[Freeswitch-users] no voice for call in same lan network

Michael Collins msc at freeswitch.org
Fri Feb 11 19:34:40 MSK 2011

Get a console log w/ sip trace of a call without audio and put it in a
pastebin. Hopefully there will be some clues. Also, be sure to document your
network layout - what IPs and subnets belong to what, etc.


On Fri, Feb 11, 2011 at 9:16 AM, Sam <u2nsam at gmail.com> wrote:

> Here ,
> i have bunch extension in the same lan network and when they talk with each
> other there is no voice ,
> i have another bunch in other lan network the too do not get voice when
> talking with each other.
> Here the public ip for 2 bunches are different and when an extension from
> bunch A calls to extension
> of bunch B then they have voice.
> FS is on public IP   :(
> From the trace i could see that when making an internal call in the same
> LAN the RTP flows to private IP
> and when making and external call from bunch A to bunch B the RTP is send
> to public IP where the voice is heard,
> also while making and outbound call the RTP is send to public IP of the LAN
> and there is voice.
> Is this a known scenario to anybody ?
> Regards
> Sam
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