Tasker: Auto-switch to 3G/H+ when sending SMS/MMS/calls

[gabe-ulrickson]

I am using my Verizon S4 on AT&T until the start of next month and was wanting to know if there was any way to maybe set up a Tasker function so that network mode will switch to 3G/H+ when a call is made or a text/MMS is sent...