accidentally dial

[twsarch]

I have some

 

[steve4294]

try "Call Confirm" or "Tiny Call Confirm"...you can find them in the android market

 

[shauny13]

+1 for call confirm

 

[tobyjuggler]

+1 for call confirm

And another from me.

 

[RyanB]

OP: you could also create a folder to contain those direct dial shortcuts, and then place the folder elsewhere on your homescreen