You need to initiate the call and/or text. I think texting sucks for a budding relationship so if I were you keep it to stuff like "okay for me to call" and just call.
Or just call lol
I think text should be used like 411. Information only. Like: I am on my way, just left, running late sorry, tune to 100.9 great song, stuff like that
Anyway good luck to you