[Freeswitch-users] [Q] nat is not detected, when running freeswitch in docker from local machine.
David Villasmil
david.villasmil.work at gmail.com
Wed Jul 29 17:41:13 UTC 2020
Run the container with —network=host
On Wed, 29 Jul 2020 at 16:35, Ruslan Shevchenko <ruslan at shevchenko.kiev.ua>
wrote:
>
> Hi, colleagues.
>
> I discovered a strange problem when running Freeswitch from docker on the
> local machine,
>
> I have my machine API: 192.168.88.236
> and docker with internal ip. 172.17.0.2. (local_ip_v4)
>
> With the next changes relative to vanilla install:
> valr.xml :
> external_rtp_ip=stun:stun.freeswitch.org - changed to
> external_rtp_ip=192.168.88.236
> external_sip_ip=stun:stun.freeswitch.org - same
>
> autoload_configs/switch.conf.xml --- a narrow set of RTP ports.
>
> sip_profiles:
> internal.xml -- change ext-rtp-ip and ext-sip-ip to 192.168.88.236
> external.xml -- same
>
> Then I trying to run docker from macos which publish ports:
> docker run -d -p 5060:5060/udp -p 5060:5060/tcp -p5061:5061/tcp -p
> 5080:5080/udp -p 5080:5080/tcp -p 5066:5066/tcp -p 7443:7443/tcp -p
> 63535-63635:63535-63635/tcp -p63535-64535:63535-64535/udp -p5555:5555
> -p5050:5050 -p8000:8000 --hostname zaka-voice
> zaka-freeswitch-recognition:0.0.1
>
> And then when I try to call Freeswitch from linphone from the local net, I
> can hear an answer, but looks like IVR on the Freeswitch side not receive
> RTP stream.
>
> I can't understand why.
>
> One hypothesizes -- that FreeSWITCH not determinate existence of
> external_ip as NAT mode (?) and ask the phone to send RTP to 172.17.0.2.
>
> How to verify this? Maybe exists some ideas, how to debug such
> situation behind a sip trace?
>
> Thanks.
>
> P.S. Additional info, if anybody found this interesting:
>
> I.e. I see SIP invite from FreeSWITCH
>
> SIP/2.0 100 Trying
> Via: SIP/2.0/TCP 192.168.88.238:50091
> ;branch=z9hG4bK.rNrD-0O~i;rport=51208;received=172.17.0.1
> From: <sip:1002 at 192.168.88.236>;tag=4bI6NNSIi
> To: "33332220" <sip:33332220 at 192.168.88.236>
> Call-ID: 7At9kxIfv2
> CSeq: 21 INVITE
> User-Agent: FreeSWITCH-mod_sofia/1.10.4-dev-2421-8a5850ff26~64bit
> Content-Length: 0
>
> then Ok and Acc from linphone (which freeswitch see as on 172.17.0.2)
>
> recv 354 bytes from tcp/[172.17.0.1]:51208 at 09:20:26.099724:
> ------------------------------------------------------------------------
> SIP/2.0 200 Ok
> Via: SIP/2.0/TCP 192.168.88.236;branch=z9hG4bK8502eXUvmSKyN
> From: <sip:1002 at 172.17.0.2>;tag=mrr024e5DH57Q
> To: <sip:1002 at 172.17.0.2>;tag=ftaVWOB
> Call-ID: 940c69ac-4c1f-1239-4cb1-0242ac110002
> CSeq: 23453420 NOTIFY
> User-Agent: LinphoneiOS/4.3.1 (iPad Ruslan) LinphoneSDK/4.4.0
> Supported: replaces, outbound, gruu
> Content-Length: 0
>
> recv 640 bytes from tcp/[172.17.0.1]:51208 at 09:20:26.514163:
> ------------------------------------------------------------------------
> ACK sip:33332220 at 192.168.88.236:5060;transport=tcp SIP/2.0
> Via: SIP/2.0/TCP 192.168.88.238:50091;rport;branch=z9hG4bK.iYrbMWTLP
> From: <sip:1002 at 192.168.88.236>;tag=4bI6NNSIi
> To: "33332220" <sip:33332220 at 192.168.88.236>;tag=N1HS4ZZ8atUtK
> CSeq: 21 ACK
> Call-ID: 7At9kxIfv2
> Max-Forwards: 70
> Proxy-Authorization: Digest realm="192.168.88.236",
> nonce="44104e4a-30cb-4277-8c31-61e437b6cbd1", algorithm=MD5,
> username="1002", uri="sip:33332220 at 192.168.88.236",
> response="756a3d3e3a76996988afa09a5544f1d1", cnonce="CWKOLtHm9Z8eVYIm",
> nc=00000001, qop=auth
> User-Agent: LinphoneiOS/4.3.1 (iPad Ruslan) LinphoneSDK/4.4.0
> Content-Length: 0
>
> Then freeswitch not see any activity and says BYE:
> BYE sip:1002 at 172.17.0.1:51208;transport=tcp SIP/2.0
> Via: SIP/2.0/TCP 192.168.88.236;branch=z9hG4bK9etUgrc0H29gH
> Max-Forwards: 70
> From: "33332220" <sip:33332220 at 192.168.88.236>;tag=N1HS4ZZ8atUtK
> To: <sip:1002 at 192.168.88.236>;tag=4bI6NNSIi
> Call-ID: 7At9kxIfv2
> CSeq: 23453425 BYE
> User-Agent: FreeSWITCH-mod_sofia/1.10.4-dev-2421-8a5850ff26~64bit
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER,
> REFER, NOTIFY, PUBLISH, SUBSCRIBE
> Supported: timer, path, replaces
> Reason: Q.850;cause=16;text="NORMAL_CLEARING"
> Content-Length: 0
>
> ---
> status of Sofia profile:
>
> ---
>
> freeswitch at zaka-voice> sofia status profile internal
>
> =================================================================================================
> Name internal
> Domain Name N/A
> Auto-NAT false
> DBName sofia_reg_internal
> Pres Hosts 172.17.0.2,172.17.0.2
> Dialplan XML
> Context public
> Challenge Realm auto_from
> RTP-IP 172.17.0.2
> Ext-RTP-IP 192.168.88.236
> SIP-IP 172.17.0.2
> Ext-SIP-IP 192.168.88.236
> URL sip:mod_sofia at 192.168.88.236:5060
> BIND-URL sip:mod_sofia at 192.168.88.236:5060
> ;maddr=172.17.0.2;transport=udp,tcp
> WS-BIND-URL sip:mod_sofia at 172.17.0.2:5066;transport=ws
> WSS-BIND-URL sips:mod_sofia at 172.17.0.2:7443;transport=wss
> HOLD-MUSIC local_stream://moh
> OUTBOUND-PROXY N/A
> CODECS IN OPUS,G722,PCMU,PCMA,H264,VP8
> CODECS OUT OPUS,G722,PCMU,PCMA,H264,VP8
> TEL-EVENT 101
> DTMF-MODE rfc2833
> CNG 13
> SESSION-TO 0
> MAX-DIALOG 0
> NOMEDIA false
> LATE-NEG true
> PROXY-MEDIA false
> ZRTP-PASSTHRU true
> AGGRESSIVENAT false
> CALLS-IN 0
> FAILED-CALLS-IN 0
> CALLS-OUT 0
> FAILED-CALLS-OUT 0
> REGISTRATIONS 0
>
>
>
> --
> Ruslan Shevchenko
> Software Engineer.
> http://ua.linkedin.com/in/ruslanshevchenko
> _________________________________________________________________________
>
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--
Regards,
David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
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