[Kamailio-Users] SIP-T: Multipart SDPs, ISUP parsing, etc

Daniel-Constantin Mierla miconda at gmail.com
Fri Feb 13 14:26:34 CET 2009


Hello,

On 02/13/2009 12:08 PM, Abdul Hakeem wrote:
> Hi,
> Are you able to put me in touch with the guys using the SDP parser ?
>   

direct your emails to mailing list all the time. Those people are there, 
the developer of SDP parser and others using it. You will get much 
faster response and maybe better than writing private emails.

Thanks,
Daniel

> Cheers,
> Abdul Hakeem 
>
> -----Original Message-----
> From: Daniel-Constantin Mierla [mailto:miconda at gmail.com] 
> Sent: 11 February 2009 15:20
> To: alhakeem at ipextelecom.net; kamailio
> Subject: Re: [Kamailio-Users] SIP-T: Multipart SDPs, ISUP parsing, etc
>
> Hello,
>
> On 02/11/2009 03:20 PM, Abdul Hakeem wrote:
>   
>> Hi,
>>
>> Just wanted to touch base on the parser to find out if you are still 
>> pursuing this.
>>   
>>     
> it is still on my todo list, however didn't make it in the upcoming 1.5.0.
> Ovidiu Sas did some commits to the SDP parser and I know couple of others
> using it with success.
>
> Please open a feature request at:
> http://sourceforge.net/tracker/?atid=743023&group_id=139143&func=browse
>
> It is easier to track and not forgot about it for the next release.
>
> Thanks,
> Daniel
>
>
>   
>> I am in the mind of purchasing some Cisco equipment to do the Sip-MAP 
>> gateway from a GSM network.
>> I have someone else from the OpenBTS with me on this.
>> The object is to provide a full fledged sip based routing of voice, 
>> sms and multimedia calls from gsm handsets to  BTS with a Sip server
>>     
> backend.
>   
>> Cheers,
>> Abdul Hakeem
>>
>> -----Original Message-----
>> From: users-bounces at lists.kamailio.org 
>> [mailto:users-bounces at lists.kamailio.org] On Behalf Of 
>> Daniel-Constantin Mierla
>> Sent: 03 September 2008 17:45
>> To: Kristian Kielhofner
>> Cc: users at lists.kamailio.org
>> Subject: Re: [Kamailio-Users] SIP-T: Multipart SDPs, ISUP parsing, etc
>>
>> Hello,
>>
>> On 09/03/08 19:10, Kristian Kielhofner wrote:
>>   
>>     
>>> Hello everyone,
>>>
>>>   Feel free to set $OSSPROXY to whatever you like = 
>>> Kamailio/OpenSIPS/OpenSER (for those of you who can't let go).
>>>
>>>   $OSSPROXY is my favorite SIP toolkit.  In addition to being an 
>>> excellent proxy and registrar it serves as a platform to do SIP 
>>> mangling and wrangling.  With that in mind let me propose a crazy 
>>> idea...
>>>
>>>   How hard would it be to get $OSSPROXY to be able to parse what is 
>>> commonly referred to as SIP-T (RFC 3372)?  I understand $OSSPROXY has 
>>> no business getting too involved in the SDP but I feel it makes sense 
>>> in some instances (like this one).  What if I want to make a routing 
>>> decision based on an encapsulated ISUP parameter of some sort?  Who 
>>> knows what it could be!?!?  Maybe there are some other uses but that 
>>> makes the most sense and seems to be the most practical.  It should 
>>> be possible to develop an $OSSPROXY module to:
>>>
>>> - Use the SDP parser to find the ISUP SDP part:
>>>
>>> http://www.kamailio.net/dokuwiki/doku.php/development:sdp-parsing
>>>
>>> - Pass that part into a "real" ISUP parser (if necessary).  I 
>>> couldn't seem to find the perfect library but perhaps something like 
>>> this could
>>> work:
>>>
>>> http://www.openss7.org/isup.html
>>>
>>> - Make the ISUP parameters available via AVPs, pseudo variables, etc 
>>> for use in the $OSSPROXY script.
>>>
>>>   I don't really have a need for this but it seems like it could be 
>>> cool.  Am I nuts?
>>>
>>>   
>>>     
>>>       
>> I would expose the body as a dynamic structure, so components will be 
>> accessible in the script, e.g. (naming schema just for example),
>>
>> if($body(0=>content-type)=="application/sdp")
>> {
>>     if($body(0=>m=>type) == "audio")
>>     {
>>     }
>> }
>>
>> Based on the available content type parsers (sdp, isup), the structure 
>> has different attributes.
>>
>> Cheers,
>> Daniel
>>
>>
>> --
>> Daniel-Constantin Mierla
>> http://www.asipto.com
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.kamailio.org
>> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
>>
>>   
>>     
>
> --
> Daniel-Constantin Mierla
> http://www.asipto.com
>
>   

-- 
Daniel-Constantin Mierla
http://www.asipto.com





More information about the sr-users mailing list