[Spce-user] Diversion headers in SIPWISE 2.6 // Call forwarding

[Joel Smith | VOZELIA]

Hi Andrew,


On Thu, Feb 7, 2013 at 4:41 PM, Andrew Pogrebennyk
<apogrebennyk at sipwise.com> wrote:
> Hi Joel,
>
> On 02/07/2013 11:05 AM, Joel Smith | VOZELIA wrote:
>> Hi everybody,
>>
>> How are "diversion" headers treated in sipwise?
>
> there is no special handling for the diversion header in v2.6.
>
>> Is there any posibility to add a new field in the CDR records with the
>> info from diversion headers (if they exist)? (I don't know if this is
>> already implemented)
>
> adding a new field in the CDR means changing at very least the:
> - kamailio proxy config
> - mediator
> - cdr exporter
> they come with a source code so everything is possible.
>
>> We have the following scenario with mobile calls:
>>
>> a) User1 recieves a mobile call from somebody: Our provider sends us
>> User1 as callee (correct).
>>
>> b) User1 enables call forwarding to User2, and recieves a call from
>> somebody: Our provider sends us User1 in diversion header, User2 as callee.
>>
>>
>> How can I find out what calls were forwarded calls in CDR records?
>
> is User1 on the sipwise CE or not? If it is subscriber on SPCE and it
> makes a call forward, you know this from the call_type field:
> http://www.sipwise.com/doc/2.7/spce/ar01s09.html#_file_body_format
>
> If it is in PSTN and the call comes in to SPCE with Diversion header,
> you could try playing with v2.7. There you have a possibility to fetch
> the Diversion number from inbound request and send in in some header
> outbound using the peer (and domain) preferences. Just set inbound_uprn
> to "Received Diversion". You still need to care about storing uprn in
> the CDR records, AFAIK this is not on our roadmap yet.
>
> Andrew

On our case, it is PSTN and the call comes in to SPCE with an
additional header like:

P-Charge-Info: <sip:602225522 at 192.168.80.23>;npi=UNKNOWN;noa=3

What I need to do, is something like:

if "header P-Charge-Info" exists, then SRC in CDR = "the src from the
P-Charge-Info header".

Or, add a new field in the exported CDRs (touching as you said,
cdr-exporter, mediator and kamailio-proxy) with this info

What solution do you recommend we use to focus on it? I think I prefer
adding a new field in CDR (for later auditing purposes), but I'm not
sure how complicated that can be.

Thanks again.

Best regards.