4
pjsua運行在openwrt中，我們使用USB聲卡。
當我們接聽電話時，無論是捕捉還是回放都無法正常工作！
友情提示：我們有使用auddemo測試我的聲卡，recoreding /播放是好的，捕獲ID爲8，播放ID爲1
謝謝~~
pjsip pjsua USB聲卡choopy
是日誌：
11:58:06.357 dlg0xdb687c .Received Request msg ACK/cseq=103 (rdata0xdb3ecc)
11:58:06.360 strm0xe038dc !Start talksprut..
11:58:06.361 speex warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:06.363 alsa_dev.c pb_thread_func: underrun!
11:58:06.587 Master/sound !160 samples reduced, buf_cnt=1888
11:58:06.587 Master/sound Buffer size adjusted from 2048 to 1888 (eff_cnt=1280)
11:58:06.588 alsa_dev.c ca_thread_func: overrun!
11:58:06.756 alsa_dev.c ca_thread_func: overrun!
11:58:06.968 Master/sound 228 samples reduced, buf_cnt=1980
11:58:06.968 Master/sound Buffer size adjusted from 2208 to 1980 (eff_cnt=1280)
11:58:06.968 alsa_dev.c ca_thread_func: overrun!
11:58:06.981 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:07.083 Master/sound 317 samples reduced, buf_cnt=1983
11:58:07.083 alsa_dev.c ca_thread_func: overrun!
11:58:07.098 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:07.321 Master/sound !280 samples reduced, buf_cnt=1703
11:58:07.321 Master/sound Buffer size adjusted from 1983 to 1703 (eff_cnt=1280)
11:58:07.321 alsa_dev.c ca_thread_func: overrun!
11:58:07.493 alsa_dev.c ca_thread_func: overrun!
11:58:07.505 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:07.707 Master/sound !182 samples reduced, buf_cnt=2161
11:58:07.711 alsa_dev.c ca_thread_func: overrun!
11:58:07.506 alsa_dev.c !pb_thread_func: underrun!
11:58:07.936 Master/sound !376 samples reduced, buf_cnt=1785
11:58:07.937 Master/sound Buffer size adjusted from 2161 to 1785 (eff_cnt=1280)
11:58:07.937 alsa_dev.c ca_thread_func: overrun!
11:58:07.950 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:08.001 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:08.099 Master/sound 467 samples reduced, buf_cnt=1958
11:58:08.100 alsa_dev.c ca_thread_func: overrun!
11:58:08.108 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:08.331 Master/sound !390 samples reduced, buf_cnt=1568
11:58:08.332 Master/sound Buffer size adjusted from 1958 to 1568 (eff_cnt=1280)
11:58:08.332 alsa_dev.c ca_thread_func: overrun!
11:58:08.508 alsa_dev.c ca_thread_func: overrun!
11:58:08.521 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:08.574 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:08.677 Master/sound 320 samples reduced, buf_cnt=2208
11:58:08.677 alsa_dev.c ca_thread_func: overrun!
11:58:08.688 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:08.915 Master/sound !499 samples reduced, buf_cnt=2029
11:58:08.915 alsa_dev.c ca_thread_func: overrun!
11:58:09.128 Master/sound 193 samples reduced, buf_cnt=1836
11:58:09.128 Master/sound Buffer size adjusted from 2029 to 1836 (eff_cnt=1280)
11:58:09.129 alsa_dev.c ca_thread_func: overrun!
11:58:09.142 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:09.197 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:09.300 Master/sound 257 samples reduced, buf_cnt=2219
11:58:09.300 alsa_dev.c ca_thread_func: overrun!
11:58:09.308 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:09.309 alsa_dev.c pb_thread_func: underrun!
11:58:09.523 Master/sound !427 samples reduced, buf_cnt=1792
11:58:09.523 Master/sound Buffer size adjusted from 2219 to 1792 (eff_cnt=1280)
11:58:09.523 alsa_dev.c ca_thread_func: overrun!
11:58:09.718 alsa_dev.c ca_thread_func: overrun!
11:58:09.731 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:09.832 Master/sound 297 samples reduced, buf_cnt=2135
11:58:09.833 alsa_dev.c ca_thread_func: overrun!
