Unknown RTP codec 95 received from '192.168.1.7:36256'

Hi all!

My asterisk system was working fine until a few days ago.
It suddenly start to carry sounds.
I can make internal and external calls but there is no sound both incoming and outgoing calls.
sometimes one-way sometimes two-way sounds cannot be heard.

I dont use NAT. and I dont know what to do at this step. Could you please help me? thanks…

  == Using SIP RTP TOS bits 184
  == Using SIP RTP CoS mark 5
    -- Executing [67202125107676@from-internal:1] Macro("SIP/14-0000001b", "user-callerid,LIMIT,EXTERNAL,") in new stack
    -- Executing [s@macro-user-callerid:1] Set("SIP/14-0000001b", "TOUCH_MONITOR=1467305021.27") in new stack
    -- Executing [s@macro-user-callerid:2] Set("SIP/14-0000001b", "AMPUSER=14") in new stack
    -- Executing [s@macro-user-callerid:3] GotoIf("SIP/14-0000001b", "0?report") in new stack
    -- Executing [s@macro-user-callerid:4] ExecIf("SIP/14-0000001b", "1?Set(REALCALLERIDNUM=14)") in new stack
    -- Executing [s@macro-user-callerid:5] Set("SIP/14-0000001b", "AMPUSER=14") in new stack
    -- Executing [s@macro-user-callerid:6] GotoIf("SIP/14-0000001b", "0?limit") in new stack
    -- Executing [s@macro-user-callerid:7] Set("SIP/14-0000001b", "AMPUSERCIDNAME=14") in new stack
    -- Executing [s@macro-user-callerid:8] GotoIf("SIP/14-0000001b", "0?report") in new stack
    -- Executing [s@macro-user-callerid:9] Set("SIP/14-0000001b", "AMPUSERCID=14") in new stack
    -- Executing [s@macro-user-callerid:10] Set("SIP/14-0000001b", "__DIAL_OPTIONS=tr") in new stack
    -- Executing [s@macro-user-callerid:11] Set("SIP/14-0000001b", "CALLERID(all)="14" <14>") in new stack
    -- Executing [s@macro-user-callerid:12] GotoIf("SIP/14-0000001b", "0?limit") in new stack
    -- Executing [s@macro-user-callerid:13] ExecIf("SIP/14-0000001b", "1?Set(GROUP(concurrency_limit)=14)") in new stack
    -- Executing [s@macro-user-callerid:14] ExecIf("SIP/14-0000001b", "0?Set(CHANNEL(language)=)") in new stack
    -- Executing [s@macro-user-callerid:15] GotoIf("SIP/14-0000001b", "1?continue") in new stack
    -- Goto (macro-user-callerid,s,28)
    -- Executing [s@macro-user-callerid:28] Set("SIP/14-0000001b", "CALLERID(number)=14") in new stack
    -- Executing [s@macro-user-callerid:29] Set("SIP/14-0000001b", "CALLERID(name)=14") in new stack
    -- Executing [s@macro-user-callerid:30] Set("SIP/14-0000001b", "CDR(cnum)=14") in new stack
    -- Executing [s@macro-user-callerid:31] Set("SIP/14-0000001b", "CDR(cnam)=14") in new stack
    -- Executing [s@macro-user-callerid:32] Set("SIP/14-0000001b", "CHANNEL(language)=en") in new stack
    -- Executing [67202125107676@from-internal:2] Set("SIP/14-0000001b", "MOHCLASS=default") in new stack
    -- Executing [67202125107676@from-internal:3] ExecIf("SIP/14-0000001b", "1?Set(TRUNKCIDOVERRIDE=908502999000)") in new stack
    -- Executing [67202125107676@from-internal:4] Set("SIP/14-0000001b", "_NODEST=") in new stack
    -- Executing [67202125107676@from-internal:5] Gosub("SIP/14-0000001b", "sub-record-check,s,1(out,67202125107676,)") in new stack
