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February 20, 2023
2:38 pm
Henk Helmantel
Forum Posts: 1499
Member Since:
May 28, 2013
sp_UserOfflineSmall Offline

Hello Franz,

If the message has status code 200 it means that the mobile network has accepted the message. The most likely reason why the message is not received on the mobile phone is that the mobile network does not send the message forward or that the number format is not recognized so that the network interprets the number wrong and sends the message to the wrong phone.

If you send me the communication log of the GSM Modem Gateway that includes the call to the Czech number, I can have a look to see if anything is wrong. You can send the log file to email address, please include the serial number of your license in the email.

Regards, Henk

February 20, 2023
9:33 am

Hello everyone,

We are using Diaafan SMS Server with a Cinterion RS232 gsm modem for many years without issues.

Now we have to send SMS to CZ (+420). The SIM for the SMS Server is from A1 (+43). Altough in the Send Log the Status is "200, Success: Message accepted by GSM modem gateway" the SMS never go through. I have the confirmation from A1 that the SIM is enabled for SMS sending to the whole of Europe.

How can I further check the issue?

Best wishes,


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