1. freeswitch@seven.local> recv 1255 bytes from udp/[192.168.7.7]:63319 at 22:04:47.504199:
2.    ------------------------------------------------------------------------
3.    INVITE sip:ri@192.168.7.7:15060 SIP/2.0
4.    Via: SIP/2.0/UDP 192.168.7.7:63319;branch=z9hG4bK34b565d8713162f0;rport
5.    Contact: <sip:1000-0x7fc0bd42e3d0@192.168.7.7:63319>
6.    Max-Forwards: 70
7.    To: <sip:ri@192.168.7.7:15060>
8.    From: <sip:1000@192.168.7.7:15060>;tag=4a0094f36c330379
9.    Call-ID: 703126742ad3c337
10.    CSeq: 2345 INVITE
11.    User-Agent: baresip v0.5.5 (x86_64/darwin)
12.    Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,REFER,NOTIFY,SUBSCRIBE,INFO,MESSAGE
13.    Supported: gruu
14.    Content-Type: application/sdp
15.    Content-Length: 745
16.  
17.    v=0
18.    o=- 1014124472 1959778312 IN IP4 192.168.7.7
19.    s=-
20.    c=IN IP4 192.168.7.7
21.    t=0 0
22.    a=tool:baresip 0.5.5
23.    m=audio 29518 RTP/AVP 0 8 101
24.    a=rtpmap:0 PCMU/8000
25.    a=rtpmap:8 PCMA/8000
26.    a=rtpmap:101 telephone-event/8000
27.    a=fmtp:101 0-15
28.    a=sendrecv
29.    a=label:1
30.    a=rtcp-rsize
31.    a=ssrc:883534800 cname:sip:1000@192.168.7.7:15060
32.    a=ptime:20
33.    m=video 19160 RTP/AVP 96 34 97 98
34.    a=rtpmap:96 H264/90000
35.    a=fmtp:96 packetization-mode=0;profile-level-id=42801f
36.    a=rtpmap:34 H263/90000
37.    a=fmtp:34 CIF=1;CIF4=1
38.    a=rtpmap:97 MP4V-ES/90000
39.    a=fmtp:97 profile-level-id=3
40.    a=rtpmap:98 H265/90000
41.    a=fmtp:98 profile-id=1
42.    a=sendrecv
43.    a=label:2
44.    a=rtcp-rsize
45.    a=ssrc:1243303656 cname:sip:1000@192.168.7.7:15060
46.    a=framerate:15
47.    a=rtcp-fb:* nack pli
48.    a=content:main
49.    ------------------------------------------------------------------------
50. 2017-11-21 22:04:47.495913 [NOTICE] switch_channel.c:1104 New Channel sofia/internal/1000@192.168.7.7:15060 [42b58342-7d4c-4b36-8a86-8359b6754b36]
51. send 835 bytes to udp/[192.168.7.7]:63319 at 22:04:47.506406:
52.    ------------------------------------------------------------------------
53.    SIP/2.0 407 Proxy Authentication Required
54.    Via: SIP/2.0/UDP 192.168.7.7:63319;branch=z9hG4bK34b565d8713162f0;rport=63319
55.    From: <sip:1000@192.168.7.7:15060>;tag=4a0094f36c330379
56.    To: <sip:ri@192.168.7.7:15060>;tag=jy8NXmXBB9Bym
57.    Call-ID: 703126742ad3c337
58.    CSeq: 2345 INVITE
59.    User-Agent: FreeSWITCH-mod_sofia/1.9.0+git~20171120T212404Z~8fb757ba9d~64bit
60.    Accept: application/sdp
61.    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
62.    Supported: timer, path, replaces
63.    Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer
64.    Proxy-Authenticate: Digest realm="192.168.7.7", nonce="22cad9c6-c68e-4269-ada1-986c673ae180", algorithm=MD5, qop="auth"
65.    Content-Length: 0
66.  
