On 30.11.2005, at 15:55, Hillel wrote:
Hi,
Thanks for your response.
Some SMSC providers indicate you have run out of credits by giving
back in
the bearerbox.log:
2005-11-28 23:19:10 [27849] [6] ERROR: SMPP[smsc1]: SMSC returned
error
code 0x00000058 (Throttling error) in response to submit_sm.
2005-11-28 23:19:10 [27849] [6] DEBUG: command_status: 88 =
0x00000058
Their reasoning is there is no other parameter in the SMPP spec to
indicate
you have run out of credits. When this happens the SMS is not sent
and I
wondered if there is any way to get back the command_status when
sending an
SMS.
there are other messages the SMSC can send back. Throttling is
definitively the wrong response. A real SMSC would not do that (most
real SMSC's dont have credit limits and only work postpaid) And
frankly having a DLR url for that would mean you get this being
called even withouth being out of credit but simply because you send
a lot of data quickly. Talk to your provider and ask him to send you
back some other error message which is more to the spec. I'm sure you
talk to some aggregator software, not a real SMSC.
I just checked what our SMSC does in this case and it does return
ESME_RMSGQFUL if you have a connection bound. If you try to connect,
it returns ESME_RBINDFAIL. The problem with throttling is that its
only a TEMPORARY failure and Kannel MUST step back and wait a second
or two and then continue sending, meaning retrying the SMS over and
over again. Thats the purpose of the throttling message. Its there
for flow control. So it doesn't make any sense to generate any kind
of DLR for it. It would not result in what you are looking for.
Andreas Fink
Fink Consulting GmbH
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