This is what I needed to do to make this work. Thanks for your help that guided me in the right direction.

cMessage = "Test réussi!"
cConv1 = STRCONV( cMessage, 1, 1036)
cConv2 = STRCONV( cConv1, 9, 1036)

So I had to convert my message to UTF-8


>>I am using TwilioX and if it wasn't for the following problem everything would be perfect.
>>
>>I can't send messages that contains characters with accents.
>>
>>Here are some samples of characters with accent. "àÀéÉ"
>>
>>So far I contacted Twilio about that problem and I don't have a solution yet. So I'm wondering, could there be something within TwilioX that make it impossible to send those characters with accents?
>
>If you're refrring to
>
>Could this be a limitation of the character set being used in messaging (i.e. accented characters may not exist, or have different code values than what you're expecting) ?
>Perhaps it may be possible if you could specify the character set (e.g.. something like specifying codepage) ? This of course would assume that you're selecting character set that receiver's device is able to display.
>Of course, if we're dealing with different character sets -- another curveball that could be thrown would be faulty translation table (I do remember running into faulty ASCII/EBDDIC translation tables -- annoyingly often-mangled characters were caret, curly-braces and backslash -- which meant C programs would get mangled