I don't use OE so I'm not sure where all the settings are but somewhere on a 'Connections' tab there should be an option to 'always dial my default connection'. There may also be an option to 'always connect using my phone line'.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
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