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

[Sergey Safarov]

Capture dns traffic and analyze.
Probable some resolv is wrong or fail.

On Wed, Dec 30, 2015, 10:13 Rajil Saraswat <rajil.s at gmail.com> wrote:

> Hello,
>
> My pbx has a dynamic ip address and i am using the name
> myhost.dyndns.org for it. Until now i have had the following settings:
>
> vars.xml
> <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"/>
>
> Internal profile
>   <param name="ext-rtp-ip" value="$${external_rtp_ip}"/>
>   <param name="ext-sip-ip" value="$${external_sip_ip}"/>
>
> However, with this I was getting a public ip in the contact header of
> the calls. So i had to change the internal profile to
>   <param name="ext-rtp-ip" value="autonat:$${external_rtp_ip}"/>
>   <param name="ext-sip-ip" value="autonat:$${external_sip_ip}"/>
>
> Unfortunately with the above change the system is unable to resolve
> the dns address and sofia status profile internal' shows
>
> Ext-SIP-IP              host:myhost.dyndns.org
>
> The calls fail randomly because of this. How can i use autonat with
> the dynamic ip address?
>
> Thanks
> Rajil
>
> PS: If i use the dynamic ip address in the the conf file, there is no
> problem. (<X-PRE-PROCESS cmd="set"
> data="external_sip_ip=aa.bb.cc.dd"/>)
>
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