11:58:09.845 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:10.080 Master/sound !160 samples reduced, buf_cnt=1975
11:58:10.080 Master/sound Buffer size adjusted from 2135 to 1975 (eff_cnt=1280)
11:58:10.080 alsa_dev.c ca_thread_func: overrun!
11:58:10.316 Master/sound 110 samples reduced, buf_cnt=2185
11:58:10.316 alsa_dev.c ca_thread_func: overrun!
11:58:10.329 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:10.427 Master/sound 527 samples reduced, buf_cnt=1978
11:58:10.427 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:10.530 Master/sound 142 samples reduced, buf_cnt=2156
11:58:10.531 alsa_dev.c ca_thread_func: overrun!
11:58:10.538 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:10.768 Master/sound !169 samples reduced, buf_cnt=1987
11:58:10.768 Master/sound Buffer size adjusted from 2156 to 1987 (eff_cnt=1280)
11:58:10.769 alsa_dev.c ca_thread_func: overrun!
11:58:11.004 Master/sound 67 samples reduced, buf_cnt=2240
11:58:11.005 alsa_dev.c ca_thread_func: overrun!
11:58:11.017 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:11.117 Master/sound 439 samples reduced, buf_cnt=2121
11:58:11.118 alsa_dev.c ca_thread_func: overrun!
11:58:11.124 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:11.125 alsa_dev.c pb_thread_func: underrun!
11:58:11.349 Master/sound !162 samples reduced, buf_cnt=1959
11:58:11.349 Master/sound Buffer size adjusted from 2121 to 1959 (eff_cnt=1280)
11:58:11.349 alsa_dev.c ca_thread_func: overrun!
11:58:11.574 Master/sound 39 samples reduced, buf_cnt=2240
11:58:11.575 alsa_dev.c ca_thread_func: overrun!
11:58:11.584 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:11.809 Master/sound !423 samples reduced, buf_cnt=1817
11:58:11.810 Master/sound Buffer size adjusted from 2240 to 1817 (eff_cnt=1280)
11:58:11.810 alsa_dev.c ca_thread_func: overrun!
11:58:11.984 alsa_dev.c ca_thread_func: overrun!
11:58:11.998 speex warning: No playback frame available (your application is buggy and/or got xruns)
11:58:12.106 Master/sound 224 samples reduced, buf_cnt=2233
11:58:12.106 alsa_dev.c ca_thread_func: overrun!
11:58:12.115 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:12.328 Master/sound !295 samples reduced, buf_cnt=1938
11:58:12.329 Master/sound Buffer size adjusted from 2233 to 1938 (eff_cnt=1280)
11:58:12.329 alsa_dev.c ca_thread_func: overrun!
11:58:12.564 Master/sound 31 samples reduced, buf_cnt=2227
11:58:12.565 alsa_dev.c ca_thread_func: overrun!
11:58:12.573 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:12.574 alsa_dev.c pb_thread_func: underrun!
11:58:12.803 Master/sound !368 samples reduced, buf_cnt=1859
11:58:12.804 Master/sound Buffer size adjusted from 2227 to 1859 (eff_cnt=1280)
11:58:12.804 alsa_dev.c ca_thread_func: overrun!
11:58:12.990 alsa_dev.c ca_thread_func: overrun!
11:58:13.002 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:13.223 Master/sound !568 samples reduced, buf_cnt=1931
11:58:13.223 alsa_dev.c ca_thread_func: overrun!
11:58:13.469 Master/sound 416 samples reduced, buf_cnt=1515
11:58:13.469 Master/sound Buffer size adjusted from 1931 to 1515 (eff_cnt=1280)
11:58:13.470 alsa_dev.c ca_thread_func: overrun!
11:58:13.474 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:13.658 alsa_dev.c !ca_thread_func: overrun!
11:58:13.826 alsa_dev.c ca_thread_func: overrun!
11:58:13.833 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:13.834 alsa_dev.c pb_thread_func: underrun!
11:58:14.041 Master/sound !450 samples reduced, buf_cnt=1385
11:58:14.041 Master/sound Buffer size adjusted from 1835 to 1385 (eff_cnt=1280)
11:58:14.041 alsa_dev.c ca_thread_func: overrun!
11:58:14.216 alsa_dev.c ca_thread_func: overrun!
