>
> Your best option without a local asterisk server is to set up the remote
> server to do reinvites when calls are going local->local
>
> The calls will end up routed through your internet router, but not beyond
> that.
>
>
> So by placing "canreinvite=yes" in sip.conf, the RTP-traffic would flow
> between the 2 IP-phones and through the router.
> Do I loose music on hold ? I guess I do...
>
Try it first, asterisk could just reinvite the audio back to the server
Also you might be able to program a SIP address for music on hold into the
ip phones

exten => moh,1,Answer()
exten => moh,2,MusicOnHold()


>
>  Downside: might have to make each ip phone available via port forwards
>
>
> And if I place "nat=yes" in sip.conf ??
> Or will IP-phone 1 not know the local IP-address of IP-phone 2 for sending
> a re-invite ??
>
The remote asterisk server would be doing the reinvites with what it knows

>
>

> Jonas.
>
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