Yes, this is most likely a character encoding issue between Diafaan SMS Server and the SMPP service. By default, messages with emoji are encoded with the Unicode UCS2 encoding by Diafaan SMS Server (SMPP data coding value 0x80). Sometimes the SMPP server uses another data coding value for Unicode or does not support extended (emoji) Unicode characters at all. In those cases specific characters may be replaced by the SMPP service with question marks or exclamation marks.
If you send me the communication log of the SMPP Gateway and the configuration file of Diafaan SMS Server (menu options 'File-Export-Configuration') I will have a look to see if the settings are correct. You can send these two files to 'email@example.com'.
hi henk. I need to send a message via SMS (8bit) if I send a message via the web connector everything works well and the phone receives a message from the emoji. But when I send the same message via SMS, I get exclamation marks instead of emoji. how to fix it? can there be a problem with the coding of the smpp? all I could have tried. thanks
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