11:58:14.223 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:14.433 Master/sound !169 samples reduced, buf_cnt=1536
11:58:14.434 Master/sound Buffer size adjusted from 1705 to 1536 (eff_cnt=1280)
11:58:14.434 alsa_dev.c ca_thread_func: overrun!
11:58:14.606 alsa_dev.c ca_thread_func: overrun!
11:58:14.613 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:14.843 Master/sound !459 samples reduced, buf_cnt=1397
11:58:14.843 Master/sound Buffer size adjusted from 1856 to 1397 (eff_cnt=1280)
11:58:14.844 alsa_dev.c ca_thread_func: overrun!
11:58:15.023 alsa_dev.c ca_thread_func: overrun!
11:58:15.032 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:15.033 alsa_dev.c pb_thread_func: underrun!
11:58:15.254 Master/sound !454 samples reduced, buf_cnt=1263
11:58:15.254 Master/sound Buffer size adjusted from 1717 to 1263 (eff_cnt=1280)
11:58:15.254 alsa_dev.c ca_thread_func: overrun!
11:58:15.448 alsa_dev.c ca_thread_func: overrun!
11:58:15.455 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:15.636 alsa_dev.c !ca_thread_func: overrun!
11:58:15.808 alsa_dev.c ca_thread_func: overrun!
11:58:15.814 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:16.029 Master/sound !300 samples reduced, buf_cnt=1603
11:58:16.030 Master/sound Buffer size adjusted from 1903 to 1603 (eff_cnt=1280)
11:58:16.030 alsa_dev.c ca_thread_func: overrun!
11:58:16.195 alsa_dev.c ca_thread_func: overrun!
11:58:16.204 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:16.205 alsa_dev.c pb_thread_func: underrun!
11:58:16.429 Master/sound !369 samples reduced, buf_cnt=1554
11:58:16.430 Master/sound Buffer size adjusted from 1923 to 1554 (eff_cnt=1280)
11:58:16.430 alsa_dev.c ca_thread_func: overrun!
11:58:16.609 alsa_dev.c ca_thread_func: overrun!
11:58:16.617 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:16.851 Master/sound !399 samples reduced, buf_cnt=1475
11:58:16.851 Master/sound Buffer size adjusted from 1874 to 1475 (eff_cnt=1280)
11:58:16.852 alsa_dev.c ca_thread_func: overrun!
11:58:17.037 alsa_dev.c ca_thread_func: overrun!
11:58:17.047 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:17.268 Master/sound !461 samples reduced, buf_cnt=1334
11:58:17.268 Master/sound Buffer size adjusted from 1795 to 1334 (eff_cnt=1280)
11:58:17.269 alsa_dev.c ca_thread_func: overrun!
11:58:17.460 alsa_dev.c ca_thread_func: overrun!
11:58:17.469 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:17.470 alsa_dev.c pb_thread_func: underrun!
11:58:17.681 Master/sound !215 samples reduced, buf_cnt=1439
11:58:17.681 Master/sound Buffer size adjusted from 1654 to 1439 (eff_cnt=1280)
11:58:17.682 alsa_dev.c ca_thread_func: overrun!
11:58:17.859 alsa_dev.c ca_thread_func: overrun!
11:58:17.867 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:18.089 Master/sound !350 samples reduced, buf_cnt=1409
11:58:18.089 Master/sound Buffer size adjusted from 1759 to 1409 (eff_cnt=1280)
11:58:18.089 alsa_dev.c ca_thread_func: overrun!
11:58:18.274 alsa_dev.c ca_thread_func: overrun!
11:58:18.284 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:18.511 Master/sound !254 samples reduced, buf_cnt=1475
11:58:18.511 Master/sound Buffer size adjusted from 1729 to 1475 (eff_cnt=1280)
11:58:18.512 alsa_dev.c ca_thread_func: overrun!
11:58:18.514 pjsua_acc.c !Sending 2 bytes keep-alive packet for acc 1 to 211.149.184.241:5060
11:58:18.515 tdta0xe088f8 Destroying txdata raw
11:58:18.689 alsa_dev.c !ca_thread_func: overrun!
11:58:18.701 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:18.881 alsa_dev.c !ca_thread_func: overrun!
11:58:18.888 alsa_dev.c !pb_thread_func: underrun!
