28 Mar
2013
28 Mar
'13
9:30 a.m.
Hi,
I have some code for updating the destination number and the NAI of an
ISUP message encoded in a SIP message and would be interested in
submitting it as a module to Kamailio. Could I get more information
on guidelines and procedure for submitting a module?
Regards,
Torrey
On 22 March 2013 16:49, Alex Balashov <abalashov(a)evaristesys.com> wrote:
Yes, but don't elements of the MIME body get
copied into the SIP responses by the UAS?
Javi Gallart <jgallart(a)systemonenoc.com> wrote:
Hi
this is really a common practice among carriers. Actually the SS7 case
is easier because, unlike in SIP with the To, From..., in a regular
ISUP
call the details of the initiating call are not sent in the backwards
direction: an ANM message indicating the call was answered doesn't
carry
the numbers in the IAM that initiates the call. So it's a matter of
billing properly and accurately.
Javi
On 03/22/2013 03:27 PM, Alex Balashov wrote:
--
Sent from my mobile, and thus lacking in the refinement one might expect from a
fully-fledged keyboard.
Alex Balashov - Principal
Evariste Systems LLC
235 E Ponce de Leon Ave
Suite 106
Decatur, GA 30030
United States
Tel: +1-678-954-0670
Web: http://www.evaristesys.com/, http://www.alexbalashov.com/
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http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev Yes, but what happens when those modifications,
or responses based on
those modifications, are returned to the sender? Much as with
most SIP
headers, the sending SS7 gateway can well say, "I didn't send that."
Javi Gallart <jgallart(a)systemonenoc.com> wrote:
> Thanks Alex
>
> the first thing that came to my mind is performing some number
> manipulation. Imagine kamailio acting as a router for several
carriers.
>
> One of them demands an international NOA with a weird prefix,
whereas
> the other one, for the same destination,
requires a pound (#) at the
> end, and so on. I agree with you in disliking idea of being too
> "invasive" in the body of the sip message, but it's something
already
> doable for instance with SDP.
>
> Javi
> On 03/22/2013 02:50 PM, Alex Balashov wrote:
>> Hi Javi,
>>
>> The first question to ask is: if Kamailio could understand ISUP
>> parameters, what would it do with them?
>>
>> If the answer is "not a whole lot", chances are it is something
that
>> only needs to be understood by the
endpoints, and which Kamailio
> would
>> continue to be agnostic to, as it is now. Kamailio is, above all
>> else, a message relay.
>>
>> -- Alex
>>
>>
>
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