[OpenSER-Users] using voipswitch as media server

Daniel-Constantin Mierla miconda at gmail.com
Mon Jul 7 11:42:50 CEST 2008


Hello,

On 07/07/08 12:30, Tushar wrote:
> Hi Daniel,
>
> I am looking for this type of solution-
>
>
>   UDP + RTP	 |--------|	  UDP	  |------| UDP + RTP
> UA-----------| Openser|---------|      |------------UA
>              |--------|         |client|
>                   | UDP         |      |
>                   |             |Server|
> 		 |--------|   RTP   |      |
> 		 | VoipSwi|---------|      |
>              |--------|         |------|
>
> I am confused how to configure OpenSer so it can communicate with voipswitch
>
> If I install RTPProxy and On the SER machine add the following line to
> openser.cfg
>
> modparam("nathelper", "rtpproxy_sock", "udp:voipswitch IPAddr:12345").
>
> Will it help me out?
>   
the communication done via rtpproxy_sock is a proprietary protocol 
specified and implemented by the developer of nathelper module and 
rtpproxy application. I do not know what is your voipswitch, but I doubt 
it knows this protocol unless it uses the rtpproxy inside.

Cheers,
Daniel

> Regards
> Tushar
>
> -----Original Message-----
> From: Daniel-Constantin Mierla [mailto:miconda at gmail.com] 
> Sent: Monday, July 07, 2008 2:42 PM
> To: Tushar
> Cc: 'Iñaki Baz Castillo'; users at lists.openser.org
> Subject: Re: [OpenSER-Users] using voipswitch as media server
>
> Hello,
>
> On 07/07/08 08:37, Tushar wrote:
>   
>> Thanks Castillo,
>>
>> How can I direct all media to my voipswitch?
>> The signalling will land on Openser server, SDP will decide the route for
>> RTP so what step should be taken to sent the RTP to my voipswitch.
>>   
>>     
> is there a way to instruct the voip switch to open ports for RTP 
> streams? As steps, once the invite comes in, you should contact the 
> voipswitch and ask for a new pair of RTP ports for the call. Once you 
> get the port and the ip address of the voipswitch, you have to change 
> them in the sdp -- perhaps mangler module helps. When 200ok is received, 
> you have to change also the ip and port in sdp with the ones from 
> voipswitch.
>
> This algorithm is used for nat traversal with rtpproxy or mediaproxy. 
> You can check the sources of mediaproxy or nathelper modules for more 
> details.
>
> Cheers,
> Daniel
>
>   
>> Regards
>> Tushar
>>
>> -----Original Message-----
>> From: users-bounces at lists.openser.org
>> [mailto:users-bounces at lists.openser.org] On Behalf Of Iñaki Baz Castillo
>> Sent: Sunday, July 06, 2008 5:48 PM
>> Cc: users at lists.openser.org
>> Subject: Re: [OpenSER-Users] using voipswitch as media server
>>
>> 2008/7/5 Tushar <tushar at eurus.net>:
>>   
>>     
>>> I have recently started playing around with Openser, I am looking for a
>>> solution in which my Openser Server should carry the signalling part and
>>>     
>>>       
>> my
>>   
>>     
>>> media stream should be handle by my voipswitch so I can monitor my RTP
>>> stream, work with my calling card solution.
>>>
>>> While browsing I came to know about mediaproxy rely and media server may
>>>     
>>>       
>> be
>>   
>>     
>>> it help me to sent my RTP packet from my server but I like to use my voip
>>> switch for my media stream.
>>>     
>>>       
>> Hi, please don't use HTML (italic text) in the maillist but plain text ;)
>>
>> About your question... I don't know which is your question. You have a
>> voip switch so you don't need a RTP proxy (as MediaProxy is). In your
>> case (if you have the control of the voip switch) you just need
>> MediaProxy in those cases:
>> - You have NATted clients and your switch doesn't handle NAT (if it
>> doesn't support "Comedia" mode).
>> - You want all the audio through some hosts (in which MediaProxy
>> servers run) in order to monitorize it propely (but you could also do
>> it in your switch if it's allows it).
>>
>>
>>   
>>     
>
>   

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





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