11:58:19.105 Master/sound !283 samples reduced, buf_cnt=1832
11:58:19.105 Master/sound Buffer size adjusted from 2115 to 1832 (eff_cnt=1280)
11:58:19.105 alsa_dev.c ca_thread_func: overrun!
11:58:19.114 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:19.342 Master/sound !414 samples reduced, buf_cnt=1418
11:58:19.343 Master/sound Buffer size adjusted from 1832 to 1418 (eff_cnt=1280)
11:58:19.343 alsa_dev.c ca_thread_func: overrun!
11:58:19.517 alsa_dev.c ca_thread_func: overrun!
11:58:19.526 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:19.736 Master/sound !173 samples reduced, buf_cnt=1565
11:58:19.736 Master/sound Buffer size adjusted from 1738 to 1565 (eff_cnt=1280)
11:58:19.736 alsa_dev.c ca_thread_func: overrun!
11:58:19.924 alsa_dev.c ca_thread_func: overrun!
11:58:19.935 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:19.936 alsa_dev.c pb_thread_func: underrun!
11:58:20.115 alsa_dev.c !ca_thread_func: overrun!
11:58:20.132 strm0xe038dc !VAD re-enabled
11:58:20.331 Master/sound !460 samples reduced, buf_cnt=1745
11:58:20.337 Master/sound Buffer size adjusted from 2205 to 1745 (eff_cnt=1280)
11:58:20.337 alsa_dev.c ca_thread_func: overrun!
11:58:20.339 strm0xe038dc !Starting silence
11:58:20.340 speex warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:20.574 Master/sound !387 samples reduced, buf_cnt=1358
11:58:20.574 Master/sound Buffer size adjusted from 1745 to 1358 (eff_cnt=1280)
11:58:20.574 alsa_dev.c ca_thread_func: overrun!
11:58:20.760 alsa_dev.c ca_thread_func: overrun!
11:58:20.762 tsx0xdf545c !Timeout timer event
11:58:20.762 tsx0xdf545c .State changed from Completed to Terminated, event=TIMER
11:58:20.765 tsx0xdf545c Timeout timer event
11:58:20.765 tsx0xdf545c .State changed from Terminated to Destroyed, event=TIMER
11:58:20.766 tdta0xdf43f0 ..Destroying txdata Response msg 200/NOTIFY/cseq=102 (tdta0xdf43f0)
11:58:20.766 tsx0xdf545c Transaction destroyed!
11:58:20.948 alsa_dev.c !ca_thread_func: overrun!
11:58:20.958 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:20.960 alsa_dev.c pb_thread_func: underrun!
11:58:21.187 Master/sound !295 samples reduced, buf_cnt=1383
11:58:21.187 Master/sound Buffer size adjusted from 1678 to 1383 (eff_cnt=1280)
11:58:21.187 alsa_dev.c ca_thread_func: overrun!
11:58:21.378 alsa_dev.c ca_thread_func: overrun!
11:58:21.387 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:21.610 Master/sound !419 samples reduced, buf_cnt=1284
11:58:21.610 Master/sound Buffer size adjusted from 1703 to 1284 (eff_cnt=1280)
11:58:21.612 alsa_dev.c ca_thread_func: overrun!
11:58:21.804 alsa_dev.c ca_thread_func: overrun!
11:58:21.810 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:22.040 Master/sound !168 samples reduced, buf_cnt=1436
11:58:22.040 Master/sound Buffer size adjusted from 1604 to 1436 (eff_cnt=1280)
11:58:22.040 alsa_dev.c ca_thread_func: overrun!
11:58:22.053 alsa_dev.c !pb_thread_func: underrun!
11:58:22.230 alsa_dev.c !ca_thread_func: overrun!
11:58:22.414 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:22.440 alsa_dev.c !ca_thread_func: overrun!
11:58:22.619 alsa_dev.c ca_thread_func: overrun!
11:58:22.805 alsa_dev.c ca_thread_func: overrun!
11:58:22.815 alsa_dev.c !pb_thread_func: underrun!
11:58:23.039 Master/sound !232 samples reduced, buf_cnt=1524
11:58:23.039 Master/sound Buffer size adjusted from 1756 to 1524 (eff_cnt=1280)
11:58:23.039 alsa_dev.c ca_thread_func: overrun!
