it9di4soxl.
  136. CSeq: 1 INVITE.
  137. Proxy-Authenticate: Digest realm="irock.com", nonce="4ff480ee13d87ff7fde611a93b4d1358c4a824a9", qop="auth".
  138. Server: Aethercommunications SIP Proxy.
  139. Content-Length: 0.
  140. .
  141.  
  142. #
  143. U 2012/07/04 12:43:45.015373 192.168.88.13:3072 -> 192.168.88.1:5060
  144. ACK sip:9013XX3XX6@irock.com SIP/2.0.
  145. Via: SIP/2.0/UDP 192.168.88.13:3072;branch=z9hG4bK-876yixcbuwta;rport.
  146. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  147. To: <sip:9013XX3XX6@irock.com>;tag=7e5c347f29dfe3a3837b1558d04e62e0.dd38.
  148. Call-ID: 63c8283ce199-52it9di4soxl.
  149. CSeq: 1 ACK.
  150. Max-Forwards: 70.
  151. Contact: <sip:9016XX6XX4@192.168.88.13:3072;line=v34pryd6>;reg-id=1.
  152. Content-Length: 0.
  153. .
  154.  
  155. #
  156. U 2012/07/04 12:43:45.015373 192.168.88.13:3072 -> 192.168.88.1:5060
  157. INVITE sip:9013XX3XX6@irock.com SIP/2.0.
  158. Via: SIP/2.0/UDP 192.168.88.13:3072;branch=z9hG4bK-o3yh0qyf3e35;rport.
  159. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  160. To: <sip:9013XX3XX6@irock.com>.
  161. Call-ID: 63c8283ce199-52it9di4soxl.
  162. CSeq: 2 INVITE.
  163. Max-Forwards: 70.
  164. Contact: <sip:9016XX6XX4@192.168.88.13:3072;line=v34pryd6>;reg-id=1.
  165. X-Serialnumber: 000413452240.
  166. P-Key-Flags: resolution="31x13", keys="4".
  167. User-Agent: snom821/8.4.35.
  168. Accept: application/sdp.
  169. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  170. Allow-Events: talk, hold, refer, call-info.
  171. Supported: timer, 100rel, replaces, from-change.
  172. Call-Info: <sip:irock.com>;appearance-index=1.
  173. Session-Expires: 3600;refresher=uas.
  174. Min-SE: 90.
  175. Proxy-Authorization: Digest username="9016XX6XX4",realm="irock.com",nonce="4ff480ee13d87ff7fde611a93b4d1358c4a824a9",uri="sip:9013XX3XX6@irock.com",qop=auth,nc=00000001,cnonce="371ae0fe",response="a2c0c018405d41294045bfdfee4c3e7b",algorithm=MD5.
  176. Content-Type: application/sdp.
  177. Content-Length: 451.
  178. .
  179. v=0.
  180. o=root 784342414 784342414 IN IP4 192.168.88.13.
  181. s=call.
  182. c=IN IP4 192.168.88.13.
  183. t=0 0.
  184. m=audio 11104 RTP/AVP 9 18 0 99 3 4 101.
  185. a=crypto:1 AES_CM_128_HMAC_SHA1_32 inline:Q3mAvVcY1cyqXTc5xkdn8RXdgNbPtkcNY6UJUN1W.
  186. a=rtpmap:9 G722/8000.
  187. a=rtpmap:18 G729/8000.
  188. a=fmtp:18 annexb=no.
  189. a=rtpmap:0 PCMU/8000.
  190. a=rtpmap:99 G726-32/8000.
  191. a=rtpmap:3 GSM/8000.
  192. a=rtpmap:4 G723/8000.
  193. a=rtpmap:101 telephone-event/8000.
  194. #
  195. U 2012/07/04 12:43:45.015373 192.168.88.1:5060 -> 192.168.88.13:3072
  196. SIP/2.0 100 Giving a try.
  197. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  198. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  199. To: <sip:9013XX3XX6@irock.com>.
  200. Call-ID: 63c8283ce199-52it9di4soxl.
  201. CSeq: 2 INVITE.
  202. Server: OpenSIPS (1.8.0-notls (x86_64/linux)).
  203. Content-Length: 0.
  204. .
  205.  
  206. #
  207. U 2012/07/04 12:43:45.015373 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  208. INVITE sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b SIP/2.0.
  209. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  210. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  211. Via: SIP/2.0/UDP 99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  212. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  213. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  214. To: <sip:9013XX3XX6@irock.com>.
