Hello,

I am using FreeSWITCH version 1.8.7 on Centos 7. I am facing an audio delay on the conference call. Three users are on the conference call.
In the initial time, audio is fine, there was no audio delay but audio delay increasing wisely as call time duration increasing. Below I have mentioned some delay examples which I have faced.

Call Time:       Delay(approx):
00:45             1.02s
02:30             1.10s
04:35             1.25s
07:45             1.60s
10:35             1.80s
15:15             2.60s
21:40             3.60s
27:10             4.25s
30:00             4.30s

I have applied two changes on the FreeSWITCH for the fix this issue, but still, i am facing audio delay issue.
1. set rtp_time_name= none in dialplan
2. set <param name="rtp-autoflush-during-bridge" value="true"/> in sofia settings.

Is there any other solution available to resolve this issue.
Advance Thanks for the help.