[asterisk-users] RTCP ports

[Michael]

[Apr 15 11:12:19] ERROR[2624]: rtp.c:2447 ast_rtcp_write_sr: RTCP SR 
transmission error to aaa.bbb.ccc.ddd:37259, rtcp halted Operation not 
permitted
[Apr 15 11:12:23] ERROR[2624]: rtp.c:2447 ast_rtcp_write_sr: RTCP SR 
transmission error to aaa.bbb.ccc.ddd:38563, rtcp halted Operation not 
permitted

What is the specific nature of this traffic?

Despite the above the call still functions.

What is the appropriate FW rules?

Michael