[SR-Users] access to the "Available Functions" in the modules & the way to bridge a call based on username and domain

[Xi Liu]

Hi Daniel,

Thanks for the advice.

Actually I found that i can just modify the $ru to do the work….not good start but I'm in :)

Regards,
Xi

On Jan 20, 2012, at 4:25 PM, Daniel-Constantin Mierla wrote:

> Hello,
> 
> On 1/20/12 9:48 PM, Xi Liu wrote:
>> 
>> Hi,
>> 
>> I'm new to kamailio, have some questions here hope anyone can help!
>> 
>> Question 1,
>> 
>> I'm trying to use some of the functions in usrloc module, but for some reason if I use those from "Available Functions" part, the kamailio won't start and give an error of "unknown command <ul_get_ucontact>, missing loadmodule?"
>> 
>> The usrloc module is definitely loaded, and it will start as long as I avoid using those "Available Functions". I tried some other modules it will lead to same error.
> 
> usrloc's interface to configuration file is registrar module, you have to load it and use save()/lookup() functions to store/retrieve location records.
> 
> "Available functions" section in the readme is for developers that want to bind to usrloc module from C code.
> 
>> 
>> Question 2,
>> 
>> What is the simplest way to bridge a call based on username and domain?
> 
> When the call comes in, after initial  checks (like authentication), do a lookup("location") and if you get true, then just relay the call via t_relay().
> 
> Perhaps the best is to start with the default configuration file, maybe installing from git, there are some guidelines at:
> 
>   * http://www.kamailio.org/wiki/install/3.2.x/git
> 
> If you follow that tutorial, you should get what you want.
> 
>> 
>> I was trying to make a simple experiment I used to do in Freeswitch,
>> 
>> ==========================
>> Have 1000,1001,1002 registered,
>> 
>> When 1000 calls 9999, the calls will be bridged to 1001 or 1002 based on different time period.
>> ==========================
>> 
>> While in Freeswitch, it would be as simple as "bridge xxxx at domain.com", and then freeswitch will lookup contact information and forward the call.
>> 
>> But in kamailio, I only succeed in forwarding calls by change the $du to the exact contact uri, which is "sip:xxxx at ip-of-the-phone:port", the call r_relay(). In order to do this, I need call a perl script to lookup the location database to find a match… 
> No need to use perl, as said, look at registrar module.
> 
>> 
>> I'm 99% sure I'm doing wrong here… there must be a way way easier than that, but so far I can't find it….
> 
> It is, default config has all needed, read also the top of the config, has some comments presenting what features can be enabled there.
> 
> Cheers,
> Daniel
> -- 
> Daniel-Constantin Mierla -- http://www.asipto.com
> http://linkedin.com/in/miconda -- http://twitter.com/miconda

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