[Users] strip

[Bogdan-Andrei Iancu]

Sam,

it might work, but it is not correctly from SIP point of view as you 
change the TO header across the dialog.

regards,
bogdan

Sam Hsu wrote:

> I use subst to solve this
>
>subst('/^To:(.*)sip:[^@]*@[a-zA-Z0-9.]+(.*)$/To:\1$ruri\2/ig')
>
> It works with my OLD gateway
>
> Sam
>
> On 11/28/06, * Bogdan-Andrei Iancu* <bogdan at voice-system.ro 
> <mailto:bogdan at voice-system.ro>> wrote:
>
>     Hi Sam,
>
>     According to SIP RFC the TO header is not used at all for routing
>     - most
>     probably you have an old gateway which is not SIP compliant anymore.
>     There is no mechanism in openser to change the TO header. The strip()
>     function affects only the RURI.
>
>     the authentication name *must* not be changed as the auth will
>     failed -
>     the auth response is computed based on the auth name known by the UAC.
>
>     regards,
>     bogdan
>
>     Sam Hsu wrote:
>
>     > i use the strip() function to strip the prefix when call out
>     > for example, prefix 0 to call out
>     > there are my sip invite message
>     >
>     ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>     >
>     > INVITE sip:0928117466 at 202.111.222.76:5060 SIP/2.0
>     > Record-Route: <sip:211.111.222.102 <http://211.111.222.102>
>     > <http://211.111.222.102 >;r2=on;lr=on;ftag=694064c4>
>     > Record-Route: <sip:211.111.222.102 <http://211.111.222.102>
>     > <http://211.111.222.102>;transport=tcp;r2=on;lr=on;ftag=694064c4>
>     > Content-Length: 324
>     > Content-Type: application/sdp
>     > Via: SIP/2.0/UDP 211.23.176.102 <http://211.23.176.102>
>     > <http://211.23.176.102>;branch= z9hG4bK4eec.ecf680e4.0;i=1
>     > Via: SIP/2.0/TCP 192.168.123.5:5060 <http://192.168.123.5:5060>
>     > <http://192.168.123.5:5060>;received= 220.132.138.7
>     <http://220.132.138.7>
>     > <http://220.132.138.7>;branch=z9hG4bK69486617
>     > To: <sip:00928117466 at 211.111.222.102
>     <mailto:sip:00928117466 at 211.111.222.102>
>     > <mailto: sip <mailto:sip>:00928117466 at 211.111.222.102
>     <mailto:00928117466 at 211.111.222.102>>>
>     > From: "joepass" <sip:joepass at 211.111.222.102
>     <mailto:sip:joepass at 211.111.222.102>
>     > <mailto:sip <mailto:sip>:joepass at 211.111.222.102
>     <mailto:joepass at 211.111.222.102>>>;tag=694064c4
>     > Supported: timer
>     > Call-ID: 95746504-39004973-1533c430-d8319d29 at 192.168.123.5
>     <mailto:95746504-39004973-1533c430-d8319d29 at 192.168.123.5>
>     > <mailto:95746504-39004973-1533c430-d8319d29 at 192.168.123.5
>     <mailto:95746504-39004973-1533c430-d8319d29 at 192.168.123.5>>
>     > CSeq: 26589 INVITE
>     > User-Agent: IP SIP Phone/2.1.3
>     > Max-Forwards: 69
>     > Session-Expires: 1800
>     > Allow:
>     UPDATE,INFO,MESSAGE,REFER,NOTIFY,INVITE,ACK,OPTIONS,BYE,CANCEL
>     > Authorization: Digest
>     > nonce="456ba868fbd62c72ca16fcdd04678168a8fa0683",
>     username="joepass",
>     > realm="votel-tech.com <http://votel-tech.com>
>     <http://votel-tech.com>", uri="
>     > sip:00928117466 at 211.111.222.102
>     <mailto:sip:00928117466 at 211.111.222.102>
>     > <mailto:sip <mailto:sip>:00928117466 at 211.111.222.102
>     <mailto:00928117466 at 211.111.222.102>>",
>     > response="73a8c869c2a42a12f0d920c2a7d6f068"
>     > P-IPRAuth: votel-tech.com <http://votel-tech.com>
>     <http://votel-tech.com>
>     > Contact: <sip:joepass at 220.111.222.7:1070>
>     >
>     ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>     >
>     > in the example, the real number is 0928117466
>     > add prefix 0, so the final number is 00928117466
>     > I see the INVITE part the id has strip the prefix 0
>     > but
>     > To: < sip:00928117466 at 211.111.222.102
>     <mailto:sip:00928117466 at 211.111.222.102>
>     > <mailto:sip <mailto:sip>:00928117466 at 211.111.222.102
>     <mailto:00928117466 at 211.111.222.102>>>
>     > and the Authorization part(uri) still keep on 00928117466
>     >
>     > My gateway seems to use this information to call out.
>     > So it cause some error respond.
>     > If i call to the gateway directly(not through openser with number
>     > 0928117466), it works.
>     > How can i strip the "To" and "Authorization" part uri.
>     > thanks...
>     >
>     > Sam
>     >
>     >------------------------------------------------------------------------
>     >
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