Bogdan-Andrei Iancu wrote:

Hi Wolfgang,

I would say adding the RPID hdr along with changing the FROM hdr is a little bit redundant - as most of the SIP phones do not interpret the RPID hdr, you may use RPID without FROM changing if the call goes to a GW and FROM changing (without adding RPID) if goes to a SIP UA.

Yes. If the call goes to a trusted gateway, there should be no need to rewrite the message as the gateway should handle privacy=full correctly.

IF the request is sent to terminal, there is IMO no need for an RPID header.

regards klaus

regards, bogdan

Wolfgang Hottgenroth wrote:

...

I've done it this way:

if (search("^Remote-Party-ID:.*sip:.*?.*?;privacy=full.*?")) { xlog("L_NOTICE", "*** full privacy requested\n"); remove_hf("Remote-Party-ID"); append_hf("Remote-Party-ID:\ sip:anonymous@127.0.0.1;party=calling;screen=yes;privacy=full\n"); uac_replace_from("anonymous", "sip:anonymous@127.0.0.1");

avp_printf("contacthelp", "$hdr(contact)"); # xlog("L_NOTICE", "*** contact: $avp(contacthelp)\n"); avp_subst("contacthelp", "/sip:(.*)@(.*)/sip:\2/"); # xlog("L_NOTICE", "*** contact substituted: $avp(contacthelp)\n"); remove_hf("Contact"); avp_pushto("$Contact", "s:contacthelp"); }

What do other ones think about my approach? In my setup it works fine, as it seems.

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No, it works in all versions of (open)ser. It was only forgotten to document it.

regards klaus

unplug wrote:

How about the setting in version 1.0.0? As found that remove_hf function is only available in devel version.

unplug

For the remove_hf

On 2/21/06, Wolfgang Hottgenroth woho@hottis.de wrote:

...

I've done it this way:

if (search("^Remote-Party-ID:.*sip:.*?.*?;privacy=full.*?")) { xlog("L_NOTICE", "*** full privacy requested\n"); remove_hf("Remote-Party-ID"); append_hf("Remote-Party-ID:\ sip:anonymous@127.0.0.1;party=calling;screen=yes;privacy=full\n"); uac_replace_from("anonymous", "sip:anonymous@127.0.0.1");

avp_printf("contacthelp", "$hdr(contact)"); # xlog("L_NOTICE", "*** contact: $avp(contacthelp)\n"); avp_subst("contacthelp", "/sip:(.*)@(.*)/sip:\2/"); # xlog("L_NOTICE", "*** contact substituted: $avp(contacthelp)\n"); remove_hf("Contact"); avp_pushto("$Contact", "s:contacthelp"); }

More interesting than disabling the callees phone from displaying the number is to remove it completely from the SIP messages, since the black-hat callee could run tcpdump in front of his phone.

What do other ones think about my approach? In my setup it works fine, as it seems.

Wolfgang

unplug wrote:

...

In the situation below, a call made from PSTN to openser.

PSTN -----> openser ---------> UA1

How can I remove the caller such that UA1 can't show the caller number in her display?

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Hi,

if want to replace only the display, set the second param to empty string. Also do not forget to set the from_restore_mode to "auto" - see the doc: http://openser.org/docs/modules/1.0.x/uac.html#AEN75

regards, bogdan

unplug wrote:

Thanks! I have tested it. That function works fine.

However, the setting doesn't work for me. I noticed that there is a problem after executing the function uac_replace_from("anonymous", "sip:anonymous@127.0.0.1"); This function with parameter will totally replace the From header and it will cause one way ringing.

On 2/21/06, Klaus Darilion klaus.mailinglists@pernau.at wrote:

...

No, it works in all versions of (open)ser. It was only forgotten to document it.

regards klaus

unplug wrote:

...

How about the setting in version 1.0.0? As found that remove_hf function is only available in devel version.

unplug

For the remove_hf

On 2/21/06, Wolfgang Hottgenroth woho@hottis.de wrote:

...

I've done it this way:

if (search("^Remote-Party-ID:.*sip:.*?.*?;privacy=full.*?")) { xlog("L_NOTICE", "*** full privacy requested\n"); remove_hf("Remote-Party-ID"); append_hf("Remote-Party-ID:\ sip:anonymous@127.0.0.1;party=calling;screen=yes;privacy=full\n"); uac_replace_from("anonymous", "sip:anonymous@127.0.0.1");

avp_printf("contacthelp", "$hdr(contact)"); # xlog("L_NOTICE", "*** contact: $avp(contacthelp)\n"); avp_subst("contacthelp", "/sip:(.*)@(.*)/sip:\2/"); # xlog("L_NOTICE", "*** contact substituted: $avp(contacthelp)\n"); remove_hf("Contact"); avp_pushto("$Contact", "s:contacthelp"); }

More interesting than disabling the callees phone from displaying the number is to remove it completely from the SIP messages, since the black-hat callee could run tcpdump in front of his phone.

What do other ones think about my approach? In my setup it works fine, as it seems.

---

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Hi,

here is a sample:

# replace only display and do not touch uri uac_replace_from("batman","");

regards, bogdan

unplug wrote:

Hi,

Thanks for the hint. I have tried it and it has no effect when a call come from the other network. Instead, I need to remove the From and reconstruct the From header as below. remove_hf("From"); avp_pushto("$From", "s:fromheader");

Rgds, unplug

On 2/21/06, Bogdan-Andrei Iancu bogdan@voice-system.ro wrote:

...

Hi,

if want to replace only the display, set the second param to empty string. Also do not forget to set the from_restore_mode to "auto" - see the doc: http://openser.org/docs/modules/1.0.x/uac.html#AEN75

regards, bogdan

unplug wrote:

...

Thanks! I have tested it. That function works fine.

However, the setting doesn't work for me. I noticed that there is a problem after executing the function uac_replace_from("anonymous", "sip:anonymous@127.0.0.1"); This function with parameter will totally replace the From header and it will cause one way ringing.

On 2/21/06, Klaus Darilion klaus.mailinglists@pernau.at wrote:

...

No, it works in all versions of (open)ser. It was only forgotten to document it.

regards klaus

unplug wrote:

...

How about the setting in version 1.0.0? As found that remove_hf function is only available in devel version.

unplug

For the remove_hf

On 2/21/06, Wolfgang Hottgenroth woho@hottis.de wrote:

...

I've done it this way:

if (search("^Remote-Party-ID:.*sip:.*?.*?;privacy=full.*?")) { xlog("L_NOTICE", "*** full privacy requested\n"); remove_hf("Remote-Party-ID"); append_hf("Remote-Party-ID:\ sip:anonymous@127.0.0.1;party=calling;screen=yes;privacy=full\n"); uac_replace_from("anonymous", "sip:anonymous@127.0.0.1");

avp_printf("contacthelp", "$hdr(contact)"); # xlog("L_NOTICE", "*** contact: $avp(contacthelp)\n"); avp_subst("contacthelp", "/sip:(.*)@(.*)/sip:\2/"); # xlog("L_NOTICE", "*** contact substituted: $avp(contacthelp)\n"); remove_hf("Contact"); avp_pushto("$Contact", "s:contacthelp"); }

More interesting than disabling the callees phone from displaying the number is to remove it completely from the SIP messages, since the black-hat callee could run tcpdump in front of his phone.

What do other ones think about my approach? In my setup it works fine, as it seems.

---

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