  215. Call-ID: 63c8283ce199-52it9di4soxl.
  216. CSeq: 2 INVITE.
  217. Max-Forwards: 69.
  218. Contact: <sip:9016XX6XX4@192.168.88.13:3072;line=v34pryd6>;reg-id=1.
  219. X-Serialnumber: 000413452240.
  220. P-Key-Flags: resolution="31x13", keys="4".
  221. User-Agent: snom821/8.4.35.
  222. Accept: application/sdp.
  223. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  224. Allow-Events: talk, hold, refer, call-info.
  225. Supported: timer, 100rel, replaces, from-change.
  226. Call-Info: <sip:irock.com>;appearance-index=1.
  227. Session-Expires: 3600;refresher=uas.
  228. Min-SE: 90.
  229. Proxy-Authorization: Digest username="9016XX6XX4",realm="irock.com",nonce="4ff480ee13d87ff7fde611a93b4d1358c4a824a9",uri="sip:9013XX3XX6@irock.com",qop=auth,nc=00000001,cnonce="371ae0fe",response="a2c0c018405d41294045bfdfee4c3e7b",algorithm=MD5.
  230. Content-Type: application/sdp.
  231. Content-Length: 451.
  232. .
  233. v=0.
  234. o=root 784342414 784342414 IN IP4 192.168.88.13.
  235. s=call.
  236. c=IN IP4 192.168.88.13.
  237. t=0 0.
  238. m=audio 11104 RTP/AVP 9 18 0 99 3 4 101.
  239. a=crypto:1 AES_CM_128_HMAC_SHA1_32 inline:Q3mAvVcY1cyqXTc5xkdn8RXdgNbPtkc
  240.  
  241.  
  242.  
  243.  
  244.  
  245.  
  246.  
  247. #
  248. U 2012/07/04 12:43:45.205349 50.xx.xx.156:5060 -> 99.xx.xx.161:5060
  249. INVITE sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b SIP/2.0.
  250. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  251. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  252. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  253. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  254. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  255. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  256. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  257. To: <sip:9013XX3XX6@irock.com>.
  258. Call-ID: 63c8283ce199-52it9di4soxl.
  259. CSeq: 2 INVITE.
  260. Max-Forwards: 68.
  261. Contact: <sip:9016XX6XX4@99.xx.xx.161:5060;line=v34pryd6>;reg-id=1.
  262. X-Serialnumber: 000413452240.
  263. P-Key-Flags: resolution="31x13", keys="4".
  264. User-Agent: snom821/8.4.35.
  265. Accept: application/sdp.
  266. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  267. Allow-Events: talk, hold, refer, call-info.
  268. Supported: timer, 100rel, replaces, from-change.
  269. Call-Info: <sip:irock.com>;appearance-index=1.
  270. Session-Expires: 3600;refresher=uas.
  271. Min-SE: 90.
  272. Content-Type: application/sdp.
  273. Content-Length: 452.
  274. P-hint: route(3)|setflag7,forcerport,fix_contact.
  275. P-hint: inbound->inbound .
  276. P-hint: Route[6]: mediaproxy .
  277. .
  278. v=0.
  279. o=root 784342414 784342414 IN IP4 192.168.88.13.
  280. s=call.
  281. c=IN IP4 173.xx.xx.111.
  282. t=0 0.
  283. m=audio 11034 RTP/AVP 9 18 0 99 3 4 101
  284. #
  285. U 2012/07/04 12:43:45.205349 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  286. SIP/2.0 100 Giving a try.
  287. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  288. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  289. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  290. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  291. To: <sip:9013XX3XX6@irock.com>.
  292. Call-ID: 63c8283ce199-52it9di4soxl.
  293. CSeq: 2 INVITE.
  294. Server: OpenSIPS (1.8.0-notls (x86_64/linux)).
  295. Content-Length: 0.
  296. .
  297.  
  298. #
  299. U 2012/07/04 12:43:45.205349 192.168.88.1:5060 -> 192.168.88.14:3072
  300. INVITE sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b SIP/2.0.
  301. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  302. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  303. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  304. Via: SIP/2.0/UDP 192.168.88.1;branch=z9hG4bK42a1.dcc80001.0.
  305. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  306. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  307. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  308. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  309. To: <sip:9013XX3XX6@irock.com>.
  310. Call-ID: 63c8283ce199-52it9di4soxl.
  311. CSeq: 2 INVITE.
  312. Max-Forwards: 67.
  313. Contact: <sip:9016XX6XX4@99.xx.xx.161:5060;line=v34pryd6>;reg-id=1.
  314. X-Serialnumber: 000413452240.
  315. P-Key-Flags: resolution="31x13", keys="4".
  316. User-Agent: snom821/8.4.35.
  317. Accept: application/sdp.
  318. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  319. Allow-Events: talk, hold, refer, call-info.
