[Serusers] Re: Prepaid approach

[Daniel Liu]

I think it is better to use a B2BUA for prepaid.

Asterisk can do this job. But I don't know the stability.

regards,
Daniel

Ashutosh kumar write: 

> Hi,
> 	OK, but how do you monitor the call while it is in progress? 
> 
> To disconnect the call, I am planning to use the session timers set in the
> header prior to intitiating the call, which will offload the task of
> montoring the call by SER, and disconnection-on-zero-credit will be handled
> by our pstn gw. Am I wrong somewhere?
> 
> 
> Regards,
> Ashutosh
> 
> -----Original Message-----
> From: Ryan Pagquil [mailto:rpagquil at philonline.com] 
> Sent: Friday, October 28, 2005 3:33 PM
> To: Ashutosh kumar
> Cc: serusers at iptel.org
> Subject: Re: [Serusers] Prepaid approach
> 
> Hi,
> We are a bit similar in implementing prepaid service. Our users are 
> normally can call other users in our domain, and they are initially not 
> member of the pstn group in the ser.grp table. once they bought credits 
> they will be put in the "pstn" group and can call pstn destinations. But 
> when they run out of credit, we sends a bye message using sipsak on both 
> PSTN gateway and the user's IP phone.
> 
> Regards,
> Ryan
> 
> Ashutosh kumar wrote:
> 
>> Hi,
>>
>> While trying to implement prepaid solution using SER, I decided to go 
>> be a intuitive approach which is as follows.
>>
>> -When the user registers, he is placed in a 搗oip?groups table of ser 
>> (or radius server database), i.e he can make only pc-to-pc calls.
>>
>> - Later , or otherwise, when the user registers, he is shifted to a 
>> 損stn?groups table of ser , i.e noew he can make only pc-to-pstn calls.
>>
>> -Henceforth, whenever the user logins and tries to make pstn call, the 
>> call is approved only if group_radius_is_user_in(username) succeds, 
>> else the call rejected by SER.
>>
>> -To restrict the user from making pstn calls when his credits are zero 
>> (or beyond a threshold) , a dedicated cron job is scripted to move 
>> users from 損stn?group to 搗oip?when their
>>
>> account_cerdit=0.
>>
>> Am I right in using this approach, or are there any foreseeable 
>> problems which I might be overlooking.
>>
>> Thanks.
>>
>> Regards,
>>
>> Ashutosh Kumar
>>
>>------------------------------------------------------------------------
>>
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>>
> 
> 
> -- 
> Ryan Pagquil
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> 
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