11:58:23.229 alsa_dev.c ca_thread_func: overrun!
11:58:23.237 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:23.470 Master/sound !341 samples reduced, buf_cnt=1503
11:58:23.470 Master/sound Buffer size adjusted from 1844 to 1503 (eff_cnt=1280)
11:58:23.471 alsa_dev.c ca_thread_func: overrun!
11:58:23.645 alsa_dev.c ca_thread_func: overrun!
11:58:23.652 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:23.860 Master/sound !167 samples reduced, buf_cnt=1656
11:58:23.861 Master/sound Buffer size adjusted from 1823 to 1656 (eff_cnt=1280)
11:58:23.861 alsa_dev.c ca_thread_func: overrun!
11:58:24.049 alsa_dev.c ca_thread_func: overrun!
11:58:24.056 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:24.057 alsa_dev.c pb_thread_func: underrun!
11:58:24.267 Master/sound !166 samples reduced, buf_cnt=1810
11:58:24.267 Master/sound Buffer size adjusted from 1976 to 1810 (eff_cnt=1280)
11:58:24.268 alsa_dev.c ca_thread_func: overrun!
11:58:24.505 Master/sound 450 samples reduced, buf_cnt=1360
11:58:24.505 Master/sound Buffer size adjusted from 1810 to 1360 (eff_cnt=1280)
11:58:24.505 alsa_dev.c ca_thread_func: overrun!
11:58:24.697 alsa_dev.c ca_thread_func: overrun!
11:58:24.708 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:24.883 alsa_dev.c !ca_thread_func: overrun!
11:58:25.121 Master/sound 209 samples reduced, buf_cnt=1791
11:58:25.121 Master/sound Buffer size adjusted from 2000 to 1791 (eff_cnt=1280)
11:58:25.122 alsa_dev.c ca_thread_func: overrun!
11:58:25.132 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:25.133 alsa_dev.c pb_thread_func: underrun!
11:58:25.354 Master/sound !319 samples reduced, buf_cnt=1472
11:58:25.354 Master/sound Buffer size adjusted from 1791 to 1472 (eff_cnt=1280)
11:58:25.354 alsa_dev.c ca_thread_func: overrun!
11:58:25.547 alsa_dev.c ca_thread_func: overrun!
11:58:25.557 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:25.790 Master/sound !320 samples reduced, buf_cnt=1472
11:58:25.791 Master/sound Buffer size adjusted from 1792 to 1472 (eff_cnt=1280)
11:58:25.791 alsa_dev.c ca_thread_func: overrun!
11:58:25.982 alsa_dev.c ca_thread_func: overrun!
11:58:25.990 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:26.218 Master/sound !201 samples reduced, buf_cnt=1591
11:58:26.218 Master/sound Buffer size adjusted from 1792 to 1591 (eff_cnt=1280)
11:58:26.218 alsa_dev.c ca_thread_func: overrun!
11:58:26.419 speex !warning: Auto-filling the buffer (your application is buggy and/or got xruns)
11:58:26.422 alsa_dev.c !ca_thread_func: overrun!
11:58:26.424 alsa_dev.c !pb_thread_func: underrun!
11:58:26.643 Master/sound !275 samples reduced, buf_cnt=1636
11:58:26.644 Master/sound Buffer size adjusted from 1911 to 1636 (eff_cnt=1280)
11:58:26.644 alsa_dev.c ca_thread_func: overrun!
11:58:26.646 sip_endpoint.c !Processing incoming message: Request msg INVITE/cseq=104 (rdata0xdb3ecc)
11:58:26.646 pjsua_core.c .RX 841 bytes Request msg INVITE/cseq=104 (rdata0xdb3ecc) from UDP 211.149.184.241:5060:
INVITE sip:192.168.199.246:30003 SIP/2.0
Via: SIP/2.0/UDP 211.149.184.241:5060;branch=z9hG4bK0ed27c3d;rport
Max-Forwards: 70
From: <sip:[email protected]>;tag=as47643774
To: <sip:[email protected]:30003;ob>;tag=d7d7f583-6390-4a16-9b9c-2f35c8bef97f
Contact: <sip:[email protected]:5060>
Call-ID: [email protected]:5060
CSeq: 104 INVITE
User-Agent: Asterisk PBX 11.7.0
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 238