[Users] Hijack 'Move Temporarily'
Sam Lee
sam.lee at super.net.sg
Thu Feb 1 04:21:41 CET 2007
Hey Greg,
The regex doesn't seem to work for me.
Any ideas ?
Regards,
Sam
-----Original Message-----
From: Greg Fausak [mailto:lgfausak at gmail.com]
Sent: Wednesday, January 31, 2007 11:42 AM
To: Sam Lee
Cc: Bogdan-Andrei Iancu; users at openser.org
Subject: Re: [Users] Hijack 'Move Temporarily'
On Jan 30, 2007, at 8:34 PM, Sam Lee wrote:
> Hey guys,
>
> I'm not a particular big fan of regular expressions.. But need to use
> it now.
>
> If I have a string eg <abcde> fghij
>
/.*<(.*)>.*/\1/
I can never remember the variants. Sometimes you need to escape the
parens, like:
/.*<\(.*\)>.*/\1/
Sometimes you use $1 instead of \1, like:
/.*<(.*)>.*/$1/
-g
> How / what is the regex to extract strings within the bracket
> (everything else not needed). I just need to extract stuff from within
> the brackets.
>
> Thanks a million !
>
> Regards,
> Sam
>
> -----Original Message-----
> From: users-bounces at openser.org [mailto:users-bounces at openser.org] On
> Behalf Of Sam Lee
> Sent: Wednesday, January 31, 2007 9:36 AM
> To: Bogdan-Andrei Iancu
> Cc: users at openser.org
> Subject: RE: [Users] Hijack 'Move Temporarily'
>
> The difficulty is that , the gateway only can make use of the FROM
> header for outgoing caller id presentation.
> It can't make use of the Diversion header , so I got no choice but to
> stick with it.
>
> Currently making use of AVPOPS to extract the diversion header inside
> INVITE and pushing it to the FROM header via UAC_REPLACE_FROM ()
>
> Regards,
> Sam
>
> -----Original Message-----
> From: Bogdan-Andrei Iancu [mailto:bogdan at voice-system.ro]
> Sent: Wednesday, January 31, 2007 2:10 AM
> To: Sam Lee
> Cc: users at openser.org
> Subject: Re: [Users] Hijack 'Move Temporarily'
>
> Sam,
>
> if your GW does accept the diversion header, why don't you use this
> mechanism instead of using FROM hdr (which highly difficult to
> change).
>
> So, my advice is to first understand how the Diversion stuff works in
> SIP and then take a look at diversion module:
> http://www.openser.org/docs/modules/1.2.x/diversion.html
>
> regards,
> bogdan
>
> Sam Lee wrote:
>
>> OR
>>
>> Any method to replace FROM header with Diversion header ?
>>
>> -----Original Message-----
>> From: users-bounces at openser.org [mailto:users-bounces at openser.org] On
>> Behalf Of Sam Lee
>> Sent: Tuesday, January 30, 2007 3:28 PM
>> To: Bogdan-Andrei Iancu
>> Cc: users at openser.org
>> Subject: RE: [Users] Hijack 'Move Temporarily'
>>
>> Hey guys,
>>
>> Yes , back to this.
>> Are there any methods of manipulating the FROM header when in Failure
>> routes ?
>>
>> Rgds,
>> Sam
>>
>> -----Original Message-----
>> From: users-bounces at openser.org [mailto:users-bounces at openser.org] On
>> Behalf Of Sam Lee
>> Sent: Tuesday, January 30, 2007 12:20 PM
>> To: Bogdan-Andrei Iancu
>> Cc: users at openser.org
>> Subject: RE: [Users] Hijack 'Move Temporarily'
>>
>> Hey guys,
>>
>> I've managed a workaround by using the diversion header.
>> I inserted a diversion header and my PSTN gateway shows the
>> subscriber number in the original called party number.
>>
>> BTW , anyone of you have any experiences with using openser to call
>> forward (server-side call forward) ?
>> How do u generate call forwarding via openser ?
>>
>> Regards,
>> Sam
>>
>> -----Original Message-----
>> From: users-bounces at openser.org [mailto:users-bounces at openser.org] On
>> Behalf Of Sam Lee
>> Sent: Tuesday, January 30, 2007 9:39 AM
>> To: Bogdan-Andrei Iancu
>> Cc: users at openser.org
>> Subject: RE: [Users] Hijack 'Move Temporarily'
>>
>> Hi Bogdan,
>>
>> I don't think that's possible.
>> Can I just manipulate the FROM header inside openser ?
>>
>> Regards,
>> Sam
>>
>> -----Original Message-----
>> From: Bogdan-Andrei Iancu [mailto:bogdan at voice-system.ro]
>> Sent: Tuesday, January 30, 2007 12:37 AM
>> To: Sam Lee
>> Cc: users at openser.org
>> Subject: Re: [Users] Hijack 'Move Temporarily'
>>
>> Sam,
>>
>> is your GW able to use for calling party something else than From
>> hdr?
>> maybe RPID or PAI hdrs? or a custom hdr?
>>
>> regards,
>> bogdan
>>
>> Sam Lee wrote:
>>
>>
>>
>>> Hey guys,
>>>
>>> Any help?
