Re: [Siproxd-users] local calls

[Thomas R. <tr...@gm...>]

Hello Mike,

As mentioned in the documentation, siproxd MUST be running on the
router / NAT-device between the private and public network.
If you have additional NAT devices installed, it also depends on their
behavior. Siproxd depends on "having access" to the network interface
holding the internal (private) IP AND the network interface holding the
external (public) IP.

A local-UA to local-UA call looks:

     internal      external 
        IP           IP

UA1 ----+
        |
        +- . . . . ---+
           siproxd    |
        +- . . . . ---+
        |
UA2 ----+


The RTP traffic is takes the full path through siproxd, there is no
"Ah, it's a loop-back"-shortcut.


Regards,
/Thomas



On 29 Oct, si...@mi... wrote:
> 
> 
> 
> 
> I note from the FAQ that local call functionality was added v0.5.3 Feb
> 2004.
> 
> In my configuration, siproxd is running on a NAT/firewall with a private
> LAN IP.   To access the internet it goes through a separate ADSL NAT
> router/firewall gateway.   This works for incoming/outgoing calls, but
> fails for internal private local UA-UA calls.
> 
> I am guessing this is perhaps because siproxd relies on the UDP packets
> being "loopedback" from the ADSL public IP?
> 
> Can siproxd be configured to "loopback" locally without requiring packets
> to be reflected from the public IP?
> 
> Any suggestions?
> 
> Thanks,
> Mike.
> 
> 
> 
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