    -- Executing [s@sub-record-check:1] Set("SIP/14-0000001b", "REC_POLICY_MODE_SAVE=") in new stack
    -- Executing [s@sub-record-check:2] GotoIf("SIP/14-0000001b", "1?check") in new stack
    -- Goto (sub-record-check,s,7)
    -- Executing [s@sub-record-check:7] Set("SIP/14-0000001b", "__MON_FMT=WAV") in new stack
    -- Executing [s@sub-record-check:8] GotoIf("SIP/14-0000001b", "1?next") in new stack
    -- Goto (sub-record-check,s,11)
    -- Executing [s@sub-record-check:11] ExecIf("SIP/14-0000001b", "0?Return()") in new stack
    -- Executing [s@sub-record-check:12] ExecIf("SIP/14-0000001b", "0?Set(__REC_POLICY_MODE=)") in new stack
    -- Executing [s@sub-record-check:13] GotoIf("SIP/14-0000001b", "0?out,1") in new stack
    -- Executing [s@sub-record-check:14] Set("SIP/14-0000001b", "__REC_STATUS=INITIALIZED") in new stack
    -- Executing [s@sub-record-check:15] Set("SIP/14-0000001b", "NOW=1467305021") in new stack
    -- Executing [s@sub-record-check:16] Set("SIP/14-0000001b", "__DAY=30") in new stack
    -- Executing [s@sub-record-check:17] Set("SIP/14-0000001b", "__MONTH=06") in new stack
    -- Executing [s@sub-record-check:18] Set("SIP/14-0000001b", "__YEAR=2016") in new stack
    -- Executing [s@sub-record-check:19] Set("SIP/14-0000001b", "__TIMESTR=20160630-194341") in new stack
    -- Executing [s@sub-record-check:20] Set("SIP/14-0000001b", "__FROMEXTEN=14") in new stack
    -- Executing [s@sub-record-check:21] Set("SIP/14-0000001b", "__CALLFILENAME=out-67202125107676-14-20160630-194341-1467305021.27") in new stack
    -- Executing [s@sub-record-check:22] Goto("SIP/14-0000001b", "out,1") in new stack
    -- Goto (sub-record-check,out,1)
    -- Executing [out@sub-record-check:1] ExecIf("SIP/14-0000001b", "1?Set(__REC_POLICY_MODE=dontcare)") in new stack
    -- Executing [out@sub-record-check:2] GosubIf("SIP/14-0000001b", "0?record,1(exten,67202125107676,14)") in new stack
    -- Executing [out@sub-record-check:3] Return("SIP/14-0000001b", "") in new stack
    -- Executing [67202125107676@from-internal:6] Macro("SIP/14-0000001b", "dialout-trunk,2,67202125107676,,off") in new stack
    -- Executing [s@macro-dialout-trunk:1] Set("SIP/14-0000001b", "DIAL_TRUNK=2") in new stack
    -- Executing [s@macro-dialout-trunk:2] GosubIf("SIP/14-0000001b", "0?sub-pincheck,s,1()") in new stack
    -- Executing [s@macro-dialout-trunk:3] GotoIf("SIP/14-0000001b", "0?disabletrunk,1") in new stack
    -- Executing [s@macro-dialout-trunk:4] Set("SIP/14-0000001b", "DIAL_NUMBER=67202125107676") in new stack
    -- Executing [s@macro-dialout-trunk:5] Set("SIP/14-0000001b", "DIAL_TRUNK_OPTIONS=tr") in new stack
    -- Executing [s@macro-dialout-trunk:6] Set("SIP/14-0000001b", "OUTBOUND_GROUP=OUT_2") in new stack
    -- Executing [s@macro-dialout-trunk:7] GotoIf("SIP/14-0000001b", "1?nomax") in new stack
    -- Goto (macro-dialout-trunk,s,9)
    -- Executing [s@macro-dialout-trunk:9] GotoIf("SIP/14-0000001b", "0?skipoutcid") in new stack
    -- Executing [s@macro-dialout-trunk:10] Set("SIP/14-0000001b", "DIAL_TRUNK_OPTIONS=") in new stack