67.    ------------------------------------------------------------------------
68. recv 344 bytes from udp/[192.168.7.7]:63319 at 22:04:47.506726:
69.    ------------------------------------------------------------------------
70.    ACK sip:ri@192.168.7.7:15060 SIP/2.0
71.    Via: SIP/2.0/UDP 192.168.7.7:63319;branch=z9hG4bK34b565d8713162f0;rport
72.    Max-Forwards: 70
73.    To: <sip:ri@192.168.7.7:15060>;tag=jy8NXmXBB9Bym
74.    From: <sip:1000@192.168.7.7:15060>;tag=4a0094f36c330379
75.    Call-ID: 703126742ad3c337
76.    CSeq: 2345 ACK
77.    User-Agent: baresip v0.5.5 (x86_64/darwin)
78.    Content-Length: 0
79.  
80.    ------------------------------------------------------------------------
81. recv 1494 bytes from udp/[192.168.7.7]:63319 at 22:04:47.506854:
82.    ------------------------------------------------------------------------
83.    INVITE sip:ri@192.168.7.7:15060 SIP/2.0
84.    Via: SIP/2.0/UDP 192.168.7.7:63319;branch=z9hG4bK7a8fd562790253ca;rport
85.    Contact: <sip:1000-0x7fc0bd42e3d0@192.168.7.7:63319>
86.    Max-Forwards: 70
87.    Proxy-Authorization: Digest username="1000", realm="192.168.7.7", nonce="22cad9c6-c68e-4269-ada1-986c673ae180", uri="sip:ri@192.168.7.7:15060", response="9e4d99b5be6222e17c97ab4e19531d78", cnonce="350c019f273e88ee", qop=auth, nc=00000001
88.    To: <sip:ri@192.168.7.7:15060>
89.    From: <sip:1000@192.168.7.7:15060>;tag=4a0094f36c330379
90.    Call-ID: 703126742ad3c337
91.    CSeq: 2346 INVITE
92.    User-Agent: baresip v0.5.5 (x86_64/darwin)
93.    Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,REFER,NOTIFY,SUBSCRIBE,INFO,MESSAGE
94.    Supported: gruu
95.    Content-Type: application/sdp
96.    Content-Length: 745
97.  
98.    v=0
99.    o=- 1014124472 1959778312 IN IP4 192.168.7.7
100.    s=-
101.    c=IN IP4 192.168.7.7
102.    t=0 0
103.    a=tool:baresip 0.5.5
104.    m=audio 29518 RTP/AVP 0 8 101
105.    a=rtpmap:0 PCMU/8000
106.    a=rtpmap:8 PCMA/8000
107.    a=rtpmap:101 telephone-event/8000
108.    a=fmtp:101 0-15
109.    a=sendrecv
110.    a=label:1
111.    a=rtcp-rsize
112.    a=ssrc:883534800 cname:sip:1000@192.168.7.7:15060
113.    a=ptime:20
114.    m=video 19160 RTP/AVP 96 34 97 98
115.    a=rtpmap:96 H264/90000
116.    a=fmtp:96 packetization-mode=0;profile-level-id=42801f
117.    a=rtpmap:34 H263/90000
118.    a=fmtp:34 CIF=1;CIF4=1
119.    a=rtpmap:97 MP4V-ES/90000
120.    a=fmtp:97 profile-level-id=3
121.    a=rtpmap:98 H265/90000
122.    a=fmtp:98 profile-id=1
123.    a=sendrecv
124.    a=label:2
125.    a=rtcp-rsize
126.    a=ssrc:1243303656 cname:sip:1000@192.168.7.7:15060
127.    a=framerate:15
128.    a=rtcp-fb:* nack pli
129.    a=content:main
130.    ------------------------------------------------------------------------
131. 2017-11-21 22:04:47.525919 [INFO] mod_dialplan_xml.c:637 Processing 1000 <1000>->ri in context default
132. send 333 bytes to udp/[192.168.7.7]:63319 at 22:04:47.527295:
133.    ------------------------------------------------------------------------
134.    SIP/2.0 100 Trying
135.    Via: SIP/2.0/UDP 192.168.7.7:63319;branch=z9hG4bK7a8fd562790253ca;rport=63319
136.    From: <sip:1000@192.168.7.7:15060>;tag=4a0094f36c330379
137.    To: <sip:ri@192.168.7.7:15060>
138.    Call-ID: 703126742ad3c337
139.    CSeq: 2346 INVITE
140.    User-Agent: FreeSWITCH-mod_sofia/1.9.0+git~20171120T212404Z~8fb757ba9d~64bit
141.    Content-Length: 0
142.  