>>>
>>> Sam
>>>
>>> -----Original Message-----
>>> From: users-bounces at openser.org [mailto:users- bounces at openser.org]
>>> On Behalf Of Sam Lee
>>> Sent: Monday, January 29, 2007 5:20 PM
>>> To: Howard Tang
>>> Cc: users at openser.org
>>> Subject: RE: [Users] Hijack 'Move Temporarily'
>>>
>>> Sad thing is , I do the billing via the PSTN gateway.
>>> So I definitely have to make the subscriber show up on the
>>> callingpartynumber.
>>> Any way of manipulating the calling party number ?
>>>
>>> -----Original Message-----
>>> From: Howard Tang [mailto:howard615 at gmail.com]
>>> Sent: Monday, January 29, 2007 5:16 PM
>>> To: Sam Lee
>>> Cc: Atle Samuelsen; users at openser.org
>>> Subject: Re: [Users] Hijack 'Move Temporarily'
>>>
>>> Hi Sam
>>>
>>> I have similar setup , you need muilt call leg accounting in order
>>> to do proper billing.
>>>
>>> Regards,
>>> Howard
>>>
>>>
>>> On 1/29/07, Sam Lee <sam.lee at super.net.sg> wrote:
>>>
>>>
>>>
>>>
>>>> Hey Guys,
>>>>
>>>> Will I be able to manipulate the FROM header inside the failure
>>>> route
>>>>
>>>>
>>>>
>>>>
>>> ?
>>>
>>>
>>>
>>>
>>>> I tried to use UAC_replace_from() but seems like there's an error.
>>>>
>>>> Yes, the call forwarding is causing problem. Now it appears as
>>>> though
>
>>>> the initial caller (PSTN) called the final called party (PSTN) and
>>>> I can't bill the subscriber !
>>>>
>>>> Regards,
>>>> Sam
>>>>
>>>> -----Original Message-----
>>>> From: Atle Samuelsen [mailto:clona at cyberhouse.no]
>>>> Sent: Monday, January 29, 2007 3:00 PM
>>>> To: Sam Lee
>>>> Cc: Carsten Bock; users at openser.org
>>>> Subject: Re: [Users] Hijack 'Move Temporarily'
>>>>
>>>> Did you do a append_branch();
>>>>
>>>> -atle
>>>>
>>>> * Sam Lee <sam.lee at super.net.sg> [070129 04:57]:
>>>>
>>>>
>>>>
>>>>
>>>>> Hey Carsten,
>>>>>
>>>>> Thanks for the info.
>>>>> The example you've provided shows t_relay , which will generate a
>>>>> INVITE and relays it back to the UA.
>>>>> How do I get it to relay to the gateway I wanted ?
>>>>> I've tried rewritehostport("x.x.x.x:5060") before t_relay but
>>>>> doesn't
>>>>>
>>>>>
>>
>>
>>
>>>>> help.
>>>>>
>>>>> Any clue ?
>>>>>
>>>>> Regards,
>>>>> Sam
>>>>>
>>>>> -----Original Message-----
>>>>> From: Carsten Bock [mailto:lists at bock.info]
>>>>> Sent: Friday, January 26, 2007 5:35 PM
>>>>> To: Sam Lee
>>>>> Cc: users at openser.org
>>>>> Subject: Re: [Users] Hijack 'Move Temporarily'
>>>>>
>>>>> Hi Sam,
>>>>>
>>>>> Take a look at the uac_redirect-Module. This does exactly, what
>>>>> you want to.
>>>>> Here are the docs:
>>>>> http://openser.org/docs/modules/1.1.x/uac_redirect.html
>>>>>
>>>>> In the routing-logic, you just have to define the following
>>>>> failure-route:
>>>>>
>>>>> failure_route[1] {
>>>>> if (t_check_status("3[0-9][0-9]")) {
>>>>> get_redirects("*");
>>>>> t_relay();
>>>>> exit;
>>>>> }
>>>>> }
>>>>>
>>>>> An of course, in the route to the forwarder a "t_on_failure
>>>>> ("1");".
>>>>>
>>>>> Carsten
>>>>>
>>>>> Am Freitag, den 26.01.2007, 12:02 +0800 schrieb Sam Lee:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> Hey Guys,
>>>>>>
>>>>>> Normally if the SIP-UA is call-forwarded to a different number ,
>>>>>> it
>
>>>>>> will send a 'Move Temporarily' to the proxy , which in turn relay
>>>>>> this
>>>>>>
>>>>>>
>>>>>> message to the originating gateway.
>>>>>>
>>>>>> The problem is , if they call forward to a number which the
>>>>>> originating gateway doesn't know what to do with it , it will
>>>>>> just
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>
>>>
>>>
>>>
>>>>>> kill the call.
>>>>>>
>>>>>> Can i hijack 'Move Temporarily' directly in the proxy and sending
>>>>>> this
>>>>>>
>>>>>>
>>>>>> call to a different gateway rather than relaying it to the
>>>>>> originating
>>>>>>
>>>>>>
>>>>>> gateway ?
>>>>>>
>>>>>> Please let me know if you can't understand me.
>>>>>> Thanks!
>>>>>>
>>>>>>
>>>>>>
>
>
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