  320. Supported: timer, 100rel, replaces, from-change.
  321. Call-Info: <sip:irock.com>;appearance-index=1.
  322. Session-Expires: 3600;refresher=uas.
  323. Min-SE: 90.
  324. Content-Type: application/sdp.
  325. Content-Length: 452.
  326. P-hint: route(3)|setflag7,forcerport,fix_contact.
  327. P-hint: inbound->inbound .
  328. P-hint: Route[6]: mediaproxy .
  329. .
  330. v=0.
  331. o=root 784342414 784342414 IN IP4 192.168.88.13.
  332. s=call.
  333. c=IN IP4 1
  334. #
  335. U 2012/07/04 12:43:45.225347 192.168.88.14:3072 -> 192.168.88.1:5060
  336. SIP/2.0 100 Trying.
  337. Via: SIP/2.0/UDP 192.168.88.1;branch=z9hG4bK42a1.dcc80001.0.
  338. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  339. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  340. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  341. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  342. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  343. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  344. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  345. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  346. Call-ID: 63c8283ce199-52it9di4soxl.
  347. CSeq: 2 INVITE.
  348. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  349. Content-Length: 0.
  350. .
  351.  
  352. #
  353. U 2012/07/04 12:43:45.245344 192.168.88.14:3072 -> 192.168.88.1:5060
  354. SIP/2.0 180 Ringing.
  355. Via: SIP/2.0/UDP 192.168.88.1;branch=z9hG4bK42a1.dcc80001.0.
  356. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  357. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  358. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  359. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  360. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  361. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  362. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  363. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  364. Call-ID: 63c8283ce199-52it9di4soxl.
  365. CSeq: 2 INVITE.
  366. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  367. Require: 100rel.
  368. RSeq: 1.
  369. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  370. Allow-Events: talk, hold, refer, call-info.
  371. Content-Length: 0.
  372. .
  373.  
  374. #
  375. U 2012/07/04 12:43:45.245344 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  376. SIP/2.0 180 Ringing.
  377. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  378. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  379. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  380. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  381. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  382. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  383. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  384. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  385. Call-ID: 63c8283ce199-52it9di4soxl.
  386. CSeq: 2 INVITE.
  387. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  388. Require: 100rel.
  389. RSeq: 1.
  390. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  391. Allow-Events: talk, hold, refer, call-info.
  392. Content-Length: 0.
  393. .
  394.  
  395. #
  396. U 2012/07/04 12:43:45.305337 50.xx.xx.156:5060 -> 99.xx.xx.161:5060
  397. SIP/2.0 180 Ringing.
  398. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  399. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  400. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  401. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  402. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  403. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  404. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  405. Call-ID: 63c8283ce199-52it9di4soxl.
  406. CSeq: 2 INVITE.
  407. Contact: <sip:9013XX3XX6@99.xx.xx.161:5060;line=y0l5nd6b>;reg-id=1.
  408. Require: 100rel.
  409. RSeq: 1.
  410. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  411. Allow-Events: talk, hold, refer, call-info.
  412. Content-Length: 0.
  413. P-hint: Onreply-route - fixcontact .
  414. .
  415.  
  416. #
  417. U 2012/07/04 12:43:45.305337 192.168.88.1:5060 -> 192.168.88.13:3072
  418. SIP/2.0 180 Ringing.
  419. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  420. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  421. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  422. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  423. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  424. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  425. Call-ID: 63c8283ce199-52it9di4soxl.
  426. CSeq: 2 INVITE.
  427. Contact: <sip:9013XX3XX6@99.xx.xx.161:5060;line=y0l5nd6b>;reg-id=1.
  428. Require: 100rel.
  429. RSeq: 1.
  430. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  431. Allow-Events: talk, hold, refer, call-info.
  432. Content-Length: 0.
  433. P-hint: Onreply-route - fixcontact .
  434. .
  435.  
  436.  
  437. #
  438. U 2012/07/04 12:43:45.335333 192.168.88.13:3072 -> 192.168.88.1:5060
  439. PRACK sip:9013XX3XX6@99.xx.xx.161:5060;line=y0l5nd6b SIP/2.0.
  440. Via: SIP/2.0/UDP 192.168.88.13:3072;branch=z9hG4bK-s6r7a4fhayj7;rport.
  441. Route: <sip:192.168.88.1;r2=on;lr>.
  442. Route: <sip:99.xx.xx.161;r2=on;lr>.
  443. Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  444. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  445. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  446. Call-ID: 63c8283ce199-52it9di4soxl.
