[sr-dev] Migration of Open IMS Core to sip-router

[Klaus Darilion]

>      >  * enum - support for query on the originating side, useful in PSTN
>      >    inbound processing
> 
>     Could you send this patch to the mailing list and cc Juha?
> 
>  Attached.... but... this is one of our crazy-experimental stuff. I mean 
> I haven't yet figured it our what to do with multiple response or what 
> is the final list of things to change in the message, so it looks a bit 
> messy to be merged in the master now.
> 
> As a bit of background info, this thing is useful when you have some 
> sort of PSTN access gateway that would proxy all calls towards a SIP 
> network. The node in charge of deciding the what-next part is called in 
> IMS related terminology a TRansit Control Function (TRC or TRCF) and I 
> have also attached a sample cfg for such a node. The advantage of doing 
> also enum_orig() is that this node can decide, based on ENUM 
> configuration, whether to trigger or not an originating leg processing 
> in an originating domain proxy. Or putting it in another way, this 
> provides the glue to have originating SIP services for PSTN UEs.


If you just want to make ENUM lookups on the caller's number you can 
also use K's enum module:
http://www.kamailio.org/docs/modules/1.5.x/enum.html#id2467740

It is very flexible and allows you to make ENUM lookup with a pseudo 
variable - which can be anything.

regards
klaus