30 Jan
2006
30 Jan
'06
6:03 p.m.
Hi,
you're right, but here the source is the GW and the destination is
another SIP proxy with SIP phones behind it. And since we are
terminating calls out of the PSTN to this other SIP proxy, ran by a
company without voice-license, I need to remove any hint to the identity
of the caller before handing over the call to that second SIP proxy.
Wolfgang
Bogdan-Andrei Iancu wrote:
Hi Wolfgang,
if the destination is a GW and you set a RPID hdr, you do not need to
remove the contact and FROM - the GW will silently ignore them.
regards,
Bogdan
Wolfgang Hottgenroth wrote:
Really sure that there is no way only using
openser? I don't want to
deploy that fat beast additionally just for a single feature.
Or is there something I haven't considered yet?
Thanks,
Wolfgang
Klaus Darilion wrote:
If you need full privacy, then it is better to
use a B2BUA like
Asterisk.
regards
klaus
Wolfgang Hottgenroth wrote:
> Hi,
>
>
> before forwarding a call (INVITE) from the PSTN with flag
> "privacy=full"
> in the Remote-Party-ID hf to a none-voice-licensed carrier I need to
> make sure that the calling party number is completely wiped out from
> the
> SIP requests.
>
> I see this number at three places: the Remote-Party-ID hf itself, the
>
>
>
>> From hf and the Contact hf.
>>
>
> The Remote-Party-ID hf can simply be dropped or replaced by something
> anonymous.
>
> The From hf can be rewritten using uac_replace_from.
>
> But what about the Contact hf? This field is, as far as I can see,
> required for routing purposes, to tell the called party side where to
> send replies. So, if I would manage it to rewrite the field, I would
> have to make sure, the replies sent to the rewritten address once again
> will be rewritten to target for the meant destination.
>
> Is there a best practice for this item?
>
>
>
> Thanks,
> Wolfgang
>
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