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No DLR in Sent Log
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January 20, 2022
4:15 pm

Thank you. I changed the format from "hexadecimal" to "alphanumeric" and it works now. Thanks!

January 20, 2022
2:22 pm
Henk Helmantel
Forum Posts: 1502
Member Since:
May 28, 2013
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Hello Fluky,

The SMPP Gateway in Diafaan SMS Server does not use the phone number to match the delivery report to the original message, it uses only the message ID.

The SMPP standard is somewhat ambiguous in the format of the message ID and different SMPP servers use different representations in the delivery reports. You can change the way that the SMPP Gateway handles the message ID with the 'MessageIdFormat' property in the advanced settings of the SMPP Gateway. With the SMPP server you use, you should probably use the 'Numeric' or 'Alphanumeric' setting of the message ID format.

Regards, Henk

January 19, 2022
11:32 pm

Hi, one of our SMPP gateway is not showing the "Delivered" status for sent messages. When I enable "logging to file" I see "stat:DELIVRD err:000 text:" and correct "receipt:id:" (same as the messageid from response on send request).

The difference between this gateway log and the others is in the dest and source address. For this gateway, I see a "+" in the message request, but the delivery is without "+".

How can I change the source/dest mapping? The integration manual from the provider says "Use Dest TON:1 and Dest NPI:1" and this is set correctly.


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