[Freeswitch-users] mod_lcr

Rupa Schomaker rupa at rupa.com
Fri Jun 11 08:02:02 PDT 2010 

That doesn't sound right.

prefix is for prepending the supplied number with data.  So if you want to
prepend the country code if someone just dials npa-nxx for instance.
 Usually it would be used to add the customer access code that some
providers like to use.

digits should be a full e.164 number without the +.  So, US would be 1NPANXX
for 1000s resolution.

Normalize your numbers to e164 format prior to doing the lcr query.

Using this methodology I can't see how you would have any empty digits
fields.

On Fri, Jun 11, 2010 at 9:11 AM, Madovsky <infos at madovsky.org> wrote:

>  I use prefix for country prefix and digits for npa-nxx digits.
> my trunk has a list with empty npa-nxx in some rows
>
>
>
> ----- Original Message -----
> *From:* Rupa Schomaker <rupa at rupa.com>
> *To:* freeswitch-users <freeswitch-users at lists.freeswitch.org>
> *Sent:* Friday, June 11, 2010 7:56 AM
> *Subject:* Re: [Freeswitch-users] mod_lcr
>
> null would be used for empty, but... why would you have an empty digits
> field?
>
> On Thu, Jun 10, 2010 at 10:21 PM, Madovsky <infos at madovsky.org> wrote:
>
>>  I succeed to make mod_lcr works with prefix and postgresql 8.4.4
>> I have also changed the type of digits as varchar(20) because pg doesn't
>> accept empty numeric field (unless you know a trick to do that).
>>
>> Thanks for your patience
>>
>> F
>>
>>  ----- Original Message -----
>> *From:* Rupa Schomaker <rupa at rupa.com>
>> *To:* freeswitch-users <freeswitch-users at lists.freeswitch.org>
>>   *Sent:* Thursday, June 10, 2010 4:10 PM
>> *Subject:* Re: [Freeswitch-users] mod_lcr
>>
>> What I use that differs from default:
>>
>>   digits          | text                     | not null
>>  digits_prefix   | prefix_range             | not null
>>  Indexes:
>>      "idx_prefix" gist (digits_prefix gist_prefix_range_ops)
>>
>> I keep digits around so I can test both default  behavior and new
>> behavior.  You only really NEED the second one.
>>
>> On insert I set them to the same value (eg: 12145551212).
>>
>> End is fine.  Doesn't really matter.
>>
>> On Thu, Jun 10, 2010 at 12:44 PM, Madovsky <infos at madovsky.org> wrote:
>>
>>>  Ok I understand now.
>>> but where to create digist_prefix in lcr table ? the end is ok ?
>>>
>>> Thanks
>>>
>>> F
>>>
>>>  ----- Original Message -----
>>> *From:* Rupa Schomaker <rupa at rupa.com>
>>> *To:* freeswitch-users <freeswitch-users at lists.freeswitch.org>
>>>   *Sent:* Thursday, June 10, 2010 8:38 AM
>>> *Subject:* Re: [Freeswitch-users] mod_lcr
>>>
>>> Read the part about how to define the table + the gist index.  The whole
>>> custom_sql thing assumes a familiarity with sql.  you can choose to not have
>>> a digits_prefix column and just change the datatype of prefix to prefix.
>>>  You can do what I did which is to have prefix be text and digits_prefix be
>>> of type prefix and a trigger to keep the two in sync.  the key is that you
>>> are searching against the prefix column for which there is a GIST index.
>>>
>>> On Thu, Jun 10, 2010 at 2:53 AM, Madovsky <infos at madovsky.org> wrote:
>>>
>>>>  ok thanks I will read again
>>>>
>>>> F
>>>>
>>>>  ----- Original Message -----
>>>> *From:* Nandy Dagondon <gcd at i.ph>
>>>> *To:* freeswitch-users at lists.freeswitch.org
>>>>   *Sent:* Thursday, June 10, 2010 3:09 AM
>>>> *Subject:* Re: [Freeswitch-users] mod_lcr
>>>>
>>>> it's the digits_prefix in the WHERE clause that's causing the error.
>>>>
>>>> ur question re prefix+digits, it's explained in the Custom SQL portion
>>>> in the wiki.
>>>>
>>>> -nandy
>>>>
>>>>
>>>> On Thu, Jun 10, 2010 at 2:56 PM, Madovsky <infos at madovsky.org> wrote:
>>>>
>>>>>  ok so it needs also the alias l.digits in the condition I think.
>>>>> I'm a little confused about digits and prefix.
>>>>> if I check a number with the country code is it need to join
>>>>> prefix+digits ? how with this kinkd of sql request ?
>>>>>
>>>>> Thanks
>>>>>
>>>>> F
>>>>>
>>>>>   ----- Original Message -----
>>>>> *From:* Nandy Dagondon <gcd at i.ph>
>>>>> *To:* freeswitch-users at lists.freeswitch.org
>>>>> *Sent:* Thursday, June 10, 2010 2:44 AM
>>>>> *Subject:* Re: [Freeswitch-users] mod_lcr
>>>>>
>>>>> i think it's a typo. i changed digits_prefix to digits. to be sure, pls
>>>>> check the CREATE TABLE entries.
>>>>> -nandy
>>>>>
>>>>>
>>>>> On Thu, Jun 10, 2010 at 2:16 PM, Madovsky <infos at madovsky.org> wrote:
>>>>>
>>>>>>  I'm experimenting with mod_lcr with postgresql (8.4.4)
>>>>>> there s an example of custom sql on wiki below :
>>>>>>
>>>>>>
>>>>>>     <profile name="use_prefix">
>>>>>>       <param name="custom_sql" value="
>>>>>> SELECT l.digits, c.carrier_name, l.${lcr_rate_field}, cg.prefix AS gw_prefix, cg.suffix AS gw_suffix,
>>>>>>        l.lead_strip, l.trail_strip, l.prefix, l.suffix, cg.codec, l.cid
>>>>>> FROM lcr l
>>>>>>      JOIN carriers c ON l.carrier_id=c.id
>>>>>>      JOIN carrier_gateway cg ON c.id=cg.carrier_id
>>>>>> WHERE c.enabled = '1' AND cg.enabled = '1' AND l.enabled = '1'
>>>>>>       AND digits_prefix @> '%q'
>>>>>>       AND CURRENT_TIMESTAMP BETWEEN date_start AND date_end
>>>>>> ORDER BY digits DESC, ${lcr_rate_field} asc, random();
>>>>>>       "/>
>>>>>>     </profile>
>>>>>>
>>>>>> however the query failed cause of digits_prefix field doesn't exist in the table.
>>>>>>
>>>>>> is it a typo ? or does it need a field concatenation of prefix and digits ?
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>>
>>>>>>
>>>>>> Franck
>>>>>>
>>>>>>
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>>>
>>>
>>> --
>>> -Rupa
>>>
>>> ------------------------------
>>>
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>>
>>
>> --
>> -Rupa
>>
>> ------------------------------
>>
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>
>
> --
> -Rupa
>
> ------------------------------
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-- 
-Rupa
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