Hello Kannel Users,

I need some help tracking down an issue that was reported to us by the SMSC
we are connected to. They sent the following notification:

We are seeing an increase in “Windows on receiver links full (message queue
full)” on the RX binds to you, which is translating to x14 being sent back
from you to the SMSC. These are primarily notifications (DAN) but a small
percentage of these do appear to be actual messages (DAM).


I am not really sure how to go about troubleshooting this. We did a
tremendous amount of SMS Volume the day they reported these errors. Our
kannel instance sent over 3.1 million MTs this day. I am guessing the issue
was caused by the volume of delivery receipts generated by these MTs.

We only have 2 incoming binds connected to the SMSC. Could that be the
cause of the problem?  Or is the problem related to latency in our
application when processing the MO or DLR url?

Here is the an excerpt of our kannel configuration. Is the error that the
SMSC is reporting due to kannel itself or because our mo.php script is
taking too long to return? Would additional incoming binds address the
issue?

group = core
admin-port = 13000
admin-password = xxxxxx
status-password = xxxxxx
admin-deny-ip = "*.*.*.*"
admin-allow-ip = "192.168.*.*"
smsbox-port = 13001
#wapbox-port = 13002
box-deny-ip = "*.*.*.*"
box-allow-ip = "192.168.*.*"
wdp-interface-name = "*"
log-file = "/var/log/kannel/bearerbox.log"
log-level = 0
dlr-storage = mysql
store-type = file
store-location = /var/log/kannel/msg-store.db
sms-incoming-queue-limit = 0

group = sms-service
keyword-regex = .*
catch-all = yes
max-messages = 0
get-url = "
http://192.168.11.100/sms/mo.php?id=%I&sc=%P&phone=%p&text=%a&meta=%D&dt=%t&unixts=%T
"

Thank you for your help!

Jeff

-- 

Jeff Thorn
Principal Software Architect
Thorn Technologies, LLC
www.thorntech.com
@thorntech <http://twitter.com/thorntech> |
LinkedIn<http://www.linkedin.com/in/jeffthorn> |
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