No "level one" refers to the priority of the message, for example text and emails are level one messages. You can set pin messages to be level one as well
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This is just my suggestion, if you set pin messages to level one you can set a ringtone for that and then set a ring tone for sms(text) but I think your pin and email will then have the same tone. Maybe someone else has a better suggestion. Hope this help a little
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