143.    ------------------------------------------------------------------------
144. 2017-11-21 22:04:47.525919 [NOTICE] switch_channel.c:1104 New Channel sofia/external/1000@192.168.7.7:6666 [dcb6472c-f2f3-4586-9bff-5d0006bac851]
145. send 1182 bytes to udp/[192.168.7.7]:6666 at 22:04:47.530092:
146.    ------------------------------------------------------------------------
147.    INVITE sip:1000@192.168.7.7:6666 SIP/2.0
148.    Via: SIP/2.0/UDP 192.168.7.7:15080;rport;branch=z9hG4bKUHc1Ng2BSpKBS
149.    Max-Forwards: 69
150.    From: "Extension 1000" <sip:1000@192.168.7.7>;tag=BS3ZZpB36XvrN
151.    To: <sip:1000@192.168.7.7:6666>
152.    Call-ID: c6480666-4967-1236-26a1-5ddd8ac19743
153.    CSeq: 115300479 INVITE
154.    Contact: <sip:mod_sofia@192.168.7.7:15080>
155.    User-Agent: FreeSWITCH-mod_sofia/1.9.0+git~20171120T212404Z~8fb757ba9d~64bit
156.    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
157.    Supported: timer, path, replaces
158.    Allow-Events: talk, hold, conference, refer
159.    Content-Type: application/sdp
160.    Content-Disposition: session
161.    Content-Length: 373
162.    X-FS-Support: update_display,send_info
163.    Remote-Party-ID: "Extension 1000" <sip:1000@192.168.7.7>;party=calling;screen=yes;privacy=off
164.  
165.    v=0
166.    o=FreeSWITCH 1511243591 1511243592 IN IP4 192.168.7.7
167.    s=FreeSWITCH
168.    c=IN IP4 192.168.7.7
169.    t=0 0
170.    m=audio 29496 RTP/AVP 8 101
171.    a=rtpmap:8 PCMA/8000
172.    a=rtpmap:101 telephone-event/8000
173.    a=fmtp:101 0-16
174.    a=ptime:20
175.    m=video 24090 RTP/AVP 102
176.    b=AS:1024
177.    a=rtpmap:102 H264/90000
178.    a=rtcp-fb:102 ccm fir
179.    a=rtcp-fb:102 ccm tmmbr
180.    a=rtcp-fb:102 nack
181.    a=rtcp-fb:102 nack pli
182.    ------------------------------------------------------------------------
183. recv 348 bytes from udp/[192.168.7.7]:6666 at 22:04:47.530294:
184.    ------------------------------------------------------------------------
185.    SIP/2.0 180 Ringing
186.    Via: SIP/2.0/UDP 192.168.7.7:15080;rport;branch=z9hG4bKUHc1Ng2BSpKBS
187.    From: "Extension 1000" <sip:1000@192.168.7.7>;tag=BS3ZZpB36XvrN
188.    To: <sip:1000@192.168.7.7:6666>;tag=15604SIPpTag016
189.    Call-ID: c6480666-4967-1236-26a1-5ddd8ac19743
190.    CSeq: 115300479 INVITE
191.    Contact: <sip:192.168.7.7:6666;transport=UDP>
192.    Content-Length: 0
193.  
194.    ------------------------------------------------------------------------
195. recv 658 bytes from udp/[192.168.7.7]:6666 at 22:04:47.530348:
196.    ------------------------------------------------------------------------
197.    SIP/2.0 200 OK
198.    Via: SIP/2.0/UDP 192.168.7.7:15080;rport;branch=z9hG4bKUHc1Ng2BSpKBS
199.    From: "Extension 1000" <sip:1000@192.168.7.7>;tag=BS3ZZpB36XvrN
200.    To: <sip:1000@192.168.7.7:6666>;tag=15604SIPpTag016
201.    Call-ID: c6480666-4967-1236-26a1-5ddd8ac19743
202.    CSeq: 115300479 INVITE
203.    X-1: sip:1000@192.168.7.7
204.    X-2:  <sip:1000@192.168.7.7:6666>
205.    Contact: <sip:192.168.7.7:6666;transport=UDP>
206.    Content-Type: application/sdp
207.    Content-Length:   218
208.  
