[Freeswitch-users] 30 Second call drop.

Kaleem k4kaleem at gmail.com
Thu Jul 18 23:55:14 MSD 2013

Hi Paul, 

Had similar issues myself few months back, it ended up port blocked on external firewall.

To confirm if its same issue, please test inbound and outbound call, outbound was disconnecting after 30 sec when free switch was sending 200 ok and not receiving response.

Sent from my iPhone

On 18 Jul 2013, at 16:54, "Paul" <pasha at prosperity4ever.com> wrote:

> Hi guys,
> After hours of googling and trying every different config options I need
> some help!
> My scenario is as follows:
> Remote Network 1: (10.8.0.X/32 via openVPN tun)
> Remote Network 2: (10.9.0.X/32 via openVPN tun)
> Main Network (where Freeswitch resides):
> My sip gateway/proxy: (kamailio)
> Freeswitch:
> I can fully use the VPN from both networks (ssh, web gui control, etc)
> phones can register, however here are my problems:
> When calling incoming DID none of the extensions ever get ring, it skips
> to voicemail... when leaving a message voicemail cuts of after 30-31
> seconds exactly. I am wondering if freeswitch isn't detecting my client
> sending audio and interprets it as silence and therefore hangs up. The
> voicemail message itsel does contain everything said right up to the hang
> up.
> Sometimes I can call between extensions if they are on the same side of
> the VPN subnet (say 101 calling 101 and they both are coming from
> via
> If 100 is on 10.8.0/24 and 101 is on freeswitch just says user
> is unavailable.
> I'm suspecting this is a NAT issue, all the reading I have done talks
> about "external sip and rtp ip" in my case my trunk hooks up from private
> ip to private ip, it's the kamailio that's supposed to do the NAT (which I
> have verified works fine, I can place outgoing calls through it from other
> PBXs no problem with two way audio and working as it should be).
> I'm not sure if there is a way to enable nat or not with freeswitch. One
> thing I have done (as I've found this worked for some people) is set all
> references to sip-ip ext-sip-ip, rtp-ip and ext-rtp-ip to (my
> freeswitch eth0). There are no other adapters on the box.
> I am hoping that as this is my first time setting up freeswitch that one
> of you freeswitch experts can point me in the right direction :)
> Thanks in advance guys!

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