[Serusers] cisco 7905G

[Nils Ohlmeier]

It seems like the phone does not provide the rport parameter in the Via 
header. Either you turn it on at the phone. Otherwise the phone is almost 
unusable behind NATs. Anyway you could still try to detect this phone models 
and use force_rport (I dont remember the exact spelling, but there should be 
a function like this), then the rport parameter is added by SER.

  Nils

On Tuesday 27 September 2005 11:00, Alberto wrote:
> Hi,
> I have the next scheme:
>
>     7905G ------- NAT ------- Internet ------ SER+mediaproxy
>
> When the 7905G sends a INVITE the ser responds:
>    Status: 407 Proxy Authentication Required.
>
> This is right, but the destination port this packet not is right because
> the ser sends the packet with
> destination port 5060  (private port) and not the (public port). If I open
> this port all it is right, I do not
> want to open no port.
>
> This single problem happens to me with 7905G (no linksys, no X-Ten, ...).
>
> I do not understand what it is happening.
>
> Thanks for your aid.
>
> --
> Alberto
>
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