Somone on this topic ?

Thanks! Ricardo.-

-----Mensaje original----- De: Ricardo Martinez [mailto:rmartinez@redvoiss.net] Enviado el: Jueves, 13 de Abril de 2006 18:00 Para: 'serusers@lists.iptel.org' Asunto: [Serusers] Call Forward and Billing.

Hello list. It is been a while since i wrote here, that's ok, it means that my SER box is working flawless. :) Well, if is not to much problem i want to ask a question about the Diversion module and how the Forward procedure works.

Suppose that i want to implement a Blind Call Forward system, that works catching the First INVITE and then changing the R-URI for the forwarded number, like the "getting started" doc from onsip. Something like this example :

INVITE sip:bob@sip.org SIP/2.0 Via: SIP/2.0/UDP 1.2.3.4:5060 From: "mark" sip:mark@sip.org;tag=ldgheoihege To: "Bob" sip:bob@sip.org Call-ID: adgasdkgjhkjha@1.2.3.4 CSeq: 3 INVITE Contact: sip:mark@1.2.3.4 Content-Length: 0

The INVITE message is diverted and the new destination is sip:alice@sip.org :

INVITE sip:alice@sip.org SIP/2.0 Via: SIP/2.0/UDP 5.6.7.8:5060 Via: SIP/2.0/UDP 1.2.3.4:5060 From: "mark" sip:mark@sip.org;tag=ldgheoihege To: "Bob" sip:bob@sip.org Call-ID: adgasdkgjhkjha@1.2.3.4 CSeq: 3 INVITE Diversion: sip:bob@sip.org;reason=user-busy Contact: sip:mark@1.2.3.4 Content-Length: 0

How this new INVITE is reflected in the Start and Stop message for the accounting ??. How the "divertor" is billed ? Hope that someone can clarify this.

Thanks in advance

Ricardo Martinez

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