The info for Picture messaging on Orange's website states:
"You can take a photo, add text or a voice clip, and send it directly to
anyone with a Photo Messaging phone on a UK network. "
If this applies to messages sent while roaming too, how much text can be
added to a photo message? You could fit an awful lot in 50KB (I assume
that's what they mean).
I seem to remember it's limited to 1000 characters.
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Regards
Jon