209.    v=0
210.    o=user1 53655765 2353687637 IN IP4 192.168.7.7
211.    s=-
212.    c=IN IP4 192.168.7.7
213.    t=0 0
214.    m=video 6002 RTP/AVP 102
215.    b=AS:2048
216.    a=rtpmap:102 H264/90000
217.    a=fmtp:102 packetization-mode=0;profile-level-id=42801f
218.    a=sendrecv
219.    ------------------------------------------------------------------------
220. 2017-11-21 22:04:47.525919 [NOTICE] sofia.c:7391 Ring-Ready sofia/external/1000@192.168.7.7:6666!
221. send 387 bytes to udp/[192.168.7.7]:6666 at 22:04:47.532960:
222.    ------------------------------------------------------------------------
223.    ACK sip:192.168.7.7:6666;transport=UDP SIP/2.0
224.    Via: SIP/2.0/UDP 192.168.7.7:15080;rport;branch=z9hG4bKvt5SQBKFpZ9Xm
225.    Max-Forwards: 70
226.    From: "Extension 1000" <sip:1000@192.168.7.7>;tag=BS3ZZpB36XvrN
227.    To: <sip:1000@192.168.7.7:6666>;tag=15604SIPpTag016
228.    Call-ID: c6480666-4967-1236-26a1-5ddd8ac19743
229.    CSeq: 115300479 ACK
230.    Contact: <sip:mod_sofia@192.168.7.7:15080>
231.    Content-Length: 0
232.  
233.    ------------------------------------------------------------------------
234. 2017-11-21 22:04:47.525919 [NOTICE] avcodec.c:1028 codec: id=28 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
235. 2017-11-21 22:04:47.525919 [NOTICE] avcodec.c:1028 codec: id=28 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
236. 2017-11-21 22:04:47.535930 [NOTICE] sofia.c:8419 Channel [sofia/external/1000@192.168.7.7:6666] has been answered
237. 2017-11-21 22:04:47.545922 [NOTICE] mod_sofia.c:2417 Ring-Ready sofia/internal/1000@192.168.7.7:15060!
238. send 836 bytes to udp/[192.168.7.7]:63319 at 22:04:47.548918:
239.    ------------------------------------------------------------------------
240.    SIP/2.0 180 Ringing
241.    Via: SIP/2.0/UDP 192.168.7.7:63319;branch=z9hG4bK7a8fd562790253ca;rport=63319
242.    From: <sip:1000@192.168.7.7:15060>;tag=4a0094f36c330379
243.    To: <sip:ri@192.168.7.7:15060>;tag=K71eZFeF8H2gg
244.    Call-ID: 703126742ad3c337
245.    CSeq: 2346 INVITE
246.    Contact: <sip:ri@192.168.7.7:15060;transport=udp>
247.    User-Agent: FreeSWITCH-mod_sofia/1.9.0+git~20171120T212404Z~8fb757ba9d~64bit
248.    Accept: application/sdp
249.    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
250.    Supported: timer, path, replaces
251.    Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer
252.    Content-Length: 0
253.    Remote-Party-ID: "Outbound Call" <sip:1000@192.168.7.7>;party=calling;privacy=off;screen=no
254.  
255.    ------------------------------------------------------------------------
256. 2017-11-21 22:04:47.545922 [NOTICE] switch_ivr_originate.c:527 Ring Ready sofia/internal/1000@192.168.7.7:15060!
257. 2017-11-21 22:04:47.545922 [NOTICE] avcodec.c:1028 codec: id=28 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
258. 2017-11-21 22:04:47.545922 [NOTICE] avcodec.c:1028 codec: id=28 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
259. 2017-11-21 22:04:47.555889 [INFO] switch_core_media.c:9072 Activating VIDEO RTCP PORT 19161 interval 1000 mux -1
260. 2017-11-21 22:04:47.555889 [NOTICE] sofia_media.c:92 Pre-Answer sofia/internal/1000@192.168.7.7:15060!
