[Serusers] SER proxy and SER+SEMS media server

[Teemu Harju]

Thanks to both of you guys for your answers. They were really helpfull.

- Teemu

2005/9/17, Jan Janak <jan at iptel.org>:
> 
> On 16-09-2005 16:11, Teemu Harju wrote:
> > Hi,
> >
> > I'm implementing following kind of system. I have two separate machines
> > where I've installed SER on. The other machine has also SEMS installed. 
> Like
> > you probably already figured out other is used as a plain 
> proxy/registrar
> > and the other as a sort of UAS serving voicemail, conference etc with 
> the
> > help of SEMS.
> >
> > Now my question is, what is the best way to forward messages from
> > proxy/registrar to the media server? I've done the forwarding according 
> to
> > the examples I've found and it uses rewritehostport() to forward 
> messages to
> > voicemail. Voicemail needs to get the email address from mysql database
> > located in proxy. This is no problem connecting to the database, but 
> isn't
> > it so that when I've rewritten the Request-URI that the voicemail cannot
> > find the email from database beacause it's rewritten and has the media
> > servers host part in the URI.
> 
> SER can obtain the email address from database and pass it to SEMS
> along with the request. This would be typically done on the SER
> instance that talks to SEMS (the one running on SEMS machine). You can
> tune what AVPs will be passed to SEMS using tw_append parameter of tm
> module.
> 
> > How have you guys implemented this? I would also need other SEMS 
> plug-ins
> > like conference, so I would also need to differentiate those requests 
> also.
> > Could I rewerite the Request-URI like voicemail at mediaserver? Can the
> > voicemail still find out who was I actually trying to call to since the 
> URI
> > is rewritten?
> 
> You can add a prefix to the request-uri and then remove it again.
> 
> > Is there difference in implementing the media server with asterisk? 
> Wouldn't
> > I need then two different databases? One in asterisk and one in SER.
> 
> It depends on what are you using the database for. SER is quite
> configurable so I guess you could twist it to use a common (or at
> least similar) database, but I have never tried that nor I haven't
> seen anyone having such setup.
> 
> Jan.
> 
> 


-- 
Teemu Harju
http://www.teemuharju.net
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