  447. CSeq: 3 PRACK.
  448. Max-Forwards: 70.
  449. Contact: <sip:9016XX6XX4@192.168.88.13:3072;line=v34pryd6>;reg-id=1.
  450. RAck: 1 2 INVITE.
  451. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  452. Allow-Events: talk, hold, refer, call-info.
  453. Content-Length: 0.
  454. .
  455.  
  456.  
  457.  
  458. #
  459. U 2012/07/04 12:43:45.755281 192.168.88.14:3072 -> 192.168.88.1:5060
  460. SIP/2.0 180 Ringing.
  461. Via: SIP/2.0/UDP 192.168.88.1;branch=z9hG4bK42a1.dcc80001.0.
  462. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  463. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  464. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  465. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  466. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  467. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  468. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  469. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  470. Call-ID: 63c8283ce199-52it9di4soxl.
  471. CSeq: 2 INVITE.
  472. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  473. Require: 100rel.
  474. RSeq: 1.
  475. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  476. Allow-Events: talk, hold, refer, call-info.
  477. Content-Length: 0.
  478. .
  479.  
  480. #
  481. U 2012/07/04 12:43:45.755281 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  482. SIP/2.0 180 Ringing.
  483. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  484. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  485. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  486. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  487. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  488. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  489. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  490. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  491. Call-ID: 63c8283ce199-52it9di4soxl.
  492. CSeq: 2 INVITE.
  493. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  494. Require: 100rel.
  495. RSeq: 1.
  496. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  497. Allow-Events: talk, hold, refer, call-info.
  498. Content-Length: 0.
  499. .
  500.  
  501. #
  502. U 2012/07/04 12:43:45.815273 50.xx.xx.156:5060 -> 99.xx.xx.161:5060
  503. SIP/2.0 180 Ringing.
  504. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  505. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  506. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  507. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  508. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  509. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  510. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  511. Call-ID: 63c8283ce199-52it9di4soxl.
  512. CSeq: 2 INVITE.
  513. Contact: <sip:9013XX3XX6@99.xx.xx.161:5060;line=y0l5nd6b>;reg-id=1.
  514. Require: 100rel.
  515. RSeq: 1.
  516. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  517. Allow-Events: talk, hold, refer, call-info.
  518. Content-Length: 0.
  519. P-hint: Onreply-route - fixcontact .
  520. .
  521.  
  522. #
  523. U 2012/07/04 12:43:45.815273 192.168.88.1:5060 -> 192.168.88.13:3072
  524. SIP/2.0 180 Ringing.
  525. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  526. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  527. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  528. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  529. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  530. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  531. Call-ID: 63c8283ce199-52it9di4soxl.
  532. CSeq: 2 INVITE.
  533. Contact: <sip:9013XX3XX6@99.xx.xx.161:5060;line=y0l5nd6b>;reg-id=1.
  534. Require: 100rel.
  535. RSeq: 1.
  536. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  537. Allow-Events: talk, hold, refer, call-info.
  538. Content-Length: 0.
  539. P-hint: Onreply-route - fixcontact .
  540. .
  541.  
  542.  
  543. #
  544. U 2012/07/04 12:43:46.765155 192.168.88.14:3072 -> 192.168.88.1:5060
  545. SIP/2.0 180 Ringing.
  546. Via: SIP/2.0/UDP 192.168.88.1;branch=z9hG4bK42a1.dcc80001.0.
  547. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  548. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  549. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  550. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  551. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  552. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  553. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  554. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  555. Call-ID: 63c8283ce199-52it9di4soxl.
  556. CSeq: 2 INVITE.
  557. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  558. Require: 100rel.
  559. RSeq: 1.
  560. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  561. Allow-Events: talk, hold, refer, call-info.
  562. Content-Length: 0.
  563. .
  564.  
  565. #
  566. U 2012/07/04 12:43:46.765155 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  567. SIP/2.0 180 Ringing.
  568. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  569. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  570. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  571. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  572. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  573. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  574. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  575. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  576. Call-ID: 63c8283ce199-52it9di4soxl.
  577. CSeq: 2 INVITE.
  578. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  579. Require: 100rel.
  580. RSeq: 1.
  581. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  582. Allow-Events: talk, hold, refer, call-info.
  583. Content-Length: 0.
  584. .
  585.  