    -- Executing [s@macro-dialout-trunk:11] Macro("SIP/14-0000001b", "outbound-callerid,2") in new stack
    -- Executing [s@macro-outbound-callerid:1] ExecIf("SIP/14-0000001b", "0?Set(CALLERPRES()=)") in new stack
    -- Executing [s@macro-outbound-callerid:2] ExecIf("SIP/14-0000001b", "0?Set(REALCALLERIDNUM=14)") in new stack
    -- Executing [s@macro-outbound-callerid:3] GotoIf("SIP/14-0000001b", "1?normcid") in new stack
    -- Goto (macro-outbound-callerid,s,6)
    -- Executing [s@macro-outbound-callerid:6] Set("SIP/14-0000001b", "USEROUTCID=") in new stack
    -- Executing [s@macro-outbound-callerid:7] Set("SIP/14-0000001b", "EMERGENCYCID=") in new stack
    -- Executing [s@macro-outbound-callerid:8] Set("SIP/14-0000001b", "TRUNKOUTCID=") in new stack
    -- Executing [s@macro-outbound-callerid:9] GotoIf("SIP/14-0000001b", "1?trunkcid") in new stack
    -- Goto (macro-outbound-callerid,s,14)
    -- Executing [s@macro-outbound-callerid:14] ExecIf("SIP/14-0000001b", "0?Set(CALLERID(all)=)") in new stack
    -- Executing [s@macro-outbound-callerid:15] ExecIf("SIP/14-0000001b", "0?Set(CALLERID(all)=)") in new stack
    -- Executing [s@macro-outbound-callerid:16] ExecIf("SIP/14-0000001b", "1?Set(CALLERID(all)=908502999000)") in new stack
    -- Executing [s@macro-outbound-callerid:17] ExecIf("SIP/14-0000001b", "0?Set(CALLERPRES()=prohib_passed_screen)") in new stack
    -- Executing [s@macro-outbound-callerid:18] Set("SIP/14-0000001b", "CDR(outbound_cnum)=908502999000") in new stack
    -- Executing [s@macro-outbound-callerid:19] Set("SIP/14-0000001b", "CDR(outbound_cnam)=") in new stack
    -- Executing [s@macro-dialout-trunk:12] GosubIf("SIP/14-0000001b", "0?sub-flp-2,s,1()") in new stack
    -- Executing [s@macro-dialout-trunk:13] Set("SIP/14-0000001b", "OUTNUM=67202125107676") in new stack
    -- Executing [s@macro-dialout-trunk:14] Set("SIP/14-0000001b", "custom=SIP/out") in new stack
    -- Executing [s@macro-dialout-trunk:15] ExecIf("SIP/14-0000001b", "0?Set(DIAL_TRUNK_OPTIONS=M(setmusic^default))") in new stack
    -- Executing [s@macro-dialout-trunk:16] ExecIf("SIP/14-0000001b", "0?Set(DIAL_TRUNK_OPTIONS=M(confirm))") in new stack
    -- Executing [s@macro-dialout-trunk:17] Macro("SIP/14-0000001b", "dialout-trunk-predial-hook,") in new stack
    -- Executing [s@macro-dialout-trunk-predial-hook:1] MacroExit("SIP/14-0000001b", "") in new stack
    -- Executing [s@macro-dialout-trunk:18] GotoIf("SIP/14-0000001b", "0?bypass,1") in new stack
    -- Executing [s@macro-dialout-trunk:19] ExecIf("SIP/14-0000001b", "1?Set(CONNECTEDLINE(num,i)=67202125107676)") in new stack
    -- Executing [s@macro-dialout-trunk:20] ExecIf("SIP/14-0000001b", "1?Set(CONNECTEDLINE(name,i)=CID:908502999000)") in new stack
    -- Executing [s@macro-dialout-trunk:21] GotoIf("SIP/14-0000001b", "0?customtrunk") in new stack
    -- Executing [s@macro-dialout-trunk:22] Dial("SIP/14-0000001b", "SIP/out/67202125107676,300,") in new stack
  == Using SIP RTP TOS bits 184
  == Using SIP RTP CoS mark 5
    -- Called SIP/out/67202125107676
    -- SIP/out-0000001c answered SIP/14-0000001b
