Hi,
I suppose you need to develop modules for all the the x-CSCF + AS (where x-CSCF is P-CSCF, S-CSCF or I-CSCF). You see, the functionalities/features that x-CSCF and application servers require (for instance, P-headers or querying for subscriber information from HSS) are not available in SER. That's why you need to make your own modules *all the way*.
As for HSS, i dont think you need to make some special super DIAMETER-enabled database. In my (an in many other people's btw) point of view a simple database, like MySQL is more than capable of storing subscriber info or initial filtering criterias (iFC --> im talking about SCIM/SIMF).
If you are really set to develop IMS on SER, then maybe you can start with SER 0.8.14. You can still find decent development documentation for it. As for later versions, I dont think any good docs are yet available (someone, please, correct me if im wrong)
Just for your info, INT (France) joint with France Telecom are developing IMS on SER as of now (dont know if it's going to be commerial or open-source. Contact them if you are interested, maybe you can even help them develop it further :). Plus, Focus is also set to develop a commercial version of IMS for SER and, although, Focus said that their IMS will be available in the last quarter of this year, but nothing's been released yet. :(
Good luck,
Andrey.
On 10/6/06, Kamal.Mann@t-systems.com Kamal.Mann@t-systems.com wrote:
Hi All We are using SER as CSCF which communicates with HSS and Application Server. Whenever a UA sends a request to SER then it should go to some specific table and look for services assigned to that particular UA. If UA is authorize to use that service than SER send this to AS. AS then send this request/response to Serving SER (S-CSCF) which further serves that UA. I need your suggestions for the same that what kind of module we need to develop for this scenario or any valuable suggestions.
Thanks in anticipation Kamal Mann
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