  586. #
  587. U 2012/07/04 12:43:46.825148 50.xx.xx.156:5060 -> 99.xx.xx.161:5060
  588. SIP/2.0 180 Ringing.
  589. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  590. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  591. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  592. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  593. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  594. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  595. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  596. Call-ID: 63c8283ce199-52it9di4soxl.
  597. CSeq: 2 INVITE.
  598. Contact: <sip:9013XX3XX6@99.xx.xx.161:5060;line=y0l5nd6b>;reg-id=1.
  599. Require: 100rel.
  600. RSeq: 1.
  601. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  602. Allow-Events: talk, hold, refer, call-info.
  603. Content-Length: 0.
  604. P-hint: Onreply-route - fixcontact .
  605. .
  606.  
  607. #
  608. U 2012/07/04 12:43:46.825148 192.168.88.1:5060 -> 192.168.88.13:3072
  609. SIP/2.0 180 Ringing.
  610. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  611. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  612. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  613. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  614. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  615. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  616. Call-ID: 63c8283ce199-52it9di4soxl.
  617. CSeq: 2 INVITE.
  618. Contact: <sip:9013XX3XX6@99.xx.xx.161:5060;line=y0l5nd6b>;reg-id=1.
  619. Require: 100rel.
  620. RSeq: 1.
  621. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  622. Allow-Events: talk, hold, refer, call-info.
  623. Content-Length: 0.
  624. P-hint: Onreply-route - fixcontact .
  625. .
  626.  
  627.  
  628. #
  629. U 2012/07/04 12:43:47.295089 192.168.88.14:3072 -> 192.168.88.1:5060
  630. SIP/2.0 200 Ok.
  631. Via: SIP/2.0/UDP 192.168.88.1;branch=z9hG4bK42a1.dcc80001.0.
  632. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  633. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  634. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  635. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  636. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  637. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  638. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  639. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  640. Call-ID: 63c8283ce199-52it9di4soxl.
  641. CSeq: 2 INVITE.
  642. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  643. Require: timer.
  644. Session-Expires: 3600;refresher=uas.
  645. User-Agent: snom870/8.4.35.
  646. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  647. Allow-Events: talk, hold, refer, call-info.
  648. Supported: timer, 100rel, replaces, from-change.
  649. Content-Type: application/sdp.
  650. Content-Length: 345.
  651. .
  652. v=0.
  653. o=root 1273790308 1273790309 IN IP4 192.168.88.14.
  654. s=call.
  655. c=IN IP4 192.168.88.14.
  656. t=0 0.
  657. m=audio 60742 RTP/AVP 9 18 0 99 3 101.
  658. a=rtpmap:9 G722/8000.
  659. a=rtpmap:18 G729/8000.
  660. a=fmtp:18 annexb=no.
  661. a=rtpmap:0 PCMU/8000.
  662. a=rtpmap:99 G726-32/8000.
  663. a=rtpmap:3 GSM/8000.
  664. a=rtpmap:101 telephone-event/8000.
  665. a=fmtp:101 0-16.
  666. a=ptime:20.
  667. a=sendrecv.
  668.  
  669. #
  670. U 2012/07/04 12:43:47.295089 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  671. SIP/2.0 200 Ok.
  672. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  673. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  674. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  675. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  676. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  677. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  678. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  679. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  680. Call-ID: 63c8283ce199-52it9di4soxl.
  681. CSeq: 2 INVITE.
  682. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  683. Require: timer.
  684. Session-Expires: 3600;refresher=uas.
  685. User-Agent: snom870/8.4.35.
  686. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  687. Allow-Events: talk, hold, refer, call-info.
  688. Supported: timer, 100rel, replaces, from-change.
  689. Content-Type: application/sdp.
  690. Content-Length: 345.
  691. .
  692. v=0.
  693. o=root 1273790308 1273790309 IN IP4 192.168.88.14.
  694. s=call.
  695. c=IN IP4 192.168.88.14.
  696. t=0 0.
  697. m=audio 60742 RTP/AVP 9 18 0 99 3 101.
  698. a=rtpmap:9 G722/8000.
  699. a=rtpmap:18 G729/8000.
  700. a=fmtp:18 annexb=no.
  701. a=rtpmap:0 PCMU/8000.
  702. a=rtpmap:99 G726-32/8000.
  703. a=rtpmap:3 GSM/8000.
  704. a=rtpmap:101 telephone-event/8000.
  705. a=fmtp:101 0-16.
  706. a=ptime:20.
  707. a=sendrecv.
  708.  
  709. #
  710. U 2012/07/04 12:43:47.365080 50.xx.xx.156:5060 -> 99.xx.xx.161:5060
  711. SIP/2.0 200 Ok.
  712. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  713. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  714. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  715. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  716. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  717. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  718. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  719. Call-ID: 63c8283ce199-52it9di4soxl.