261. 2017-11-21 22:04:47.555889 [NOTICE] switch_ivr_originate.c:3664 Channel [sofia/internal/1000@192.168.7.7:15060] has been answered
262. send 1247 bytes to udp/[192.168.7.7]:63319 at 22:04:47.563117:
263.    ------------------------------------------------------------------------
264.    SIP/2.0 200 OK
265.    Via: SIP/2.0/UDP 192.168.7.7:63319;branch=z9hG4bK7a8fd562790253ca;rport=63319
266.    From: <sip:1000@192.168.7.7:15060>;tag=4a0094f36c330379
267.    To: <sip:ri@192.168.7.7:15060>;tag=K71eZFeF8H2gg
268.    Call-ID: 703126742ad3c337
269.    CSeq: 2346 INVITE
270.    Contact: <sip:ri@192.168.7.7:15060;transport=udp>
271.    User-Agent: FreeSWITCH-mod_sofia/1.9.0+git~20171120T212404Z~8fb757ba9d~64bit
272.    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
273.    Supported: timer, path, replaces
274.    Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer
275.    Content-Type: application/sdp
276.    Content-Disposition: session
277.    Content-Length: 317
278.    X-1: sip:1000@192.168.7.7
279.    X-2: <sip:1000@192.168.7.7:6666>
280.    Remote-Party-ID: "Outbound Call" <sip:1000@192.168.7.7>;party=calling;privacy=off;screen=no
281.  
282.    v=0
283.    o=FreeSWITCH 1511250405 1511250406 IN IP4 192.168.7.7
284.    s=FreeSWITCH
285.    c=IN IP4 192.168.7.7
286.    t=0 0
287.    m=audio 0 RTP/AVP 19
288.    m=video 19098 RTP/AVP 96
289.    b=AS:1024
290.    a=rtpmap:96 H264/90000
291.    a=fmtp:96 packetization-mode=0;profile-level-id=42801f
292.    a=rtcp:19099 IN IP4 192.168.7.7
293.    a=rtcp-fb:96 nack
294.    a=rtcp-fb:96 nack pli
295.    ------------------------------------------------------------------------
296. recv 611 bytes from udp/[192.168.7.7]:63319 at 22:04:47.594370:
297.    ------------------------------------------------------------------------
298.    ACK sip:ri@192.168.7.7:15060;transport=udp SIP/2.0
299.    Via: SIP/2.0/UDP 192.168.7.7:63319;branch=z9hG4bK7ee499605211aeb5;rport
300.    Max-Forwards: 70
301.    Proxy-Authorization: Digest username="1000", realm="192.168.7.7", nonce="22cad9c6-c68e-4269-ada1-986c673ae180", uri="sip:ri@192.168.7.7:15060;transport=udp", response="5455d35441caec012bd8677a2486ee2d", cnonce="4f60b27a5565904c", qop=auth, nc=00000002
302.    To: <sip:ri@192.168.7.7:15060>;tag=K71eZFeF8H2gg
303.    From: <sip:1000@192.168.7.7:15060>;tag=4a0094f36c330379
304.    Call-ID: 703126742ad3c337
305.    CSeq: 2346 ACK
306.    User-Agent: baresip v0.5.5 (x86_64/darwin)
307.    Content-Length: 0
308.  
309.    ------------------------------------------------------------------------
310. 2017-11-21 22:04:47.655923 [INFO] avcodec.c:1089 initializing encoder 352x288
311. using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
312. profile Constrained Baseline, level 3.1
313.  
314. freeswitch@seven.local>
315. freeswitch@seven.local>
316. freeswitch@seven.local>
317. freeswitch@seven.local>
318. freeswitch@seven.local>
319. freeswitch@seven.local>
320. freeswitch@seven.local>
321. freeswitch@seven.local>
322. freeswitch@seven.local>
323. freeswitch@seven.local>
324. freeswitch@seven.local>
325. freeswitch@seven.local> recv 589 bytes from udp/[192.168.7.7]:6666 at 22:04:52.535232:
326.    ------------------------------------------------------------------------
327.    INVITE sip:1000@192.168.7.7 SIP/2.0
328.    Via: SIP/2.0/UDP 192.168.7.7:6666;branch=z9hG4bK-15604-6-5
329.    From:  <sip:1000@192.168.7.7:6666>;tag=15604SIPpTag016
330.    To: sip:1000@192.168.7.7
331.    Call-ID: c6480666-4967-1236-26a1-5ddd8ac19743
332.    CSeq: 1 INVITE
333.    Contact: sip:192.168.7.7:6666
334.    Max-Forwards: 10
335.    Content-Type: application/sdp
336.    Content-Length:   242
337.  
