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GSM-modem SendDelayTime possibly ignored when message come from SMPP connector
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December 9, 2015
2:01 pm
Henk Helmantel
Forum Posts: 1502
Member Since:
May 28, 2013
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Hello Alex,

I am not able to replicate this problem with the latest version of Diafaan SMS Server (

It is unlikely that the 'SendDelayTime' property of the GSM Modem Gateway is influenced by the SMPP Connector or any other module of Diafaan SMS Server. But it is possible that another setting of the GSM Modem Gateway has an effect on the Send Delay Time.

If you send the configuration file of your installation of Diafaan SMS Server to '' I can test if that is the case. The configuration file can be exported with the menu options 'File-Export-Configuration'. Please include the serial number of your license in the email.

Regards, Henk

December 9, 2015
9:54 am

I supply SMS to Diafaan via SMPP connector and pass them to GSM-modems
But seems Modem ignore SendDelayTime (and possible other related) settings when sending this way
when analyzing Communication log i still see delay between each AT+CMGS about 2-3 seconds, but not 10 like i put to SendDelayTime
please advice what possible to do about it?

shortly speaking question is - how to make SMS originated from SMPP Connector leave from GSM-modem not faster then 10 seconds

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