[Serusers] Question about PSTN Gateways and SER.

[Arne Scheffer]

Hello all,

there are 2 ways you can go with this:

a) 
using exec_dset you can use an external script which talks to a database are just does some basic logic.
You can change the script without having to restart SER

b)
You send all calls to a B2BUA which will do all the advanced features like:
- LCR
- max call duration form prepaid
- fail-over
- messages depending on user credit

c)
You can add a failure path to your SER config which is taken if the primary path fails.

There may be other options but I have gone for b) as it offers a lot more fuctions.

regards,
Arne.

-----Original Message-----
From: serusers-bounces at iptel.org [mailto:serusers-bounces at lists.iptel.org]On
Behalf Of Ricardo Martinez
Sent: woensdag 22 september 2004 15:53
To: 'serusers at lists.iptel.org'
Subject: [Serusers] Question about PSTN Gateways and SER.


Hello List.
	I'am starting to use SER as my SIP platform and i'am  still in a
testing phase.   I would like to ask you a question.  If we have several
PSTN Gateways connected to SER, we want to be able to select one of them
depending on the destination number dialed, so far this is no a problem, we
use a combination of "if" with the "URI" and a rewritehostport() and works
ok.  But now, the gateway termination is needed to be dynamic, so if we have
any problems with a destination in one of our gateway we want to route to
another gateway, maybe changing the "rewritehostport("IPGW2")" to another
gateway.  The problem with this if we need to restart the SER service every
time we make a change in the ser.cfg file.  So here is my question.  Is
there another way to do this?, maybe a Failover PSTN Gateway Selection, i
heard about a B2BUA server can do this task.
I rellay hope that someone could give me a clue about this matter.

Thanks in advance
Best Regards

Ricardo Martinez.

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