338.    v=0
339.    o=user1 53655765 2353687637 IN IP4 192.168.7.7
340.    s=-
341.    c=IN IP4 192.168.7.7
342.    t=0 0
343.    m=audio 6000 RTP/AVP 8
344.    m=video 6002 RTP/AVP 102
345.    b=AS:2048
346.    a=rtpmap:102 H264/90000
347.    a=fmtp:102 packetization-mode=0;profile-level-id=42801f
348.    a=sendrecv
349.    ------------------------------------------------------------------------
350. send 344 bytes to udp/[192.168.7.7]:6666 at 22:04:52.538704:
351.    ------------------------------------------------------------------------
352.    SIP/2.0 100 Trying
353.    Via: SIP/2.0/UDP 192.168.7.7:6666;branch=z9hG4bK-15604-6-5
354.    From:  <sip:1000@192.168.7.7:6666>;tag=15604SIPpTag016
355.    To: <sip:1000@192.168.7.7>;tag=BS3ZZpB36XvrN
356.    Call-ID: c6480666-4967-1236-26a1-5ddd8ac19743
357.    CSeq: 1 INVITE
358.    User-Agent: FreeSWITCH-mod_sofia/1.9.0+git~20171120T212404Z~8fb757ba9d~64bit
359.    Content-Length: 0
360.  
361.    ------------------------------------------------------------------------
362. send 934 bytes to udp/[192.168.7.7]:6666 at 22:04:52.539738:
363.    ------------------------------------------------------------------------
364.    SIP/2.0 200 OK
365.    Via: SIP/2.0/UDP 192.168.7.7:6666;branch=z9hG4bK-15604-6-5
366.    From:  <sip:1000@192.168.7.7:6666>;tag=15604SIPpTag016
367.    To: <sip:1000@192.168.7.7>;tag=BS3ZZpB36XvrN
368.    Call-ID: c6480666-4967-1236-26a1-5ddd8ac19743
369.    CSeq: 1 INVITE
370.    Contact: <sip:mod_sofia@192.168.7.7:15080>
371.    User-Agent: FreeSWITCH-mod_sofia/1.9.0+git~20171120T212404Z~8fb757ba9d~64bit
372.    Accept: application/sdp
373.    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
374.    Supported: timer, path, replaces
375.    Content-Type: application/sdp
376.    Content-Disposition: session
377.    Content-Length: 338
378.  
379.    v=0
380.    o=FreeSWITCH 1511243591 1511243593 IN IP4 192.168.7.7
381.    s=FreeSWITCH
382.    c=IN IP4 192.168.7.7
383.    t=0 0
384.    m=audio 29496 RTP/AVP 8 101
385.    a=rtpmap:8 PCMA/8000
386.    a=rtpmap:101 telephone-event/8000
387.    a=fmtp:101 0-16
388.    a=ptime:20
389.    m=video 24090 RTP/AVP 102
390.    b=AS:1024
391.    a=rtpmap:102 H264/90000
392.    a=fmtp:102 packetization-mode=0;profile-level-id=42801f
393.    ------------------------------------------------------------------------
394. recv 315 bytes from udp/[192.168.7.7]:6666 at 22:04:52.540190:
395.    ------------------------------------------------------------------------
396.    ACK sip:1000@192.168.7.7 SIP/2.0
397.    Via: SIP/2.0/UDP 192.168.7.7:6666;branch=z9hG4bK-15604-6-8
398.    From: <sip:192.168.7.7>;tag=15604SIPpTag016
399.    To: <sip:1000@192.168.7.7>;tag=BS3ZZpB36XvrN
400.    Call-ID: c6480666-4967-1236-26a1-5ddd8ac19743
401.    CSeq: 1 ACK
402.    Contact: sip:192.168.7.7:6666
403.    Max-Forwards: 10
404.    Content-Length: 0
405.  
406.    ------------------------------------------------------------------------
407.