  720. CSeq: 2 INVITE.
  721. Contact: <sip:9013XX3XX6@99.xx.xx.161:5060;line=y0l5nd6b>;reg-id=1.
  722. Require: timer.
  723. Session-Expires: 3600;refresher=uas.
  724. User-Agent: snom870/8.4.35.
  725. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  726. Allow-Events: talk, hold, refer, call-info.
  727. Supported: timer, 100rel, replaces, from-change.
  728. Content-Type: application/sdp.
  729. Content-Length: 346.
  730. P-hint: Onreply-route - fixcontact .
  731. .
  732. v=0.
  733. o=root 1273790308 1273790309 IN IP4 192.168.88.14.
  734. s=call.
  735. c=IN IP4 173.xx.xx.111.
  736. t=0 0.
  737. m=audio 11032 RTP/AVP 9 18 0 99 3 101.
  738. a=rtpmap:9 G722/8000.
  739. a=rtpmap:18 G729/8000.
  740. a=fmtp:18 annexb=no.
  741. a=rtpmap:0 PCMU/8000.
  742. a=rtpmap:99 G726-32/8000.
  743. a=rtpmap:3 GSM/8000.
  744. a=rtpmap:101 telephone-event/8000.
  745. a=fmtp:101 0-16.
  746. a=ptime:20.
  747. a=sendrecv.
  748.  
  749. #
  750. U 2012/07/04 12:43:47.365080 192.168.88.1:5060 -> 192.168.88.13:3072
  751. SIP/2.0 200 Ok.
  752. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  753. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  754. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  755. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  756. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  757. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  758. Call-ID: 63c8283ce199-52it9di4soxl.
  759. CSeq: 2 INVITE.
  760. Contact: <sip:9013XX3XX6@99.xx.xx.161:5060;line=y0l5nd6b>;reg-id=1.
  761. Require: timer.
  762. Session-Expires: 3600;refresher=uas.
  763. User-Agent: snom870/8.4.35.
  764. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  765. Allow-Events: talk, hold, refer, call-info.
  766. Supported: timer, 100rel, replaces, from-change.
  767. Content-Type: application/sdp.
  768. Content-Length: 346.
  769. P-hint: Onreply-route - fixcontact .
  770. .
  771. v=0.
  772. o=root 1273790308 1273790309 IN IP4 192.168.88.14.
  773. s=call.
  774. c=IN IP4 173.xx.xx.111.
  775. t=0 0.
  776. m=audio 11032 RTP/AVP 9 18 0 99 3 101.
  777. a=rtpmap:9 G722/8000.
  778. a=rtpmap:18 G729/8000.
  779. a=fmtp:18 annexb=no.
  780. a=rtpmap:0 PCMU/8000.
  781. a=rtpmap:99 G726-32/8000.
  782. a=rtpmap:3 GSM/8000.
  783. a=rtpmap:101 telephone-event/8000.
  784. a=fmtp:101 0-16.
  785. a=ptime:20.
  786. a=sendrecv.
  787.  
  788.  
  789.  
  790. #
  791. U 2012/07/04 12:43:47.395077 192.168.88.13:3072 -> 192.168.88.1:5060
  792. ACK sip:9013XX3XX6@99.xx.xx.161:5060;line=y0l5nd6b SIP/2.0.
  793. Via: SIP/2.0/UDP 192.168.88.13:3072;branch=z9hG4bK-ue2q7w8fj6w3;rport.
  794. Route: <sip:192.168.88.1;r2=on;lr>.
  795. Route: <sip:99.xx.xx.161;r2=on;lr>.
  796. Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  797. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  798. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  799. Call-ID: 63c8283ce199-52it9di4soxl.
  800. CSeq: 2 ACK.
  801. Max-Forwards: 70.
  802. Contact: <sip:9016XX6XX4@192.168.88.13:3072;line=v34pryd6>;reg-id=1.
  803. Content-Length: 0.
  804. .
  805.  
  806. #
  807. U 2012/07/04 12:43:47.395077 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  808. ACK sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6 SIP/2.0.
  809. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  810. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  811. Via: SIP/2.0/UDP 99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.2.
  812. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-ue2q7w8fj6w3;rport=3072.
  813. Route: <sip:99.xx.xx.161;r2=on;lr>.
  814. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  815. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  816. Call-ID: 63c8283ce199-52it9di4soxl.
