[Serusers] (newbie to) b2bua And Ser

[Jan Janak]

Well, except problem description you did not send any additional
information for debugging, so how can we help you ? The problems can be
anywhere in the chain.

  Jan.

On 15-06 15:02, Derek Toner wrote:
> Hi all,
>  
> I am attempting to put together a system involving Ser, so that customers
> can make VoIP calls, and depending on the destination, they get billed.
> We would like to be able to cut people off if they run out of credit, so we
> have decided to use b2bua.
>  
> >From what I've been reading about this (b2bua working with ser), it would
> seem that it works.
> However, I'm having a few problems, and was kinda hoping someone would be
> good enough to spare some time to answer my questions.
>  
> Currently, what we have is this (in a nutshell):
> Softphone <-----> Ser Server (+ developed Plugin) <-----> b2bua <--------->
> SIP Gateway.
>  
> With the flow of call being as follows:
> Softphone initiates the call, and passes an INVITE message to the Ser
> The Ser does his biz on the message (the config file is available if
> required), and once all goes well, forwards the message to the b2bua
> b2bua does his biz again on the INVITE, and forwards the message to the Sip
> Gateway.
> Sip Gateway connects the call, and call proceeds until someone disconnects.
> Call is billed, if it is a PSTN call.
>  
> All seems simple so far. However, my main problems are as follows:
> 1) Sometimes the messages (INVITE, ACK, BYE) seem to get caught in a vicious
> loop, and won't break out of it, even though the max forward headers is set
> to 10. I assume this is a bad config file error, and results in this loop.
> However, I've changed the file so amny times at this point, I'm not exactly
> sure where the loop is beginning.
>  
> 2) Sometime when I make a call, the tmie it takes to connect results in the
> call being disconnected before it connects (or just after). As a result, the
> destination customer wouldn't humanly have enough time to get to the phone
> and answer it (unless they had the phone surgically attached to them). I
> feel that there is a bottleneck/delay somewhere (perhaps related to question
> 1), and as a result the time to connect is way too long.
> Is it a case of I have too many components, and there is a delay, or
> something similar.
>  
> These problems are bad enough when I'm performing single user testing, but
> when we take on board 20/50/100/500 customers, it's going to become a rather
> large head-ache :-)
>  
> Any help would be most appreciated.
> Regards,
> Derek

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