Hi,

So, after not using freeswitch for a few years, I just did a clean
install of Freeswitch 1.8.6 on debian 9 using packages from the repo
and have a small issue maybe someone can help me with.

I'm using the vanilla config here to keep it simple, also Freeswitch
is started with -nonat.

The problem I encountered is the contact field for local calls (on the
same IP subnet as freeswitch) on the internal profile contains the
external IP address which makes the phone send the response to the
wrong IP. You can find attached a complete debug log with sip trace of
a call between ext 1007 (192.168.0.66) and ext 1008 (192.168.0.65).
Freeswitch is 192.168.0.140.

The profile contains the default params:
    <param name="rtp-ip" value="$${local_ip_v4}"/>
    <param name="sip-ip" value="$${local_ip_v4}"/>
    <param name="ext-rtp-ip" value="$${external_rtp_ip}"/>
    <param name="ext-sip-ip" value="$${external_rtp_ip}"/>

This is what I get from sofia status:

freeswitch@deb9> sofia status profile internal
=================================================================================================
Name                    internal
Domain Name             N/A
Auto-NAT                false
DBName                  sofia_reg_internal
Pres Hosts              192.168.0.140,192.168.0.140
Dialplan                XML
Context                 public
Challenge Realm         auto_from
RTP-IP                  192.168.0.140
Ext-RTP-IP              93.86.XX.XX
SIP-IP                  192.168.0.140
Ext-SIP-IP              93.86.XX.XX
URL                     sip:mod_sofia@93.86.XX.XX:5060
BIND-URL
sip:mod_sofia@93.86.XX.XX:5060;maddr=192.168.0.140;transport=udp,tcp
WS-BIND-URL             sip:mod_sofia@192.168.0.140:5066;transport=ws
WSS-BIND-URL            sips:mod_sofia@192.168.0.140:7443;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           2


Is this the correct behavior? If I remove ext-rtp-ip and ext-sip-ip
params from the config it works, but am I missing something obvious or
is this a bug?


--
Dušan Dragić
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