  817. CSeq: 2 ACK.
  818. Max-Forwards: 69.
  819. Contact: <sip:9016XX6XX4@192.168.88.13:3072;line=v34pryd6>;reg-id=1.
  820. Content-Length: 0.
  821. .
  822.  
  823. #
  824. U 2012/07/04 12:43:47.455069 50.xx.xx.156:5060 -> 99.xx.xx.161:5060
  825. ACK sip:99.xx.xx.161;r2=on;lr SIP/2.0.
  826. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes>.
  827. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  828. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  829. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.2.
  830. Via: SIP/2.0/UDP 99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.2.
  831. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-ue2q7w8fj6w3;rport=3072.
  832. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  833. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  834. Call-ID: 63c8283ce199-52it9di4soxl.
  835. CSeq: 2 ACK.
  836. Max-Forwards: 68.
  837. Contact: <sip:9016XX6XX4@192.168.88.13:3072;line=v34pryd6>;reg-id=1.
  838. Content-Length: 0.
  839. .
  840.  
  841. #
  842. U 2012/07/04 12:43:47.455069 99.xx.xx.161:5060 -> 99.xx.xx.161:5060
  843. ACK sip:99.xx.xx.161;r2=on;lr SIP/2.0.
  844. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes>.
  845. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  846. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  847. Via: SIP/2.0/UDP 99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.2.
  848. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.2.
  849. Via: SIP/2.0/UDP 99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.2.
  850. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-ue2q7w8fj6w3;rport=3072.
  851. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  852. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  853. Call-ID: 63c8283ce199-52it9di4soxl.
  854. CSeq: 2 ACK.
  855. Max-Forwards: 67.
  856. Contact: <sip:9016XX6XX4@192.168.88.13:3072;line=v34pryd6>;reg-id=1.
  857. Content-Length: 0.
  858. .
  859.  
  860.  
  861.  
  862. #
  863. U 2012/07/04 12:43:47.805025 192.168.88.14:3072 -> 192.168.88.1:5060
  864. SIP/2.0 200 Ok.
  865. Via: SIP/2.0/UDP 192.168.88.1;branch=z9hG4bK42a1.dcc80001.0.
  866. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  867. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  868. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  869. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  870. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  871. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  872. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  873. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  874. Call-ID: 63c8283ce199-52it9di4soxl.
  875. CSeq: 2 INVITE.
  876. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  877. Require: timer.
  878. Session-Expires: 3600;refresher=uas.
  879. User-Agent: snom870/8.4.35.
  880. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  881. Allow-Events: talk, hold, refer, call-info.
  882. Supported: timer, 100rel, replaces, from-change.
  883. Content-Type: application/sdp.
  884. Content-Length: 345.
  885. .
  886. v=0.
  887. o=root 1273790308 1273790309 IN IP4 192.168.88.14.
  888. s=call.
  889. c=IN IP4 192.168.88.14.
  890. t=0 0.
  891. m=audio 60742 RTP/AVP 9 18 0 99 3 101.
  892. a=rtpmap:9 G722/8000.
  893. a=rtpmap:18 G729/8000.
  894. a=fmtp:18 annexb=no.
  895. a=rtpmap:0 PCMU/8000.
  896. a=rtpmap:99 G726-32/8000.
  897. a=rtpmap:3 GSM/8000.
  898. a=rtpmap:101 telephone-event/8000.
  899. a=fmtp:101 0-16.
  900. a=ptime:20.
  901. a=sendrecv.
  902.  
  903. #
  904. U 2012/07/04 12:43:47.805025 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  905. SIP/2.0 200 Ok.
  906. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  907. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  908. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  909. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  910. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  911. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  912. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  913. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  914. Call-ID: 63c8283ce199-52it9di4soxl.
  915. CSeq: 2 INVITE.
  916. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  917. Require: timer.
  918. Session-Expires: 3600;refresher=uas.
  919. User-Agent: snom870/8.4.35.
  920. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  921. Allow-Events: talk, hold, refer, call-info.
  922. Supported: timer, 100rel, replaces, from-change.
  923. Content-Type: application/sdp.
  924. Content-Length: 345.
  925. .
  926. v=0.
  927. o=root 1273790308 1273790309 IN IP4 192.168.88.14.
  928. s=call.
  929. c=IN IP4 192.168.88.14.
  930. t=0 0.
  931. m=audio 60742 RTP/AVP 9 18 0 99 3 101.
  932. a=rtpmap:9 G722/8000.
  933. a=rtpmap:18 G729/8000.
  934. a=fmtp:18 annexb=no.
  935. a=rtpmap:0 PCMU/8000.
