[Freeswitch-users] Issue: INCOMPATIBLE_DESTINATION / AUDIO RTP REPORTS ERROR [Missing local host]

Sat Nov 14 07:50:37 UTC 2020

I dont know if youre sanitizing ips but the sdp from the 'terminator' has
an ip that isnt in any of the other signalling. Is that what you expect?

79.x.x.x

On Friday, November 6, 2020, Maciej Bylica <mbgatherer at gmail.com> wrote:
> Hi all,
> I am working on 1.10.5 (today's build) with proxy_media=true
configuration set in dialplan config.
> Around 2-3% of total call attempts are CANCELed with
"INCOMPATIBLE_DESTINATION" / "AUDIO RTP REPORTS ERROR: [Missing local
host]" notification.
> I assume that the problem is probably closely connected with codec
negotiation, but in my case (proxy_media=true) FS does forward the packets
onward and endpoints must agree on the same codec to accept the call.
> I have compared all the SIP call flows incoming and outgoing (INVITES,
183) and found no clue.
>
> Some of the important log snippets:
> - the call is CANCELed once FS receives 183 and gets first early media
packets
>
> 8b93b671-b90e-4a0e-aa73-6510a8b9caaf 2020-11-06 19:58:36.832494 [INFO]
switch_ivr_originate.c:3801 Sending early media
> 8b93b671-b90e-4a0e-aa73-6510a8b9caaf 2020-11-06 19:58:36.832494 [DEBUG]
switch_core_media.c:8729 PROXY AUDIO RTP [sofia/outside_1/
4916222112233 at 10.20.30.20] 10.20.30.6:26502->10.20.30.6:26502 codec: 18 ms:
20
> 8b93b671-b90e-4a0e-aa73-6510a8b9caaf 2020-11-06 19:58:36.832494 [ERR]
switch_core_media.c:9669 AUDIO RTP REPORTS ERROR: [Missing local host]
> 8b93b671-b90e-4a0e-aa73-6510a8b9caaf 2020-11-06 19:58:36.832494 [NOTICE]
switch_core_media.c:9670 Hangup
sofia/outside_1/4916222112233 at 10.20.30.20 [CS_EXECUTE]
[INCOMPATIBLE_DESTINATION]
> a0f2b4f7-8ecd-435d-b66e-444e4d2c65e6 2020-11-06 19:58:36.832494 [DEBUG]
switch_ivr_originate.c:3808 sofia/outside_1/4916222112233 at 10.20.30.20 Media
Establishment Failed.
> a0f2b4f7-8ecd-435d-b66e-444e4d2c65e6 2020-11-06 19:58:36.832494 [NOTICE]
switch_ivr_originate.c:3810 Hangup sofia/outside_1/3144917111223344
[CS_CONSUME_MEDIA] [INCOMPATIBLE_DESTINATION]
> 8b93b671-b90e-4a0e-aa73-6510a8b9caaf 2020-11-06 19:58:36.832494 [DEBUG]
switch_ivr_originate.c:3995 Originate Resulted in Error Cause: 88
[INCOMPATIBLE_DESTINATION]
> a0f2b4f7-8ecd-435d-b66e-444e4d2c65e6 2020-11-06 19:58:36.832494 [DEBUG]
switch_channel.c:3565 (sofia/outside_1/3144917111223344) Callstate Change
DOWN -> EARLY
> a0f2b4f7-8ecd-435d-b66e-444e4d2c65e6 2020-11-06 19:58:36.832494 [DEBUG]
sofia.c:7339 sofia/outside_1/3144917111223344 skip receive message
[PROGRESS_EVENT] (channel is hungup already)
> 8b93b671-b90e-4a0e-aa73-6510a8b9caaf 2020-11-06 19:58:36.832494 [INFO]
mod_dptools.c:3631 Originate Failed.  Cause: INCOMPATIBLE_DESTINATION
> a0f2b4f7-8ecd-435d-b66e-444e4d2c65e6 2020-11-06 19:58:36.832494 [DEBUG]
switch_core_media.c:12291 sofia/outside_1/3144917111223344 too late.
>
> - incoming (Originator -> FS) SIP INVITE has following SDP
> v=0
> o=- 1604689110 1604689110 IN IP4 10.20.30.6
> s=-
> c=IN IP4 10.20.30.6
> t=0 0
> m=audio 26502 RTP/AVP 18 0 8 101
> a=rtpmap:18 G729/8000
> a=fmtp:18 annexb=no
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=ptime:20
> a=sendrecv
> a=silenceSupp:off - - - -
>
> - outgoing (FS -> Terminator) SDP of SIP INVITE looks like this (codec
transparent)
> v=0
> o=FreeSWITCH 4241000132 4241000133 IN IP4 10.20.30.20
> s=FreeSWITCH
> c=IN IP4 10.20.30.20
> t=0 0
> m=audio 31034 RTP/AVP 18 0 8 101
> a=rtpmap:18 G729/8000
> a=fmtp:18 annexb=no
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=ptime:20
> a=silenceSupp:off - - - -
>
> - 183 that is received (Terminator -> FS)
> v=0
> o=JOANO_SDP 24930105 0 IN IP4 10.20.30.40
> s=JOANO-SIP
> c=IN IP4 79.133.196.167
> t=0 0
> m=audio 18200 RTP/AVP 8 101
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=silenceSupp:off - - - -
> a=ptime:20
>
> As a result FS tears down the call attempt by sending (FS -> Originator)
>
> SIP/2.0 488 Not Acceptable Here
> Via: SIP/2.0/UDP 10.20.30.10:5060
;received=10.20.30.10;rport=5060;branch=z9hG4bK0609c6993b9c-30-16a290
> Via: SIP/2.0/UDP 10.20.30.2:5060;branch=z9hG4bK5765.136934e2.0
> Max-Forwards: 66
> From: <sip:4916222112233 at 10.20.30.5:5061;user=phone>;tag=b6b8aec94s
> To: <sip:3144917111223344 at 10.20.30.20;user=phone>;tag=DcUe4343Uvj8Q
> Call-ID: 684d5998-d859dd12-ca30a685-551b1244
> CSeq: 1 INVITE
> User-Agent: FreeSWITCH-mod_sofia/1.10.5-release~64bit
> Accept: application/sdp
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE,
REGISTER, REFER, NOTIFY
> Supported: timer, path, replaces
> Allow-Events: talk, hold, conference, refer
> Reason: Q.850;cause=88;text="INCOMPATIBLE_DESTINATION"
> Content-Length: 0
>
> and CANCEL (FS -> Terminator)
> CANCEL sip:3144917111223344 at 10.20.30.30:5060 SIP/2.0
> Via: SIP/2.0/UDP 10.20.30.20:5080;rport;branch=z9hG4bKK01B9mcmpp5jS
> Max-Forwards: 70
> From: <sip:4916222112233 at 10.20.30.20>;tag=g76r9mQeKQN0a
> To: <sip:3144917111223344 at 10.20.30.30:5060>
> Call-ID: e788fdfd-9b04-1239-6881-fc15b4264fc0
> CSeq: 27790763 CANCEL
> Reason: Q.850;cause=88;text="INCOMPATIBLE_DESTINATION"
> Content-Length: 0
>
> Could somebody help me to address the issue I am struggling with ?
>
> Detailed debugging logs and sip signalization might be found here:
> https://pastebin.com/G0sjGiw8 - FS logs
> https://pastebin.com/2Zt6r2mF - SIP logs
>
> Many thanks in advance,
> Maciej
>
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