freeswitch@Sunny-MS-7817> uuid_media_reneg 8e066732-ddc6-40c1-8626-c5b212cd4d90 =G729
2018-09-13 20:02:32.388491 [DEBUG] sofia_glue.c:1295 sofia/internal/1000@172.16.16.163 sending invite version: 1.6.20  64bit
Local SDP:
v=0
o=FreeSWITCH 1536832617 1536832620 IN IP4 172.16.16.163
s=FreeSWITCH
c=IN IP4 172.16.16.163
t=0 0
m=audio 16456 RTP/AVP 18 101
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=sendrecv


+OK Success

freeswitch@Sunny-MS-7817> 2018-09-13 20:02:32.388491 [DEBUG] sofia.c:7084 Channel sofia/internal/1000@172.16.16.163 entering state [calling][0]
2018-09-13 20:02:32.448504 [DEBUG] sofia.c:7084 Channel sofia/internal/1000@172.16.16.163 entering state [completing][200]
2018-09-13 20:02:32.448504 [DEBUG] sofia.c:7094 Remote SDP:
v=0
o=1000 2220 3218 IN IP4 172.16.17.1
s=Talk
c=IN IP4 172.16.17.1
t=0 0
m=audio 7076 RTP/AVP 18 101
a=fmtp:18 annexb=yes
a=rtpmap:101 telephone-event/8000

2018-09-13 20:02:32.468491 [DEBUG] sofia.c:7084 Channel sofia/internal/1000@172.16.16.163 entering state [ready][200]
2018-09-13 20:02:32.468491 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [G729:18:8000:20:8000:1]/[G729:18:8000:20:8000:1]
2018-09-13 20:02:32.468491 [DEBUG] switch_core_media.c:4504 Audio Codec Compare [G729:18:8000:20:8000:1] ++++ is saved as a match
2018-09-13 20:02:32.468491 [DEBUG] switch_core_media.c:4365 Set telephone-event payload to 101@8000
2018-09-13 20:02:32.468491 [DEBUG] switch_core_media.c:4708 Set telephone-event payload to 101@8000
2018-09-13 20:02:32.468491 [DEBUG] switch_core_media.c:4767 sofia/internal/1000@172.16.16.163 Set 2833 dtmf send payload to 101 recv payload to 101
2018-09-13 20:02:32.468491 [DEBUG] switch_core_media.c:6861 Audio params are unchanged for sofia/internal/1000@172.16.16.163.
2018-09-13 20:02:32.488478 [DEBUG] switch_core_media.c:2959 Changing Codec from G722@20ms@16000hz to G729@20ms@8000hz
2018-09-13 20:02:32.528504 [DEBUG] switch_core_media.c:3061 Set Codec sofia/internal/1000@172.16.16.163 G729/8000 20 ms 160 samples 8000 bits 1 channels
2018-09-13 20:02:32.528504 [DEBUG] switch_core_codec.c:123 sofia/internal/1000@172.16.16.163 Original read codec replaced with G729:18


++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

FAILED SCENARIO FOR B LEG
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
freeswitch@Sunny-MS-7817> uuid_media_reneg 6c51c036-0bd1-4dab-b719-d884b36afc59 =G729

+OK Success

2018-09-13 20:08:38.008506 [DEBUG] sofia_glue.c:1295 sofia/internal/1001@172.16.17.2:42878 sending invite version: 1.6.20  64bit
Local SDP:
v=0
o=FreeSWITCH 1536818449 1536818452 IN IP4 172.16.16.163
s=FreeSWITCH
c=IN IP4 172.16.16.163
t=0 0
m=audio 31036 RTP/AVP 9 101
a=rtpmap:9 G722/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=sendrecv

freeswitch@Sunny-MS-7817> 2018-09-13 20:08:38.028505 [DEBUG] sofia.c:7084 Channel sofia/internal/1001@172.16.17.2:42878 entering state [calling][0]
2018-09-13 20:08:38.068504 [DEBUG] sofia.c:7084 Channel sofia/internal/1001@172.16.17.2:42878 entering state [completing][200]
2018-09-13 20:08:38.068504 [DEBUG] sofia.c:7094 Remote SDP:
v=0
o=1001 3392 28 IN IP4 172.16.17.2
s=Talk
c=IN IP4 172.16.17.2
t=0 0
m=audio 7076 RTP/AVP 9 101
a=rtpmap:101 telephone-event/8000

2018-09-13 20:08:38.088504 [DEBUG] sofia.c:7084 Channel sofia/internal/1001@172.16.17.2:42878 entering state [ready][200]
2018-09-13 20:08:38.088504 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [G722:9:8000:20:64000:1]/[G722:9:8000:20:64000:1]
2018-09-13 20:08:38.088504 [DEBUG] switch_core_media.c:4504 Audio Codec Compare [G722:9:8000:20:64000:1] ++++ is saved as a match
2018-09-13 20:08:38.088504 [DEBUG] switch_core_media.c:4365 Set telephone-event payload to 101@8000
2018-09-13 20:08:38.088504 [DEBUG] switch_core_media.c:4708 Set telephone-event payload to 101@8000
2018-09-13 20:08:38.088504 [DEBUG] switch_core_media.c:4767 sofia/internal/1001@172.16.17.2:42878 Set 2833 dtmf send payload to 101 recv payload to 101
2018-09-13 20:08:38.088504 [DEBUG] switch_core_media.c:6861 Audio params are unchanged for sofia/internal/1001@172.16.17.2:42878.