[SR-Users] openser as SIP AS in IMS environment...

[Daniel-Constantin Mierla]

On 4/30/10 10:08 PM, Jeff Brower wrote:
> Daniel-
>
>    
>> On 4/30/10 8:24 PM, Iñaki Baz Castillo wrote:
>>      
>>> 2010/4/30 Jignesh Gandhi<Jignesh.Gandhi at moviuscorp.com>:
>>>
>>>        
>>>> Hello All,
>>>>
>>>> Can openser be used as a SIP Application Server in an IMS infrastructure ?
>>>>
>>>> Should I use Kamailio instead ?
>>>>
>>>>          
>>> By definition a SIP proxy is not a "SIP Application Server"(which in
>>> most cases are B2BUA's).
>>>
>>>        
>> Well, 'SIP proxy is not an SIP application server' is a bit forced. IMO,
>> an application of SIP can be proxying SIP request, while most of the
>> sites define couple of SIP server side entities like proxy, registrar,
>> etc... these are just some types of applications for SIP.
>>
>> On the other hand, Kamailio is more than a proxy and it is in fact a
>> real application server. It cannot be a VoIP application server,
>>      
> It can be when combined with rtpproxy (and with accelerator PCI/PCIe card in some cases).
>    

right, to some extent you can play with media in conjunction with 
rtpproxy -- iirc, you can do some audio playback with latest rtpproxy.

What would be the accelerator used for?

Thanks,
Daniel

>    
>> since
>> it does not do media processing, but can be a sip signaling application
>> server and it is a lot you can do with signaling only (e.g., messaging,
>> presence, custom communications and notifications).
>>
>>      
>>> However if you mean a "IMS SIP proxy/registrar" then OpenSer/Kamailio
>>> could be valid (except for some custom requeriments of IMS). You can
>>> take a look to OpenIMS which is OpenSer/Kamailio with some
>>> "customization" or new modules designed for IMS.
>>>
>>>        
>> This is indeed an app to look at, site is http://www.openimscore.org.
>> AFAIK, they updated their code and practically they run same core and
>> common modules as kamailio/ser 3.0
>>
>> To give the proper answer to the question, then the kind of application
>> wanted to be deployed must be described.
>>
>> And kamailio is just the new name of openser, since there were some
>> trademark issues with openser word. The sourceforge devel project still
>> keeps openser name. Last version released under openser name was 1.3.x,
>> the first under kamailio name was the next one 1.4.0. Version 3.0.x is
>> the last stable one, with lot of enhancements since last version with
>> openser name was released, see here what are the major enhancements
>> coming with every release:
>> http://www.kamailio.org/dokuwiki/doku.php#features
>>      
>    

-- 
Daniel-Constantin Mierla
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