       > 0x2b0e1c15dc80 -- Probation passed - setting RTP source address to 88.229.144.198:36256
[2016-06-30 19:43:41] NOTICE[15838][C-00000011]: res_rtp_asterisk.c:4364 ast_rtp_read: Unknown RTP codec 95 received from '192.168.1.7:36256'
       > 0x16c472d0 -- Probation passed - setting RTP source address to xx.xxx.xx.xxx:28136
[2016-06-30 19:43:48] WARNING[15285]: chan_sip.c:4024 retrans_pkt: Retransmission timeout reached on transmission KpLqgd7nCZRE3NHIp8ihww.. for seqno 2 (Critical Response) -- See https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions
Packet timed out after 6400ms with no response
[2016-06-30 19:43:48] WARNING[15285]: chan_sip.c:4053 retrans_pkt: Hanging up call KpLqgd7nCZRE3NHIp8ihww.. - no reply to our critical packet (see https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions).
    -- Executing [h@macro-dialout-trunk:1] Macro("SIP/14-0000001b", "hangupcall,") in new stack
    -- Executing [s@macro-hangupcall:1] GotoIf("SIP/14-0000001b", "1?endmixmoncheck") in new stack
    -- Goto (macro-hangupcall,s,9)
    -- Executing [s@macro-hangupcall:9] NoOp("SIP/14-0000001b", "End of MIXMON check") in new stack
    -- Executing [s@macro-hangupcall:10] GotoIf("SIP/14-0000001b", "1?nomeetmemon") in new stack
    -- Goto (macro-hangupcall,s,28)
    -- Executing [s@macro-hangupcall:28] NoOp("SIP/14-0000001b", "End of MEETME check") in new stack
    -- Executing [s@macro-hangupcall:29] GotoIf("SIP/14-0000001b", "1?noautomon") in new stack
    -- Goto (macro-hangupcall,s,34)
    -- Executing [s@macro-hangupcall:34] NoOp("SIP/14-0000001b", "TOUCH_MONITOR_OUTPUT=") in new stack
    -- Executing [s@macro-hangupcall:35] GotoIf("SIP/14-0000001b", "1?noautomon2") in new stack
    -- Goto (macro-hangupcall,s,41)
    -- Executing [s@macro-hangupcall:41] NoOp("SIP/14-0000001b", "MONITOR_FILENAME=") in new stack
    -- Executing [s@macro-hangupcall:42] GotoIf("SIP/14-0000001b", "1?skiprg") in new stack
    -- Goto (macro-hangupcall,s,45)
    -- Executing [s@macro-hangupcall:45] GotoIf("SIP/14-0000001b", "1?skipblkvm") in new stack
    -- Goto (macro-hangupcall,s,48)
    -- Executing [s@macro-hangupcall:48] GotoIf("SIP/14-0000001b", "1?theend") in new stack
    -- Goto (macro-hangupcall,s,50)
    -- Executing [s@macro-hangupcall:50] AGI("SIP/14-0000001b", "hangup.agi") in new stack
    -- Launched AGI Script /var/lib/asterisk/agi-bin/hangup.agi
    -- <SIP/14-0000001b>AGI Script hangup.agi completed, returning 0
    -- Executing [s@macro-hangupcall:51] Hangup("SIP/14-0000001b", "") in new stack
  == Spawn extension (macro-hangupcall, s, 51) exited non-zero on 'SIP/14-0000001b' in macro 'hangupcall'
  == Spawn extension (macro-dialout-trunk, h, 1) exited non-zero on 'SIP/14-0000001b'
  == Spawn extension (macro-dialout-trunk, s, 22) exited non-zero on 'SIP/14-0000001b' in macro 'dialout-trunk'
  == Spawn extension (from-internal, 67202125107676, 6) exited non-zero on 'SIP/14-0000001b'

Try this in your sip trunk with the provider

ignoresdpversion=yes

Hi astbox, thank you for your interest but it didnt work. still same :frowning:

enable rtp debug, let see the audio flow