1. Prior to enabling mod_av - SDP as below
2. Local SDP:
3. v=0
4. o=FreeSWITCH 1527953490 1527953491 IN IP4 10.113.8.213
5. s=FreeSWITCH
6. c=IN IP4 10.113.8.213
7. t=0 0
8. m=audio 20064 RTP/AVP 102 9 0 8 103 101
9. a=rtpmap:102 opus/48000/2
10. a=fmtp:102 useinbandfec=1; maxaveragebitrate=30000; maxplaybackrate=48000; ptime=20; minptime=10; maxptime=40; stereo=1
11. a=rtpmap:9 G722/8000
12. a=rtpmap:0 PCMU/8000
13. a=rtpmap:8 PCMA/8000
14. a=rtpmap:103 telephone-event/48000
15. a=fmtp:103 0-16
16. a=rtpmap:101 telephone-event/8000
17. a=fmtp:101 0-16
18. a=ptime:20
19. a=sendrecv
20. m=video 29292 RTP/AVP 96 98
21. b=AS:10240
22. a=rtpmap:96 VP8/90000
23. a=rtpmap:98 VP9/90000
24. a=rtcp-fb:96 ccm fir
25. a=rtcp-fb:96 ccm tmmbr
26. a=rtcp-fb:96 nack
27. a=rtcp-fb:96 nack pli
28. a=rtcp-fb:98 ccm fir
29. a=rtcp-fb:98 ccm tmmbr
30. a=rtcp-fb:98 nack
31. a=rtcp-fb:98 nack pli
32.  
33.  
34.  
35. after enabling mod_av - SDP becomes
36.  
37. failing invite
38. Local SDP:
39. v=0
40. o=FreeSWITCH 1527945801 1527945802 IN IP4 10.113.8.213
41. s=FreeSWITCH
42. c=IN IP4 10.113.8.213
43. t=0 0
44. m=audio 27414 RTP/AVP 102 9 0 8 103 101
45. a=rtpmap:102 opus/48000/2
46. a=fmtp:102 useinbandfec=1; maxaveragebitrate=30000; maxplaybackrate=48000; ptime=20; minptime=10; maxptime=40; stereo=1
47. a=rtpmap:9 G722/8000
48. a=rtpmap:0 PCMU/8000
49. a=rtpmap:8 PCMA/8000
50. a=rtpmap:103 telephone-event/48000
51. a=fmtp:103 0-16
52. a=rtpmap:101 telephone-event/8000
53. a=fmtp:101 0-16
54. a=ptime:20
55. a=sendrecv
56. m=video 32616 RTP/AVP 96 98 100 102 127 125
57. b=AS:10240
58. a=rtpmap:96 VP8/90000
59. a=rtpmap:98 VP9/90000
60. a=rtpmap:100 H264/90000
61. a=fmtp:100 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
62. a=rtpmap:102 H264/90000
63. a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
64. a=rtpmap:127 H264/90000
65. a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d0032
66. a=rtpmap:125 H264/90000
67. a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640032
68. a=rtcp-fb:96 ccm fir
69. a=rtcp-fb:96 ccm tmmbr
70. a=rtcp-fb:96 nack
71. a=rtcp-fb:96 nack pli
72. a=rtcp-fb:98 ccm fir
73. a=rtcp-fb:98 ccm tmmbr
74. a=rtcp-fb:98 nack
75. a=rtcp-fb:98 nack pli
76. a=rtcp-fb:100 ccm fir
77. a=rtcp-fb:100 ccm tmmbr
78. a=rtcp-fb:100 nack
79. a=rtcp-fb:100 nack pli
80. a=rtcp-fb:102 ccm fir
81. a=rtcp-fb:102 ccm tmmbr
82. a=rtcp-fb:102 nack
83. a=rtcp-fb:102 nack pli
84. a=rtcp-fb:127 ccm fir
85. a=rtcp-fb:127 ccm tmmbr
86. a=rtcp-fb:127 nack
87. a=rtcp-fb:127 nack pli
88. a=rtcp-fb:125 ccm fir
89. a=rtcp-fb:125 ccm tmmbr
90. a=rtcp-fb:125 nack
91. a=rtcp-fb:125 nack pli
92.  
93. The inclusion of H.264 then appears despite not being included in the codec definition in vars.xml
94.  
95.