[Asterisk-Users] SIP Extension behind NAT, Asterisk on a public domain

[C F]

On 11/22/05, Bharath Khambadkone <bkalthod at gmail.com> wrote:
> Hello All,
>  I'm fairly new to asterisk. I have read about the problems about NAT, But
> can't seem to find a solution.
>  My Asterisk is on a public domain, there is no NAT or firewall in front of


If no nat then why do you have nat=1 in sip.conf?


> the asteris box. I have sucessfully connected iax2 softphones & was able to
> recieve & make calls. In the same locations where I have the iax2 extensions
> working I have set up a a SIP softphone & a SIP ATA (Sipura2002). Both teh
> sip phones are able to register. I can also make & recieve calls but cannot
> hear anything after the call is answered at both ends. I'm not sure what is
> causing this problem. By the way I'm using SME server 7(centos 4.2)  with
> A at H installed.
>
>  my Sip.conf :
>  [2008] ;(Sipura2002)
>  username=2008
>  type=friend
>  secret=2008
>  record_out=Adhoc
>  record_in=Adhoc
>  qualify=no
>  port=5060
>  nat=1
>  mailbox=2008 at device
>  host=dynamic
>  dtmfmode=rfc2833
>  context=from-internal
>  canreinvite=no
>  callerid=device <2008>
>
>
>  [2009] ;X-Lite Soft Phone
>  username=2009
>  type=friend
>  secret=2009
>  record_out=Adhoc
>  record_in=Adhoc
>  qualify=no
>  port=5060
>  nat=1
>  mailbox=2009 at device
>  host=dynamic
>  dtmfmode=rfc2833
>  context=from-internal
>  canreinvite=no
>  callerid=device <2009>
>
>  Thanks in advance..
>
>
>
>
>
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