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How to find out roaming or non roaming subscribers from diameter CCR initial request?

+2 votes
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How to find out roaming or non roaming subscribers from diameter CCR initial request?
posted Sep 5, 2015 by anonymous

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1 Answer

+1 vote

While building Create Session Request message towards SGW node , serving network IE is added into message.
Once the PGW receives CS Request message from the SGW, it fetches "Serving Network" IE from the message and use the information presents within the serving network IE while creating the CCR message as part of IP-CAN Session Establishment Procedure towards the PCRF.

[3GPP-SGSN-MCC-MNC ] AVP of CCR message carries serving network information for an UE. Based on this serving network information, PCRF provides PCC rules to PCEF.

answer Sep 5, 2015 by Neeraj Mishra
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+3 votes

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Hello,

For the CCR (Initial Request), the CCA is of the above format in my internal testsetup. This seems like Dynamic Rule configuration. I am not sure whether we need to send info like "Flow information" or TFT in CCA. This was answered earlier by Peeyush ( that it is not needed). But wanted to crosscheck the same ?

{ Imp Please Note: This is my initial basic implementation, so only basic necessary AVPs are handled. }

Thanks a lot for the comments and replies
~p

+3 votes

Some techies tell that diameter supports better roaming as compare to radius protocol. Can someone please explain why it is called ?

+2 votes

Client is sending a CCR request with Vendor-specific-application-id[vendor id and Auth-application-id] instead of Auth-Apllication-Id. As per RFC its valid behavior.But server is sending CCA with DIAMETER_MISSING_AVP and Failed-AVP contains Auth-application-id.

Can you suggest me needed changes to accept CCR request with Vendor-specific-application-id.

+2 votes

PGW sending a USU of 0 in CCR Updates after the first USU in first CCA Update was sent correctly. GSU from PCRF is 10Mb.

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