Enable International SMS
Enabling this feature will disable automatic phone number formatting. If you live in USA/Canada you may prefer to leave this feature disabled.
Step 1: You must be logged in as an "Admin" user.
Step 2: Click on the "Settings" tab of your Admin page.
Step 3: Check the box next to "Enable International SMS Support", and click "Save Settings".
Step 4: Enter Household or Guardian phone numbers including country dialing code (with no spaces). For Example:
USA country code +1 = 16025550100 or
Netherlands code +31 = 31105550100