[Freeswitch-users] ext-sip-ip, dyndns and NAT

[Rajil Saraswat]

This doesnt seem to be a dns update issue rather a FS configuration
issue. By the way i have paid subscription of dyndns.

I tried several combinations of the external_rtp_ip in vars.xml and
autonat in the internal profile, and looked at the status of the
internal profile. From the combinations that using autonat with either
STUN or Host doesnt resolve the ip address. However, if i dont use
autonat both Host and STUN do resolve the ip address.

So it seems that FS doesnt do an ip lookup whenever autonat is used.
Is there a work around for this or what set should i use from the
combinations below:

----------------------------------------------------------------
Combinations i tried

A. With static ip address and With autonat

vars.xml
<X-PRE-PROCESS cmd="set" data="external_rtp_ip=49.171.120.82"/>
<X-PRE-PROCESS cmd="set" data="external_sip_ip=49.171.120.82"/>

internal.xml profile
<param name="ext-rtp-ip" value="autonat:$${external_rtp_ip}"/>
<param name="ext-sip-ip" value="autonat:$${external_sip_ip}"/>

#sofia status profile internal
RTP-IP                  192.168.10.10
Ext-RTP-IP              49.171.120.82
SIP-IP                  192.168.10.10
Ext-SIP-IP              49.171.120.82
URL                     sip:mod_sofia at 192.168.10.10:5060
BIND-URL                sip:mod_sofia at 192.168.10.10:5060;transport=udp,tcp
TLS-URL                 sip:mod_sofia at 192.168.10.10:5061
TLS-BIND-URL            sips:mod_sofia at 192.168.10.10:5061;transport=tls



B. With STUN and With autonat

<X-PRE-PROCESS cmd="set" data="external_rtp_ip=stun:stun.freeswitch.org"/>
<X-PRE-PROCESS cmd="set" data="external_sip_ip=stun:stun.freeswitch.org"/>

<param name="ext-rtp-ip" value="autonat:$${external_rtp_ip}"/>
<param name="ext-sip-ip" value="autonat:$${external_sip_ip}"/>

#sofia status profile internal
RTP-IP                  192.168.10.10
Ext-RTP-IP              stun:stun.freeswitch.org
SIP-IP                  192.168.10.10
Ext-SIP-IP              stun:stun.freeswitch.org
URL                     sip:mod_sofia at 192.168.10.10:5060
BIND-URL                sip:mod_sofia at 192.168.10.10:5060;transport=udp,tcp
TLS-URL                 sip:mod_sofia at 192.168.10.10:5061
TLS-BIND-URL            sips:mod_sofia at 192.168.10.10:5061;transport=tls



C. With STUN and Without autonat

<X-PRE-PROCESS cmd="set" data="external_rtp_ip=stun:stun.freeswitch.org"/>
<X-PRE-PROCESS cmd="set" data="external_sip_ip=stun:stun.freeswitch.org"/>

<param name="ext-rtp-ip" value="$${external_rtp_ip}"/>
<param name="ext-sip-ip" value="$${external_sip_ip}"/>

#sofia status profile internal
RTP-IP                  192.168.10.10
Ext-RTP-IP              stun:stun.freeswitch.org
SIP-IP                  192.168.10.10
Ext-SIP-IP              49.171.120.82
URL                     sip:mod_sofia at 49.171.120.82:33758
BIND-URL
sip:mod_sofia at 49.171.120.82:33758;maddr=192.168.10.10;transport=udp,tcp
TLS-URL                 sip:mod_sofia at 49.171.120.82:5061
TLS-BIND-URL
sips:mod_sofia at 49.171.120.82:5061;maddr=192.168.10.10;transport=tls



D. With host and With autonat
<X-PRE-PROCESS cmd="set" data="external_rtp_ip=host:myhost.dyndns.org"/>
<X-PRE-PROCESS cmd="set" data="external_sip_ip=host:myhost.dyndns.org"/>
<param name="ext-rtp-ip" value="autonat:$${external_rtp_ip}"/>
<param name="ext-sip-ip" value="autonat:$${external_sip_ip}"/>

#sofia status profile internal
RTP-IP                  192.168.10.10
Ext-RTP-IP              host:myhost.dyndns.org
SIP-IP                  192.168.10.10
Ext-SIP-IP              host:myhost.dyndns.org
URL                     sip:mod_sofia at 192.168.10.10:5060
BIND-URL                sip:mod_sofia at 192.168.10.10:5060;transport=udp,tcp
TLS-URL                 sip:mod_sofia at 192.168.10.10:5061
TLS-BIND-URL            sips:mod_sofia at 192.168.10.10:5061;transport=tls



E. With host and Without autonat
<X-PRE-PROCESS cmd="set" data="external_rtp_ip=host:myhost.dyndns.org"/>
<X-PRE-PROCESS cmd="set" data="external_sip_ip=host:myhost.dyndns.org"/>
<param name="ext-rtp-ip" value="$${external_rtp_ip}"/>
<param name="ext-sip-ip" value="$${external_sip_ip}"/>

#sofia status profile internal
RTP-IP                  192.168.10.10
Ext-RTP-IP              host:myhost.dyndns.org
SIP-IP                  192.168.10.10
Ext-SIP-IP              49.171.120.82
URL                     sip:mod_sofia at 49.171.120.82:5060
BIND-URL
sip:mod_sofia at 49.171.120.82:5060;maddr=192.168.10.10;transport=udp,tcp
TLS-URL                 sip:mod_sofia at 49.171.120.82:5061
TLS-BIND-URL
sips:mod_sofia at 49.171.120.82:5061;maddr=192.168.10.10;transport=tls