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Thank you for the log.

The message you are sending contains two different apostrophe characters, the ' (ASCII character 0x27) and the ’ (right single quotation mark, ’ or Unicode character 0x2019). The first apostrophe is part of the GSM default alphabet and a text that contains this character will be sent as text message. The second apostrophe is not part of the GSM default alphabet, a text that contains this character will be sent as a Unicode message by Diafaan SMS Server. You can use the message analyzer on our website to see if a message will be sent as text or unicode, and in how much message parts.

The GSM Modem Gateway does not have an option to substitute specific characters by a similar character, but in the basic- and full editions of Diafaan SMS Server it is possible to use the HTTP callback functionality in combination with a customized C# script to change the message before it enters Diafaan SMS Server. You can use this to substitute the right single quotation mark characters with the ASCII equivalent.

Regards, Henk

Hello Stefano,

I have not been able to replicate this issue. If I test it with a message containing the ' (0x27) character, the message is sent as a normal text message, not as a Unicode message. Also, the 'message-type=sms.text' parameter in the HTTP API call instructs the GSM Modem Gateway to use the GSM default alfabet encoding and convert all Unicode characters to question marks, so the message should not be sent as Unicode anyway.

I would like to see the full send log item for this message, you can right-click on the item in the send log page of the GSM Modem Gateway and select 'Export to file' to save the information to a file and send the file to email address dms@diafaan.com.

Regards, Henk