[OpenSIPS-Users] prefix to account

[Ovidiu Sas]

The dialplan module may help here in matching those prefixes and
identifying the carrier.
And this will be faster then performing db lookups and maybe more
elegant then using the cache.

Regards,
Ovidiu Sas

On Thu, Mar 26, 2009 at 8:45 AM, Bogdan-Andrei Iancu
<bogdan at voice-system.ro> wrote:
> hi Brett,
>
> well, if you do not have any control over the prefix format, there is no
> other way than keeping the len also.
>
> regards,
> bogdan
>
> Brett Nemeroff wrote:
>> That's kind of the same line as them all being the same length..
>> Here's my problem.. in general, I have no problem making those kinds
>> of assumptions.. but what I ran into is a rather large customer came
>> to me and TOLD me that they were going to be sending me calls and THIS
>> is the prefix. And of course, that prefix defies any kind of standard
>> I may have set.  In this case, I'm not in a position really to request
>> the calls be sent differently.. And in general, I'm wondering if there
>> are any "good ideas" on how to go about doing it..
>>
>> I assume you were going down the line of looking for the first
>> occurance of a 9, then substringing it? Yeah, I can do that.. I'd
>> probably like to use something like a # instead.. But still doesn't
>> fix when I get sent a prefix I'm not expecting.
>>
>> I suppose each account could have a prefix length.. Then I can store
>> the prefix length by account in cache.. just seems kinda messy.
>> -Brett
>>
>>
>> On Wed, Mar 25, 2009 at 1:11 PM, Bogdan-Andrei Iancu
>> <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>> wrote:
>>
>>     Hi Brett,
>>
>>
>>     Brett Nemeroff wrote:
>>
>>         Hey All,
>>         I was just wanting to get some feedback from the community on
>>         how you may handle this. I have a number of clients who like
>>         to use "prefixes" in the dialed number coupled with IP address
>>         authentication to link calls to a specific account..
>>
>>         It starts out simple.. Customer A sends me calls from
>>         1.2.3.4.. Great. I have a table that links IP to account.. So
>>         now I can account those calls..
>>
>>         But now customer A, has subcustomer A.1, or A.2 They still
>>         send calls from 1.2.3.4, but they'll send prefix 001234 before
>>         the dialed number (like 00123415125551212). In this case, I
>>         want to identify the 1.2.3.4 + prefix of 001234 as being
>>         customer A.1, then strip off 001234.
>>
>>         So in general, I do an avp_db_query (to be replaced by a
>>         cache_fetch) for $si + substr($rU)... Which works fine.. BUT
>>         if the prefix is not of a fixed length.. I'm not even really
>>         sure hwo to go about it..
>>
>>     can you simply build your prefixes in such a manner that you can
>>     identify the end of them? like all prefixes end with 9 and they do
>>     not contain 9....
>>
>>     Regards,
>>     Bogdan
>>
>>
>>         (pardon the messy sql, it's really just to prove a point)
>>         with the avp_db_query, I can simply do a "like" select ala:
>>         select account from customertrunks where ip=$si and to_did
>>         like concat($rU,'%')
>>
>>         But if I do a cache_fetch, I can't do the pattern  match..
>>
>>         So how do you guys do this? or do you do it at all. :) I see a
>>         lot of clients asking for some sort of call prefixes.. usually
>>         a fixed length will make them happy, but I've got some now
>>         that don't have a fixed length.
>>
>>         Thanks,
>>         Brett
>>
>>         ------------------------------------------------------------------------
>>
>>         _______________________________________________
>>         Users mailing list
>>         Users at lists.opensips.org <mailto:Users at lists.opensips.org>
>>         http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
>>
>>
>>
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>