[OpenSIPS-Users] LRN Service

[Bogdan-Andrei Iancu]

Hi Logan,

logan wrote:
> Me again on this issue. I'm having a hard time with integrating to my 
> LRN service.
>
> My provider prefers us to do a dns lookup, whereby they return an LRN 
> number. My initial plan was to have the enum module do this, however 
> enum looks like it's using NAPTR and the provider does not support 
> NAPTR, they have a custom type, example below.
>
> dig 5.1.4.1.3.96.5.1.4.1.lrn.e164.arpa. TYPE65280
>
>
> ; <<>> DiG 9.6.1-P2 <<>> 5.1.4.1.3.9.6.5.1.4.1.lrn.e164.arpa. TYPE65280
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21368
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 6, ADDITIONAL: 11
>
> ;; QUESTION SECTION:
> ;5.1.4.1.3.9.6.5.1.4.1.lrn.e164.arpa. IN TYPE65280
>
> ;; ANSWER SECTION:
> 5.1.4.1.3.9.6.5.1.4.1.lrn.e164.arpa. 60 IN    TYPE65280 \# 6 
> 0A0428041111   <----LRN = 4082401111
>
> Is what I'm trying to do possible using the enum module or any other 
> module?
not really.
> If not has anyone ever developed a stub DNS application to integrate 
> with OpenSIPs for this purpose?
OpenSIPS has a build in DNS query engine (for various types of DNS 
entries), so I see as possible to create same script wrapper over this 
DNS engine to allow you to run custom DNS queries from script.
Again, this is doable with a fair amount of work.
>
> If I can't find an answer here, I think I'm going to have to switch to 
> a provider who I can send a SIP Invite to, then they return a 302 
> redirect with the LRN Info in the header.
To be honest that will be a much normal way to do it if you want to use 
only existing functionality.

Regards,
Bogdan
>
> I"m also open to any suggestions as to how anyone else has 
> accomplished this goal.
>
> Thanks.
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>
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-- 
Bogdan-Andrei Iancu
OpenSIPS Bootcamp
15 - 19 November 2010, Edison, New Jersey, USA
www.voice-system.ro