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Hi Michael,

If you use a GSM modem you can use both international number format and national number format as long as your GSM provider recognizes the number. Some GSM providers only accept numbers in international format but most support both national and international format.

When you use Clickatell as the SMS service you can set the local number recognition to your own country on the Clickatell website.

Diafaan SMS Server has an option to translate a national number to international number format (or any other format). See Use number templates in the manual for a description on how to use this option.

Best regards,
Henk

Hi Nick,

I am not sure if this solves your problem, but maybe it will give at least a better error message.

The HuaWei E1550 creates two virtual serial ports, one of this ports is used to send status messages back to the software and that sometimes interferes with the correct functioning of Diafaan SMS Server. Can you select the other HuaWei serial port in Diafaan SMS Server? If it still does not work I like to see the Communication Log file again.

Regards,

Henk

Maybe the reason is that the short number has three digits

Hi Nick,

The international number format (e.g. +40xxxxxxxx) is the preferred format for phone numbers in Diafaan SMS Server. However it is also possible to send messages to national numbers or shortcodes. Unfortunately not all GSM networks recognize the national number format as a valid SMS number, especially with shortcodes but sometimes also the national number format will only work when you put a + in front.

Diafaan SMS Server sends the SMS messages in the following way:

• If the number starts with a + the SMS (number) is marked as international.
• If the number does not start with a "+" the SMS (number) is marked as national.

If you want to send a message to shortcode 1234 you can try both +1234 and 1234 and see if one of them works with your SIM card.

Regards,

Henk