Without detailed smsc.log you can't really say what was wrong. It might be your backend software not handling properly this large chunk of requests (e.g. untuned apache2 might be failing to serve DLR requests from kannel) or your SMSC operator giving you throttling errors.
Generally speaking 22k of MT messages in the range of 10 minutes means you need to send ~37 MT per second which is not that much actually. 2014-02-21 1:17 GMT+04:00 Germán Bobr - Redmond Software < german.b...@redmondsoftware.com>: > Hi, > > > > I have a kannel installation under some traffic, sending and receiving SMS > through an SMPP connection. > > Yesterday we had a campaign running between 05:15 PM and 05:25 PM wich > generated a big chunk of 22k SMS, added to the regular daily traffic. > > We found that some of the messages enqueued between 05:15 PM and 05:25 PM > were highly delayed, in some cases not being delivered until 10 PM. Whereas > messages generated after 5:25 PM were sent without any delay. > > Our outgoing messages are not using priorities, all our traffic is > generated with priority=0. > > I see the messages on smsbox.log at the original time (5:15-5:25) but in > core.log, I see some of them being sent several hours later. > > > > Can you help me figure out what's happening? > > Thank you very much, > > > *Germán Bobr*german.b...@redmondsoftware.com > > [image: Description: redmond] > > >
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