  936. a=rtpmap:99 G726-32/8000.
  937. a=rtpmap:3 GSM/8000.
  938. a=rtpmap:101 telephone-event/8000.
  939. a=fmtp:101 0-16.
  940. a=ptime:20.
  941. a=sendrecv.
  942.  
  943. #
  944. U 2012/07/04 12:43:48.814900 192.168.88.14:3072 -> 192.168.88.1:5060
  945. SIP/2.0 200 Ok.
  946. Via: SIP/2.0/UDP 192.168.88.1;branch=z9hG4bK42a1.dcc80001.0.
  947. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  948. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  949. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  950. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  951. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  952. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  953. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  954. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  955. Call-ID: 63c8283ce199-52it9di4soxl.
  956. CSeq: 2 INVITE.
  957. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  958. Require: timer.
  959. Session-Expires: 3600;refresher=uas.
  960. User-Agent: snom870/8.4.35.
  961. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  962. Allow-Events: talk, hold, refer, call-info.
  963. Supported: timer, 100rel, replaces, from-change.
  964. Content-Type: application/sdp.
  965. Content-Length: 345.
  966. .
  967. v=0.
  968. o=root 1273790308 1273790309 IN IP4 192.168.88.14.
  969. s=call.
  970. c=IN IP4 192.168.88.14.
  971. t=0 0.
  972. m=audio 60742 RTP/AVP 9 18 0 99 3 101.
  973. a=rtpmap:9 G722/8000.
  974. a=rtpmap:18 G729/8000.
  975. a=fmtp:18 annexb=no.
  976. a=rtpmap:0 PCMU/8000.
  977. a=rtpmap:99 G726-32/8000.
  978. a=rtpmap:3 GSM/8000.
  979. a=rtpmap:101 telephone-event/8000.
  980. a=fmtp:101 0-16.
  981. a=ptime:20.
  982. a=sendrecv.
  983.  
  984. #
  985. U 2012/07/04 12:43:48.814900 99.xx.xx.161:5060 -> 50.xx.xx.156:5060
  986. SIP/2.0 200 Ok.
  987. Via: SIP/2.0/UDP 50.xx.xx.156;branch=z9hG4bK42a1.f7a35855.0.
  988. Via: SIP/2.0/UDP 99.xx.xx.161;rport=5060;received=99.xx.xx.161;branch=z9hG4bK42a1.ccc80001.0.
  989. Via: SIP/2.0/UDP 192.168.88.13:3072;received=192.168.88.13;branch=z9hG4bK-o3yh0qyf3e35;rport=3072.
  990. Record-Route: <sip:50.xx.xx.156;lr;ftag=d4xut7i3jx;nat=yes;vst=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;did=0f9.1ddb82a6>.
  991. Record-Route: <sip:99.xx.xx.161;r2=on;lr>.
  992. Record-Route: <sip:192.168.88.1;r2=on;lr>.
  993. From: "1000 - 672-6924" <sip:9016XX6XX4@irock.com>;tag=d4xut7i3jx.
  994. To: <sip:9013XX3XX6@irock.com>;tag=oa8fv1jy2c.
  995. Call-ID: 63c8283ce199-52it9di4soxl.
  996. CSeq: 2 INVITE.
  997. Contact: <sip:9013XX3XX6@192.168.88.14:3072;line=y0l5nd6b>;reg-id=1.
  998. Require: timer.
  999. Session-Expires: 3600;refresher=uas.
  1000. User-Agent: snom870/8.4.35.
  1001. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE.
  1002. Allow-Events: talk, hold, refer, call-info.
  1003. Supported: timer, 100rel, replaces, from-change.
  1004. Content-Type: application/sdp.
  1005. Content-Length: 345.
  1006. .
  1007. v=0.
  1008. o=root 1273790308 1273790309 IN IP4 192.168.88.14.
  1009. s=call.
  1010. c=IN IP4 192.168.88.14.
  1011. t=0 0.
  1012. m=audio 60742 RTP/AVP 9 18 0 99 3 101.
  1013. a=rtpmap:9 G722/8000.
  1014. a=rtpmap:18 G729/8000.
  1015. a=fmtp:18 annexb=no.
  1016. a=rtpmap:0 PCMU/8000.
  1017. a=rtpmap:99 G726-32/8000.
  1018. a=rtpmap:3 GSM/8000.
  1019. a=rtpmap:101 telephone-event/8000.
  1020. a=fmtp:101 0-16.
  1021. a=ptime:20.
  1022. a=sendrecv.
  1023.  
  1024. exit
  1025. 407 received, 140 dropped
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